Extragalactic astronomy is the branch of astronomy concerned with objects outside the Milky Way galaxy. In other words, it is the study of all astronomical...

Extragalactic cosmic rays are very-high-energy particles that flow into the Solar System from beyond the Milky Way galaxy. While at low energies, the...

An extragalactic planet, also known as an extragalactic exoplanet or an extroplanet, is a star-bound planet or rogue planet located outside of the Milky...

corresponding to a redshift of 14.32. Part of the JWST Advanced Deep Extragalactic Survey (JADES), this discovery highlights a galaxy significantly more...

A nebula (Latin for 'cloud, fog'; pl. nebulae or nebulas) is a distinct luminescent part of interstellar medium, which can consist of ionized, neutral...

The cosmic distance ladder (also known as the extragalactic distance scale) is the succession of methods by which astronomers determine the distances...

Near-UV image of the relativistic jet in 3C 66B Galaxy NGC 3862, an extragalactic jet of material moving at nearly the speed of light can be seen at the...

The Cliff (RUBIES-UDS-154183) is a compact extragalactic object observed as a little red dot with an exceptional (and cliff-like) Balmer jump. It was...

The diffuse extragalactic background radiation (DEBRA) refers to the photon field of extragalactic origin that fills our Universe. It contains photons...

The diffuse extragalactic background light (EBL) is all the accumulated radiation in the universe due to star formation processes, plus a contribution...

The NASA/IPAC Extragalactic Database (NED) is an online astronomical database for astronomers that collates and cross-correlates astronomical information...

the "VizieR Service". Galaxy types are identified using the NASA/IPAC Extragalactic Database. The other data in these tables are from the SIMBAD Astronomical...

Horizon Telescope, showing the photon ring surrounding its shadow. Extragalactic astronomy interacting spiral galaxies UGC 9618 (also known as VV 340...

The Lyon-Meudon Extragalactic Database (LEDA) was a database of galaxies, created in 1983 at the Lyon Observatory. Each galaxy had a number assigned to...

ISBN 0-87279-667-1. "NASA/IPAC Extragalactic Database". Results for NGC 6365. Retrieved 2006-07-12. "NASA/IPAC Extragalactic Database". Results for IC 167...

themselves, similar to our own. Kant referred to both the Milky Way and the "extragalactic nebulae" as "island universes", a term still current up to the 1930s...

the "VizieR Service". Galaxy types are identified using the NASA/IPAC Extragalactic Database. The other data of these tables are from the SIMBAD Astronomical...

1089 is the integer after 1088 and before 1090. It is a square number (33 squared), a nonagonal number, a 32-gonal number, a 364-gonal number, and a centered...

they have been detected more indirectly. Rogue star Rogue planet Rogue extragalactic planets Rogue comet Tidally detached exomoon Stellar black hole Primordial...

regular way: FRB 180916 seems to pulse every 16.35 days. Most FRBs are extragalactic, but the first Milky Way FRB was detected by the CHIME radio telescope...

astronomer. He played a crucial role in establishing the fields of extragalactic astronomy and observational cosmology. Hubble proved that many objects...

originally[when?] developed to be used in SIMBAD and the NASA/IPAC Extragalactic Database (NED), but it became a de facto standard and is now used more...

This is a list of star-forming regions in the Milky Way Galaxy and the Local Group. Star formation occurs in molecular clouds, which become unstable to...

of the Milky Way galaxy and all its contents. This is in contrast to extragalactic astronomy, which is the study of everything outside our galaxy, including...

intended to "show no global rotation with respect to a set of distant extragalactic objects". The coordinates are basically the declination and right ascension...

2025-12-14 "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2025-12-14. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech...

Milky Way (the galactic plane) obstruct the view of around 20% of the extragalactic sky at visible wavelengths. As a result, optical galaxy catalogues are...

was known for a wide range of contributions to solar, galactic and extragalactic astrophysics, including the solar neutrino problem, the development...

the "VizieR Service". Galaxy types are identified using the NASA/IPAC Extragalactic Database. The other data of these tables are from the SIMBAD Astronomical...

Binney is known principally for his work in theoretical galactic and extragalactic astrophysics, though he has made a number of contributions to areas...

the "VizieR Service". Galaxy types are identified using the NASA/IPAC Extragalactic Database. The other data of these tables are from the SIMBAD Astronomical...

Alpha Cygni variables are variable stars which exhibit non-radial pulsations, meaning that some portions of the stellar surface are contracting at the...

members of the Large Magellanic Cloud are identified using the NASA/IPAC Extragalactic Database. The other data of these tables are from Wolfgang Steinicke's...

BICEP (Background Imaging of Cosmic Extragalactic Polarization) and the Keck Array are a series of cosmic microwave background (CMB) experiments, deployed...

briefly believed to be home to the first discovered planet purportedly of extragalactic origin, orbiting the star HIP 13044. However, further analysis of radial...

Several extragalactic recurrent novae have been observed in the Andromeda Galaxy (M31) and the Large Magellanic Cloud. One of these extragalactic novae...

September 2017, data from 12 years of observations from PAO supported an extragalactic source (outside of Earth's galaxy) for the origin of extremely high...

GRB 250702BDE was a series of three distinct ultra-long extragalactic gamma-ray bursts (GRB) discovered by the Fermi Gamma-ray Space Telescope on July...

to be about 1.5×1053 kg. In November 2018, astronomers reported that extragalactic background light (EBL) amounted to 4×1084 photons. As the universe's...

arXiv:astro-ph/0605321. Dai, Xinyu; Guerras, Eduardo (2018). "Probing Planets in Extragalactic Galaxies Using Quasar Microlensing". The Astrophysical Journal. 853...

The BOOMERanG experiment (balloon observations of millimetric extragalactic radiation and geophysics) was an experiment that flew a telescope on a (high-altitude)...

Recessional velocity is the rate at which an extragalactic astronomical object recedes (becomes more distant) from an observer as a result of the expansion...

the Institute for Computational Cosmology (ICC) and the Centre for Extragalactic Astronomy (CEA) which together along with the CfAI form the Durham Astronomy...

Group, this value is likely closer to its true distance. The NASA/IPAC Extragalactic Database calculates galaxy diameters using the mean of independent measurements...

"Reference Lookup | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2025-11-15. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech...

University of California Santa Barbara. She is known for her work in extragalactic astrophysics; she works on the formation and evolution of massive galaxies...

Christopher J. Conselice is an astrophysicist who is Professor of Extragalactic Astronomy at the University of Manchester. Conselice grew up in Neptune...

the "VizieR Service". Galaxy types are identified using the NASA/IPAC Extragalactic Database. The other data of these tables are from the SIMBAD Astronomical...

cross-identifications for 73,197 galaxies. It is based on the Lyon-Meudon Extragalactic Database (LEDA), which was originally started in 1983. 40,932 coordinates...

New General Catalog and Index Catalog. In some cases, the NASA/IPAC Extragalactic Database was used to confirm cross-identifications of galaxies. The...

members of the Small Magellanic Cloud are identified using the NASA/IPAC Extragalactic Database. The other data of these tables are from the SIMBAD Astronomical...

constellation Boötes. 3C 303 is also a radio galaxy It also contains an extragalactic radio source. A clear defined jet is also seen, showing a polarization...

the "VizieR Service". Galaxy types are identified using the NASA/IPAC Extragalactic Database. Other data are from the SIMBAD Astronomical Database unless...

doi:10.1017/S1743921310009798. "By Name | NASA/IPAC Extragalactic Database". NASA/IPAC Extragalactic Database. Retrieved 2018-12-15. "VSX : Detail for alf...

"NASA/IPAC Extragalactic Database (NED)". ned.ipac.caltech.edu. NASA. 2020. Retrieved 23 May 2023. NED-D: A Master List of Redshift-Independent Extragalactic Distances...

Clusters in Extragalactic Systems (SAGES) collaboration, using Hubble images and spectroscopy from the W. M. Keck Observatory to study extragalactic globular...

The Hubble Space Telescope and the Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey. This is a list of galaxies that are well known by something...

using NIRCam as part of the James Webb Space Telescope Advanced Deep Extragalactic Survey (JADES) program. It has a redshift of about 14.18, making it...

Media related to IC 4592 at Wikimedia Commons IC 4592 in NASA/IPAC Extragalactic Database IC 4592 in SIMBAD Database IC 4592 at seds.org NASA Astronomy...

"NASA/IPAC Extragalactic Database Results for PGC 036733". NASA/IPAC Extragalactic Database. Retrieved July 10, 2026. "NASA/IPAC Extragalactic Database...

outermost measurement. In parallel, the use of interferometric arrays for extragalactic HI spectroscopy was being developed. Rogstad & Shostak (1972) published...

background (CMB) polarization experiment at the South Pole. QUEST (Q and U Extragalactic Sub-mm Telescope) was the original name attributed to the bolometer...

3117". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 1 August 2026. "Distance Results for NGC 3117". NASA/IPAC Extragalactic Database. NASA...

maser in the Milky Way, and extragalactic maser encompasses all masers found outside the Milky Way. Most known extragalactic masers are megamasers, and...

"NASA/IPAC Extragalactic Database". Results for HCG 79. Retrieved 2006-10-29. "NASA/IPAC Extragalactic Database Results for HCG 79". NASA/IPAC Extragalactic Database...

Fundamental Catalog (FK5) is used to standardize the positions of 23 extragalactic radio sources used to define the International Celestial Reference System...

closest star to the Sun. At the other extreme, there is evidence for extragalactic planets – exoplanets located in other galaxies. The discovery of exoplanets...

and SDSS surveys (and from various observations compiled by the NASA Extragalactic Database), or photo-metrically deduced from the K band (2.2 μm). Blue...

designated as Arp 316. "NASA/IPAC Extragalactic Database". Results for HCG 44. Retrieved 2018-03-16. "NASA/IPAC Extragalactic Database". Results for various...

Density wave theory or the Lin–Shu density wave theory is a theory proposed by C.C. Lin and Frank Shu in the mid-1960s to explain the spiral arm structure...

Rubin Observatory imaged the area. List of Messier objects "NASA/IPAC Extragalactic Database", Results for NGC 4472, retrieved September 26, 2006. "Messier...

GUSTO (Galactic / Extragalactic ULDB Spectroscopic Terahertz Observatory) is a high-altitude balloon mission that carries an infrared telescope to measure...

Cepheids are important cosmic benchmarks for scaling galactic and extragalactic distances; a strong direct relationship exists between a Cepheid variable's...

Retrieved 6 November 2008. Loeb, Abraham (2002). "The Long-Term Future of Extragalactic Astronomy". Physical Review D. 65 (4) 047301. arXiv:astro-ph/0107568...

Release. Retrieved 13 December 2012. Huchra, John. "Extragalactic Redshifts". NASA/IPAC Extragalactic Database. Harvard-Smithsonian Center for Astrophysics...

astrophysicist, known for his contributions to observational cosmology and extragalactic astrophysics. He has been a Professor at the Department of Physics of...

The UKIRT Infrared Deep Sky Survey or UKIDSS is an astronomical survey conducted using the WFCAM wide field camera on the United Kingdom Infrared Telescope...

Telescope 2004–2005 70′x10′ over 500 Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS) Hubble Space Telescope 2011 ESO's VLT and the...

allows for near-instantaneous teleportation across both interstellar and extragalactic distances. Some early "portal" appearances in science fiction include...

"Results for NGC 6050". NASA/IPAC Extragalactic Database. Retrieved March 13, 2026. "Results for IC 1179". NASA/IPAC Extragalactic Database. Retrieved March 13...

6027b NGC 6027c NGC 6027e List of NGC objects (6001–7000) "NASA/IPAC Extragalactic Database". Results for NGC 6027d. Retrieved 2007-04-17. "Hubble Watches...

Adolf Hitler: The Ultimate Avatar. Serrano claimed that the Aryans were extragalactic beings who founded Hyperborea and lived the heroic life of Bodhisattvas...

The Low-Frequency Array (LOFAR) is a large radio telescope, with an antenna network located mainly in the Netherlands, and spreading across 7 other European...

of exactly 1 predicted by Einstein, and at the time the most precise extragalactic test of general relativity. The given distance in the overview of NED...

Reuven (July 1992), "The origin of intergalactic magnetic fields due to extragalactic jets", Monthly Notices of the Royal Astronomical Society, 257 (1): 135–151...

Award of the German Astronomical Society in recognition of his work on extragalactic globular cluster systems. "AURA selects Kissler-Patig as new Gemini...

system containing a potential extragalactic planet. M33 X-7, another extragalactic high-mass X-ray binary. Extragalactic planet Circumbinary planet Whirlpool...

velocity component of the Milky Way's thick disk, rather than having an extragalactic origin. List of stellar streams Necib, Lina; Ostdiek, Bryan; Lisanti...

NGC 6027a NGC 6027b NGC 6027d NGC 6027e Seyfert's Sextet "NASA/IPAC Extragalactic Database". Results for NGC 6027c. Retrieved 2007-04-17. "Hubble Watches...

The Great Observatories Origins Deep Survey, or GOODS, is an astronomical survey combining deep observations from three of NASA's Great Observatories:...

"NASA/IPAC Extragalactic Database Results for NGC 6027". NASA/IPAC Extragalactic Database. Retrieved August 10, 2026. "NASA/IPAC Extragalactic Database...

4475". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 27 August 2025. "Distance Results for NGC 4475". NASA/IPAC Extragalactic Database. NASA...

the Tarantula Nebula of the Large Magellanic Cloud. It is the first extragalactic gamma-ray pulsar discovered. A rotation period of 50.569 milliseconds...

Sextet Copeland Septet "NASA/IPAC Extragalactic Database Results for NGC 92 / Robert's Quartet". NASA/IPAC Extragalactic Database. Retrieved July 27, 2026...

Santa Cruz. SAGES (Study of the Astrophysics of Globular Clusters in Extragalactic Systems) is an international network of researchers investigating the...

distinguishing extragalactic from galactic nebulae, the former being independent star systems. M87 was classified as a type of elliptical extragalactic nebula...

Mitchell C.; Blandford, Roger D.; Rees, Martin J. (1984), "Theory of extragalactic radio sources", Rev. Mod. Phys., 56 (2): 255–351, Bibcode:1984RvMP....

David Merritt, A Panchromatic View of Galaxies by Alessandro Boselli, Extragalactic Astronomy and Cosmology : An Introduction by Peter Schneider. and Introduction...

NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 22 December 2024. "Distance Results for NGC 4129". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

closest such galaxy to Earth. "Results for object NGC 3034". NASA/IPAC Extragalactic Database. Retrieved 27 October 2006. Karachentsev, I. D.; Kashibadze...

of NGC objects (7001–7840) "Results for object NGC 7171". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 29 July 2024. "NGC 7171". SIMBAD...

Galaxies". NASA. Retrieved 8 January 2014. "NASA/IPAC Extragalactic Database". NASA/IPAC Extragalactic Database (NED). Retrieved March 15, 2012. "The VizieR...

published. The publication today specializes in articles on solar physics, extragalactic astronomy, cosmology, geophysics, and instrumentation for these fields...

Observational Sidewalk Space telescope Celestial subject Galactic / Extragalactic Local system Solar EM methods Radio Submillimetre Infrared (Far-infrared)...

Bruce Slee and Gordon Stanley localized NGC 5128 as one of the first extragalactic radio sources. Five years later, Walter Baade and Rudolph Minkowski...

(Ph.D. 1992) Spouse Anne Kugler Children 2 Scientific career Fields extragalactic astronomy MOND dark matter Institutions University of Maryland Case...

object IC 1011, NASA/IPAC Extragalactic Database IC 1011 seds.org IC 1011 seds.org seds.org IC 1011 Vizier IC 1011 NASA Extragalactic Database NGC/IC Portals:...

of NGC objects (7001–7840) "Results for object NGC 7343". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 7 December 2024. "Your NED Search...

données astronomiques de Strasbourg. Retrieved 3 June 2019. "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 3 June 2019. Seligman, Courtney...

Press. ISBN 978-0-933346-51-2. "Results for Messier 081". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 6 November 2022. "M 81". SIMBAD...

Données astronomiques de Strasbourg. Retrieved 2024-05-22. "NASA/IPAC Extragalactic Database (NED) results for object NGC 4814". NASA/IPAC. Retrieved 2024-05-22...

1885 +5.85 2,500,000 Ipec Andromeda Galaxy First observation of an extragalactic supernova SN 1895B Centaurus 12 December 1895 +8.0 10,900,000 Ia NGC...

Rijksuniversiteit Groningen. Retrieved December 30, 2016 – via NASA/IPAC Extragalactic Database. For an extensive discussion of the data and its fit to MOND...

baryonic matter in the universe. See also cosmic neutrino background and extragalactic background light. The Sunyaev–Zel'dovich effect shows the phenomena...

Kristine Spekkens Born Hamilton, Ontario, Canada Scientific career Fields Extragalactic Astrophysics Institutions Queen's University Thesis Testing Cold Dark...

Webb Telescope targeted LRDs in the 'Red Unknowns: Bright Infrared Extragalactic Survey', observing rapid gas orbits of roughly 900 km/s—a strong indicator...

recognized. Carollo's contribution to astronomy is in the fields of extragalactic astronomy and specifically galaxy formation and evolution.[citation...

sources were identified that supported the likelihood of a genuine extragalactic pulsing population. These pulses are known as fast radio bursts (FRBs)...

or, more formally, an S0 galaxy. SDSS image of NGC 7600 "NASA/IPAC Extragalactic Database". Results for NGC 7600. Retrieved January 7, 2017. Nemiroff...

Still-higher-energy neutrinos, resulting from the interactions of extragalactic cosmic rays, could be observed with the Pierre Auger Observatory or...

Institution, concentrating on astrophysical studies including galactic and extragalactic astronomy, cosmology, solar, earth and planetary sciences, theory and...

Type IV civilization would be able to draw the energy it needs from extragalactic radiation. By studying the evolution of technologies that have changed...

In astronomy, dropout is a radiation source whose radiation intensity falls off sharply above or below a specific wavelength. The source will be easily...

near-equatorial orbit. This spacecraft contained four instruments: the Extragalactic Experiment, the Galactic Monitor Experiment, the Scorpio Monitor Experiment...

Retrieved August 11, 2026. "NASA/IPAC Extragalactic Database Results for NGC 6027e". NASA/IPAC Extragalactic Database. Retrieved August 11, 2026. HubbleSite...

"NASA/IPAC Extragalactic Database". Results for NGC 5334. Retrieved 2007-04-06. "Distance Results for NGC 5334". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

highest photon energy measured in electromagnetic radiation emitted by an extragalactic object, the blazar Markarian 501.[needs update] Since the first observation...

Star and showed that the spectral type was Of/WN. It is listed in the Extragalactic Variable Stars catalogue as M33 V532. Analysis of historical records...

formulae are based. Sandage, A. R. (1958). "Current Problems in the Extragalactic Distance Scale". The Astrophysical Journal. 127 (3): 513–526. Bibcode:1958ApJ...

completing a PhD in astronomy with her dissertation "Investigations of extragalactic hydroxyl". After completing her PhD, Schmelz worked at NASA's Goddard...

v t e Extragalactic stars Andromeda Galaxy 3XMM J004232.1+411314 AE Andromedae AF Andromedae M31-2014-DS1 M31 RV PA-99-N2 Large Magellanic Cloud B90 BAT99-7...

Observational Sidewalk Space telescope Celestial subject Galactic / Extragalactic Local system Solar EM methods Radio Submillimetre Infrared (Far-infrared)...

Optical Phenomena apparent during observations of Extragalactic Spacetime phenomena...

Herschel. [ned.ipac.caltech.edu "Results for NGC 2178"]. NASA/IPAC Extragalactic Database. Retrieved 2025-12-23. {{cite web}}: Check |url= value (help)...

objects or phenomena existing within the Solar System, but not on Earth Extragalactic astronomy, the study of objects outside the Milky Way Galaxy Interstellar...

Observational Sidewalk Space telescope Celestial subject Galactic / Extragalactic Local system Solar EM methods Radio Submillimetre Infrared (Far-infrared)...

In astronomy, the velocity dispersion (σ) is the statistical dispersion of velocities about the mean velocity for a group of astronomical objects, such...

Weidong; Richmond, Michael W. (December 2000). "SN 1997bs in M66: Another Extragalactic η Carinae Analog?". Publications of the Astronomical Society of the...

of NGC objects (7001–7840) "Results for object NGC 7363". NASA/IPAC Extragalactic Database. Retrieved 9 August 2024. Seligman, Courtney. "NGC 7363". Celestial...

National Astronomical Observatory of Japan. His main interests are extragalactic astronomy, especially observational study of active galaxies, and astronomical...

Robert O. Evans, Australian amateur astronomer, discoverer of several extragalactic supernovae MPC · 3032 3033 Holbaek 1984 EJ Holbæk, Denmark, town nearest...

5681". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 18 June 2025. "Distance Results for NGC 5681". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

"Results for NGC 0061A". NASA/IPAC Extragalactic Database. Retrieved 2013-10-20. "Results for NGC 0061B". NASA/IPAC Extragalactic Database. Retrieved 2013-10-20...

Observational Sidewalk Space telescope Celestial subject Galactic / Extragalactic Local system Solar EM methods Radio Submillimetre Infrared (Far-infrared)...

imaged by the James Webb Space Telescope Magellanic Stream "NASA/IPAC Extragalactic Database". Results for Large Magellanic Cloud. Retrieved 29 July 2022...

field of astrophysics and completed her Ph.D. in 2012. She works in extragalactic astronomy and her research focuses on understanding the stability and...

(LIRGs). "Results for object ESO 420- G 013 (ESO 420-G 013)". NASA/IPAC Extragalactic Database. Retrieved 27 July 2026. "SIMBAD query result: ESO 420-G 013"...

of NGC objects (1001–2000) "Results for object NGC 1363". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 18 June 2026. Seligman, Courtney...

Robert W. (February 2008). "Beyond the Galaxy: The Development of Extragalactic Astronomy 1885–1965, Part 1". Journal for the History of Astronomy....

BL Lacertae or BL Lac is a highly variable, extragalactic active galactic nucleus (AGN or active galaxy). It was first discovered by Cuno Hoffmeister...

(number 2). List of NGC objects "Results for object NGC 1582". NASA/IPAC Extragalactic Database. Retrieved 2022-08-16. "WEBDA page for open cluster NGC 1582...

radiation, with the attenuation being greater for blue light than for red. extragalactic astronomy The branch of astronomy that studies objects and phenomena...

birth and evolution of galaxies, astronomical instrumentation, and extragalactic astronomy. From 1993 to 1995 Dressler chaired the Association of Universities...

Observational Sidewalk Space telescope Celestial subject Galactic / Extragalactic Local system Solar EM methods Radio Submillimetre Infrared (Far-infrared)...

nickname. "Results for object WISEA J000939.34+070449.2". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 9 April 2025. "LEDA 1313424"....

University, India. Saikia's research interests are in the fields of extragalactic astronomy, radio astronomy, and education. Along with Vijay Kapahi,...

(June 1, 1974). "The Gravitational Slingshot and the Structure of Extragalactic Radio Sources". The Astrophysical Journal. 190: 253–270. Bibcode:1974ApJ...

member of the Virgo Cluster. List of NGC objects (4001–5000) "NASA/IPAC Extragalactic Database". Results for NGC 4544. Retrieved 2018-01-07. "parsecs to lightyears...

4038". NASA/IPAC Extragalactic Database. Retrieved August 3, 2025. "Detailed Information for Object NGC 4039". NASA/IPAC Extragalactic Database. Retrieved...

v t e Extragalactic stars Andromeda Galaxy 3XMM J004232.1+411314 AE Andromedae AF Andromedae M31-2014-DS1 M31 RV PA-99-N2 Large Magellanic Cloud B90 BAT99-7...

"NASA/IPAC Extragalactic Database". Results for NGC 0145. Retrieved 2010-05-03. "Distance Results for NGC 145". NASA/IPAC Extragalactic Database. Retrieved...

spiral galaxies "Results for object NGC 0468 (NGC 468)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-23....

relative positions of high/low surface brightness regions in the lobes of extragalactic radio sources are correlated with their radio luminosity. Their conclusion...

billion M☉. "NED Search results for QSO B1823+568 (1823+568)". NASA/IPAC Extragalactic Database. Retrieved 2025-05-11. Gabuzda, Denise C.; Cawthorne, Timothy...

doi:10.1086/498708. ISSN 0004-6256. S2CID 18913331. "NGC 105". NASA/IPAC Extragalactic Database. Retrieved 2026-06-24. "NGC 105". SIMBAD. Centre de données...

direction of cosmic rays at energies above 8×1018 eV. This supports that extragalactic sources (i.e. outside of our galaxy) for the origin of these extremely...

that the Sun radiates radio waves and localised for the first time an extragalactic radio source in the constellation Cygnus. He was born in 1909 in Nelson...

données astronomiques de Strasbourg. Retrieved 2015-12-10. "NASA/IPAC Extragalactic Database". Results for UGC 8335. Retrieved 2015-12-10. Nilson, P. (1973)...

NGC objects (3001–4000) "NED results for object ARP 187". NASA/IPAC Extragalactic Database. National Aeronautics and Space Administration / Infrared Processing...

"NASA/IPAC Extragalactic Database". Results for 3C 035. Retrieved 2010-04-22. "NED Classifications for 3C 035". NASA/IPAC EXTRAGALACTIC DATABASE. Retrieved...

position of this object. It is unlikely that CWISE J1249+362 is an extragalactic star, because its motion is confined within the galactic plane, which...

MilkyWay@home is a volunteer computing project in the astrophysics category, running on the Berkeley Open Infrastructure for Network Computing (BOINC)...

v t e Extragalactic stars Andromeda Galaxy 3XMM J004232.1+411314 AE Andromedae AF Andromedae M31-2014-DS1 M31 RV PA-99-N2 Large Magellanic Cloud B90 BAT99-7...

New Astronomy Reviews. 2nd VERITAS Symposium on the Astrophysics of Extragalactic Sources. 48 (5): 345–349. Bibcode:2004NewAR..48..345K. doi:10.1016/j...

"NASA/IPAC Extragalactic Database". Results for NGC 0036. Retrieved 2010-05-04. "Distance Results for NGC 0036". NASA/IPAC Extragalactic Database. Retrieved...

and exoplanets 2006 Govind Swarup Radio astronomy 2008 Max Pettini Extragalactic cosmology 2010 James H. Hough Polarimetry 2012 Mike Irwin Digital optical...

"NASA/IPAC Extragalactic Database". Results for NGC 2541. Retrieved 2006-11-25. "Distance Results for NGC 2541". NASA/IPAC Extragalactic Database. Retrieved...

S2CID 32638647. Rudnick, Lawrence; Brown, Shea; Williams, Liliya R. (2007). "Extragalactic Radio Sources and the WMAP Cold Spot". The Astrophysical Journal. 671...

données astronomiques de Strasbourg. Retrieved 2021-02-12. "NASA/IPAC Extragalactic Database". Results for 3C 321. Retrieved 2010-04-26. Hautaluoma, Grey;...

In astronomy, the Tully–Fisher relation (TFR) is an empirical relationship between the mass or intrinsic luminosity of a spiral galaxy and its asymptotic...

the Coma Cluster. List of NGC objects (4001–5000) NGC 4889 "NASA/IPAC Extragalactic Database". Results for NGC 4886. Retrieved 2018-04-23. "Your NED Search...

Hubble, Edwin; Sandage, Allan (1953). "The Brightest Variable Stars in Extragalactic Nebulae. I. M31 and M33". Astrophysical Journal. 118: 353. Bibcode:1953ApJ...

international science collaboration focused on improving the calibration of the extragalactic distance scale based on observations of major distance indicators in...

the survey's goals as the following: The Cosmic Assembly Near-IR Deep Extragalactic Legacy Survey is designed to document the first third of galactic evolution...

The Virgocentric flow (VCF) is the preferred movement of Local Group galaxies towards the Virgo Cluster caused by its overwhelming gravity, which separates...

v t e Extragalactic stars Andromeda Galaxy 3XMM J004232.1+411314 AE Andromedae AF Andromedae M31-2014-DS1 M31 RV PA-99-N2 Large Magellanic Cloud B90 BAT99-7...

from the original on 9 June 2015. Gilmore, G. (1979). Observational extragalactic astronomy : an investigation of southern quasars and related objects...

neutrinos detected at the IceCube Neutrino Observatory, possibly of extragalactic origin, were nicknamed "Bert" and "Ernie". The British soap opera EastEnders...

108 M☉. Coma Supercluster "Results for object NGC 4211". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2025-07-17. Zhu, Ming; Seaquist...

1981) was a British astrophysicist who made major contributions to extragalactic astronomy and cosmology. He obtained his PhD from California Institute...

of NGC objects (5001–6000) "Results for object NGC 5784". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 8 August 2024. Seligman, Courtney...

Hackney, K. R.; Hackney, R. L. (1976-01-01). "Optical behavior of 64 extragalactic radio sources". The Astronomical Journal. 81: 7–19. Bibcode:1976AJ....

(LOSS) on December 23, 1999. NGC 4571 "Results for NGC 4523". NASA/IPAC Extragalactic Database. Retrieved 2017-12-04. "parsecs to lightyears conversion"....

galaxies targeted by the Hubble Space Telescope (HST) Key Project on the Extragalactic Distance Scale, which aimed to calibrate various secondary distance...

defeated Grand Admiral Thrawn by sending himself and Thrawn to the extragalactic planet of Peridea, regarded by many as the Empire's best tactician....

survey on 19 May 2014. List of Messier objects Canes II Group "NASA/IPAC Extragalactic Database". Results for Messier 106. Retrieved 7 December 2006. Tonry...

Astrobiology Astrochemistry Astrometry Astrophysics Cosmochemistry Cosmology Extragalactic astronomy Galactic astronomy Orbital mechanics Physical cosmology Planetary...

19, 1828 by John Herschel (and later listed as NGC 2299). "NASA/IPAC Extragalactic Database (NED) results for object NGC 2302". NASA/IPAC. Retrieved 2026-04-10...

galaxy in the constellation Perseus List of Abell clusters "NASA/IPAC Extragalactic Database". Results for Perseus Cluster. Retrieved 2006-11-28. Abell...

S2CID 11672751. "Results for object NGC 4780 (NGC 4780)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-02....

from the Hubble Space Telescope's Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS) and Spitzer Space Telescope's Great Observatories...

not known to have an active galactic nucleus. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-12-12. "NGC 5601 - Galaxy...

source. "NED Search results for WISEA J085101.70+163857.3". NASA/IPAC Extragalactic Database. Retrieved 2026-08-04. Kozieł-Wierzbowska, Dorota; Goyal, Arti;...

measures used in cosmology. "NED results for object TON 618". NASA/IPAC EXTRAGALACTIC DATABASE. Archived from the original on 2021-08-15. Retrieved 2021-08-15...

Quintet) Robert's Quartet Seyfert's Sextet Copeland Septet "NASA/IPAC Extragalactic Database". Results for HCG 92. Retrieved 2006-09-18. Moles, M.; Marquez...

v t e Extragalactic stars Andromeda Galaxy 3XMM J004232.1+411314 AE Andromedae AF Andromedae M31-2014-DS1 M31 RV PA-99-N2 Large Magellanic Cloud B90 BAT99-7...

S2CID 246823634. "Results for WISEA J081421.70+522410.0". NASA/IPAC Extragalactic Database. Oei, Martijn S. S. L.; van Weeren, Reinout J.; Gast, Aivin...

counterpart of a binary pulsar, the first pulsar in a globular cluster, the extragalactic origin of gamma-ray bursts and the first brown dwarf. JPL · 9804 9807...

1741". simbad.u-strasbg.fr. Retrieved 25 February 2017. "NASA/IPAC Extragalactic Database". nedwww.ipac.caltech.edu. Retrieved 25 February 2017. "Revised...

the extragalactic origin of cosmic rays at the highest energies. This implies that there must be a transition energy from galactic to extragalactic sources...

active galactic nuclei, galaxy dynamics and scaling relations, the extragalactic distance scale and the expansion rate of the Universe. In her work,...

PKS 1148−001 is classified as a radio-loud quasar and is a variable extragalactic radio source. High-resolution radio observations have revealed compact...

stars can be determined in this case. Since about 1995, measurement of extragalactic eclipsing binaries' fundamental parameters has become possible with...

measurement of the Hubble constant and matter content of the Universe using extragalactic background light γ-ray attenuation". The Astrophysical Journal. 885...

Tim (17 December 2010). "A Giant Planet Around a Metal-Poor Star of Extragalactic Origin". Science. 330 (6011): 1642–1644. arXiv:1011.6376. Bibcode:2010Sci...

with the extragalactic radio frame to within ±0.6 milliarc-sec at the epoch J1991.25, and non-rotating with respect to distant extragalactic objects to...

of NGC objects (2001–3000) "Results for object NGC 2708". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 8 August 2024. Seligman, Courtney...

the Pinwheel Galaxy "NED results for object MESSIER 101". NASA/IPAC Extragalactic Database. Retrieved 2025-04-27. "Messier 101". SEDS Messier Catalog...

ISSN 2397-3366. S2CID 118647384. Bulik, Tomasz (2007). "Black holes go extragalactic". Nature. 449 (7164): 799–801. doi:10.1038/449799a. PMID 17943114. S2CID 4389109...

publications indexed by Google Scholar McKee, Maggie (September 27, 2007). "Extragalactic radio burst puzzles astronomers". New Scientist. Retrieved September...

An astrophysical maser is a naturally occurring source of stimulated spectral line emission, typically in the microwave portion of the electromagnetic...

3314". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 18 July 2025. "Results for object NGC 3314A". NASA/IPAC Extragalactic Database. NASA...

(JWST) between 10 and 12 January 2024 as part of the JWST Advanced Deep Extragalactic Survey (JADES) and JADES Origins Field (JOF) programmes. It has a redshift...

2) ± ((2.52 + 22)0.5 / 2) = 29.3 ± 1.6 "Results for M104". NASA/IPAC Extragalactic Database. Retrieved 2008-07-09. McQuinn, Kristen B. W.; Skillman, Evan...

The supergalactic coordinate system is a reference frame for the supercluster of galaxies that contains the Milky Way galaxy, referenced to a local relatively...

intends to use Imperial resources to engage in open warfare with the extragalactic fanatics, the Grysk, before they can invade the galaxy, in the meantime...

NGC 5121A, and ESO 324- 26. "Results for object NGC 5121". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 25 February 2025. "Revised NGC...

v t e Extragalactic stars Andromeda Galaxy 3XMM J004232.1+411314 AE Andromedae AF Andromedae M31-2014-DS1 M31 RV PA-99-N2 Large Magellanic Cloud B90 BAT99-7...

Strasbourg. Retrieved 2021-08-23. "Results for object NGC 997". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 5 September 2024. Seligman, Courtney...

female professor of physics in Australia. Her main focus areas are extragalactic astronomy and cosmology; she researches black holes and the first stars...

2011-04-20. "NASA/IPAC Extragalactic Database". Retrieved 2018-06-27. "Results for object NGC UGC 1810 (UGC 1810)". NASA/IPAC Extragalactic Database. California...

Leahy in 1993 and is in use. Extragalactic radio source is common but can lead to confusion, since many other extragalactic objects are detected in radio...

finite. Thus the observed radiation density (the sky brightness of extragalactic background light) can be independent of finiteness of the universe....

p.187 Bibcode:1941PASP...53..187S Burbidge, E. Margaret The Strange Extragalactic Systems Mayall's Object and IC 883, Astrophysical Journal, vol. 140...

arXiv:astro-ph/0003148. Bibcode:2000A&A...357..484S. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-08-03. Media related...

globular cluster formerly thought to be part of our galaxy reassigned to extragalactic status, even if not recognized as such for more than two centuries....

Telescope image of NGC 4414, showing SN 2021J and SN 2023hlf. "NASA/IPAC Extragalactic Database". Results for NGC 4414. Retrieved 22 June 2025. Rand, Richard...

nebulae were extragalactic objects. The speed of rotation he calculated for the nebulae, if Hubble were correct as to their extragalactic nature, would...

JADES-ID1 comes from the survey that observed it, the JWST Advanced Deep Extragalactic Survey (JADES). Farthest protoclusters Protogalaxy "NASA Telescopes...

(2025). "The distribution of galaxy rotation in JWST Advanced Deep Extragalactic Survey". Monthly Notices of the Royal Astronomical Society. 538 (1):...

galaxy—proof that BL Lacertae was not a star—were found in 1974. The extragalactic nature of BL Lacertae was not a surprise. In 1972 a few variable optical...

problem. In the 1950s, two substantial errors were discovered in Hubble's extragalactic distance scale: first in 1952, Walter Baade discovered there were two...

– study of the interstellar medium, intergalactic medium and dust. Extragalactic astronomy – study of objects (mainly galaxies) outside our Galaxy, including...

astrochemistry, astrobiology, stellar astronomy, galactic astronomy, extragalactic astronomy, and physical cosmology. Astronomers can also specialize in...

despite their completely different stellar populations and is part of the Extragalactic Distance Scale. The distance estimate to a galaxy using the PNLF requires...

NGC 2562 NGC 2563 NGC 2569 List of NGC objects (2001-3000) "NASA/IPAC Extragalactic Database (NED) results for object NGC 2563". NASA/IPAC. Retrieved 2024-05-22...

of NGC objects (3001–4000) "Results for object NGC 3062". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 1 August 2026. Seligman, Courtney...

object IC 1101". NASA/IPAC Extragalactic Database. Retrieved 28 August 2022. "Reference Lookup | NASA/IPAC Extragalactic Database". ned.ipac.caltech...

Magellanic Cloud: NGC 121 NGC 265 NGC 290 NGC 346 NGC 602 "NASA/IPAC Extragalactic Database". Results for Small Magellanic Cloud. Retrieved 2006-12-01...

Center, the Magellanic Clouds, Sco X-1, Cas A, Cygnus Loop, and a few extragalactic sources. The observations were performed in Earth's shadow to eliminate...

nucleus. "NED Search results for SDSS J105054.22+225651.0". NASA/IPAC Extragalactic Database. Retrieved 2026-08-08. Kozieł-Wierzbowska, Dorota; Goyal, Arti;...

Strasbourg. Retrieved 2009-11-28. "Results for NGC 598". NASA/IPAC Extragalactic Database. NASA/IPAC/JPL. Retrieved 2006-12-01. "Your NED Search Results"...

"NASA/IPAC Extragalactic Database". Results for NGC 0014. Retrieved 2010-05-03. "Distance Results for NGC 0014". NASA/IPAC Extragalactic Database. Retrieved...

analysis of LMC X–2 with XMM/Newton: unveiling the emission process in the extragalactic Z-source" (PDF). Astronomy & Astrophysics. 478: 181–186. Bibcode:2008A&A...

and studies have elaborated on the issue and described the diffuse extragalactic background radiation in more detail. Some Vanderbilt astronomers report...

(DLT40) on 1 June 2018. "NED results for object NGC 0274". NASA/IPAC Extragalactic Database. Retrieved September 2, 2016. "New General Catalog Objects:...

metal-rich globular cluster NGC 6356 "Object No. 1 – NGC 6356". NASA/IPAC extragalactic database. NASA/IPAC. Retrieved 19 October 2015. "Revised NGC Data for...

1A. doi:10.1086/191333. ISSN 0067-0049. "Norma Cluster". NASA/IPAC Extragalactic Database (NED). Retrieved 2012-02-25. Kraan-Korteweg, Renee C. (2000)...

NASA/IPAC NGC 3200 at SIMBAD NGC 3200 at LEDA "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-02. "NED Query Results...

Space Telescope (JWST) during NIRCam imaging for the JWST Advanced Deep Extragalactic Survey (JADES) on 29 September 2022. Spectroscopic observations by JWST's...

4493". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 4 August 2026. "Distance Results for NGC 4493". NASA/IPAC Extragalactic Database. NASA...

NGC 3447 (GALEX) at WikiSky NGC 3447 at Seligman "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-21. "Revised data...

It was discovered on November 22, 1827, by John Herschel. "NASA/IPAC Extragalactic Database". Results for NGC 0287. Retrieved September 2, 2016. "NGC 287"...

Clusters". Retrieved 3 February 2017. "Object No. 1 – NGC 6284". NASA/IPAC extragalactic database. NASA/IPAC. Retrieved 3 October 2015. "NGC 6284 (= GCL 53)"...

The presence of proper motion confirms that it is not a background, extragalactic object, but rather a much closer brown dwarf. Comparing its spectral...

lines of NGC 1068 and two other such "nebulae" and classified them as extragalactic objects. In 1943, Carl Keenan Seyfert discovered more galaxies similar...

Mount Hopkins. Research activities include imaging and spectroscopy of extragalactic, stellar, solar system and extra-solar bodies, as well as gamma-ray...

List of NGC objects Galaxy "Results for object NGC 0043". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 11 June 2025. Seligman, Courtney...

It was discovered on October 28, 1834, by John Herschel. "NASA/IPAC Extragalactic Database". Results for NGC 0215. Retrieved 2016-09-02. "New General...

4378". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 23 June 2025. "Distance Results for NGC 4378". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

Retrieved 2021-02-18. "Results for object NGC 3260 (NGC 3260)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-18....

interferometric study of 21 cm absorption towards a large number of galactic and extragalactic sources. He also contributed in designing and fabricating hang-gliders...

25 February 2020. "NASA/IPAC Extragalactic Database". Results for NGC 5257. Retrieved 2006-11-22. "NASA/IPAC Extragalactic Database". Results for NGC 5258...

"NASA/IPAC Extragalactic Database". Results for NGC 0338. Retrieved September 2, 2016. "Distance Results for NGC 1285". NASA/IPAC EXTRAGALACTIC DATABASE...

CfA2 Great Wall. List of NGC objects (6001–7000) NGC 1316 "NASA/IPAC Extragalactic Database". Results for NGC 6039. Retrieved 2018-01-09. "Your NED Search...

Dreyer as "faint, pretty small, round, brighter middle." "NASA/IPAC Extragalactic Database". Results for NGC 0420. Retrieved September 2, 2016. "New General...

of NGC objects (6001–7000) "Results for object NGC 6822". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2007-03-15. Karachentsev et al...

as large as the full Moon in visible light. Aquila also holds some extragalactic objects. One of them is what may be the largest single mass concentration...

3389". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 23 July 2025. "Distance Results for NGC 3389". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

astrochemistry astrobiology, stellar astronomy, galactic astronomy, extragalactic astronomy, and physical cosmology A 32,500-year-old carved ivory mammoth...

Eridanus, discovered by Francis Preserved Leavenworth in 1886. "NASA/IPAC Extragalactic Database". Results for NGC 1234. Retrieved 2008-07-18. Seligman, Courtney...

to be a single galaxy with multiple star-forming regions. "NASA/IPAC Extragalactic Database". Results for UGC 02140. Retrieved 29 October 2014. Plana,...

410. List of NGC objects (1–1000) Pisces (constellation) "NASA/IPAC Extragalactic Database". Results for NGC 0408. Retrieved September 2, 2016. "New General...

discovery of NGC 1128 in 1886. "Results for object NGC 1128". NASA/IPAC Extragalactic Database. Retrieved 26 October 2006. "APOD: 2017 October 22 – Two Black...

collision between the Milky Way and Andromeda galaxies, the future state of extragalactic astronomy, astrophysical implications of black hole recoil in galaxy...

Institute of Technology Scientific career Fields Astrophysics, Astronomy (Extragalactic Astronomy and Cosmology) Institutions University of Arizona, Large Binocular...

play an important role in creating the bipolar outflow in the region. Extragalactic ammonia was imaged using the VLA in IC 342. The hot gas has temperatures...

object NGC 3310". NASA/IPAC Extragalactic Database. Retrieved 9 July 2026. "Distance Results for NGC 3310". NASA/IPAC Extragalactic Database. NASA. Retrieved...

between the Local Supercluster and Pavo–Indus Supercluster. "NASA/IPAC Extragalactic Database". Results for NGC 7599. Retrieved 22 March 2025. "Revised NGC...

of 28 kiloparsecs. "NED Search results for Abell 402 BCG". NASA/IPAC Extragalactic Database. Retrieved 27 May 2026. Ebeling, H.; Edge, A. C.; Mantz, A...

Strasbourg. Retrieved 11 July 2022. "SMACS J0723.3-7327". NASA/IPAC Extragalactic Database. WRAL (10 July 2022). "SMACS J0723.3-7327". WRAL.com. Retrieved...

NGC 388, NGC 386 forms a galaxy cluster called Arp 331. "NASA/IPAC Extragalactic Database". Results for NGC 0386. Retrieved September 2, 2016. "New General...

3177". ned.ipac.caltech.edu. Retrieved 2024-07-22. "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-22. "New General...

Metric". Cosmological Physics. Cambridge University Press: NASA/IPAC Extragalactic Database - California Institute of Technology. Archived 8 September...

of 0.0029 parsecs. "NED search results for PKS 0426-380". NASA/IPAC Extragalactic Database. Retrieved 2025-08-02. Benkhali, F. Ait; Hofmann, W.; Rieger...

text Nano-emissive display, a type of flat panel display NASA/IPAC Extragalactic Database, a database of information on astronomical objects outside...

around 6.46 × 108 M☉. "NED Search results for NGC 6137". NASA/IPAC Extragalactic Database. Retrieved 2025-12-07. "Revised NGC Data for NGC 6137". spider...

which connects the Antlia Cluster with the Fornax Cluster. "NASA/IPAC Extragalactic Database". Results for NGC 2559. Retrieved 12 February 2025. "Revised...

Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images "NASA/IPAC Extragalactic Database". Results for NGC 1419. Retrieved 2024-07-07. Jacoby, George...

Retrieved 28 November 2006. "Saggitarius Dwarf Spheroidal". NASA/IPAC Extragalactic Database. Retrieved 28 November 2006. Toguchi-Tani, Ellie K. H.; Hey...

Dwarf Spheroidal Galaxy Monoceros Ring Virgo Stellar Stream "NASA/IPAC Extragalactic Database". Results for Canis Major Dwarf. Retrieved 16 March 2007. "Astronomers...

of NGC objects (3001–4000) "Results for object NGC 3596". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2006-10-24. Seligman, Courtney...

List of NGC objects (1001–2000) Perseus (constellation) "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved March 3, 2019. "Revised NGC...

discovered by Frank Muller in 1886. NGC 143 på SEDS NGC 143 på NASA/IPAC Extragalactic Database Seligman, Courtney. "NGC 143". Celestial Atlas. Retrieved 30...

"NASA/IPAC Extragalactic Database". Results for object NGC 7317. Retrieved 2007-04-21. "Distance Results for NGC 7317". NASA/IPAC EXTRAGALACTIC DATABASE...

Nature News, 19 September 2008 Gänsicke et al.: SCP06F6: A carbon-rich extragalactic transient at redshift z~0.14. Preprint, 2008. Quimby; Kulkarni; Kasliwal;...

at LEDA NGC 1701 at WikiSky NGC 1701 at Seigman "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-22. "Trekkie Galaxy...

object NGC 5090". NASA/IPAC Extragalactic Database. Retrieved 9 March 2019. "Results for object NGC 5091". NASA/IPAC Extragalactic Database. Retrieved 9 March...

telescopes. The telescope was influential in the early detections of extragalactic objects including quasars, astrophysical masers, and Einstein rings...

Retrieved 2020-05-20. "Results for object NGC 0656 (NGC 656)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-05-21....

have been suggested, such as frequently both VY Canis Majoris and the extragalactic WOH G64 A, which resides within the Large Magellanic Cloud. Direct measurements...

Space.com – Massive Black Hole Stumps Researchers Simbad "NASA/IPAC Extragalactic Database". Results for 0901+6942. Retrieved 2010-04-20. Romani, Roger...

percentage rises from 1% to 10%. "NED Search results for IC 708". NASA/IPAC Extragalactic Database. Retrieved 2025-12-28. "Revised IC Data for IC 708". spider...

Cluster and is a LINER galaxy. List of NGC objects (6001–7000) "NASA/IPAC Extragalactic Database". Results for NGC 6055. Retrieved 2018-08-30. "HyperLeda -object...

2010.18174.x. S2CID 15391206. "Results for object NGC 0520". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2006-12-22. Stoyan, Ronald; Schurig...

for NGC 3184". NASA/IPAC Extragalactic Database. Retrieved 2010-06-01. "Distance Results for NGC 3184". NASA/IPAC Extragalactic Database. Retrieved 2010-06-01...

SN H0pe Inset (NIRCam)". Webb Telescope. 1 October 2024. NASA/IPAC Extragalactic Database (NED): PLCK G165.7+67.0 SIMBAD: (CNL2018) PLCK G165.7+67.0...

Observational Sidewalk Space telescope Celestial subject Galactic / Extragalactic Local system Solar EM methods Radio Submillimetre Infrared (Far-infrared)...

galactic objects and are concentrated toward our galactic center, where extragalactic objects – such as distant galaxies – are rarely observed there due to...

NGC objects Galaxy "NGC 20". SIMBAD. Retrieved 2025-06-24. "NASA/IPAC Extragalactic Database". Results for NGC 0020. Retrieved 2010-05-05. Steinicke, W...

Space dust measurement refers to the study of small particles of extraterrestrial material, known as micrometeoroids or interplanetary dust particles (IDPs)...

crusade by a marauder empire or an invasion by nanomachines from an extragalactic cluster. Late-game crises might include an awakening of hostile dormant...

described by Dreyer as "questionable, faint, small, stellar". "NASA/IPAC Extragalactic Database". Results for NGC 0324. Retrieved September 2, 2016. "NGC 324"...

object is located 10.6 billion light years from Earth and presents an extragalactic astrophysical jet morphology. 4C +09.17 is classified a radio-loud quasar...

similar galaxy heavily obscured by Milky Way stars and dust. "NASA/IPAC Extragalactic Database". Results for IC 342. Retrieved 2006-11-01. I. D. Karachentsev;...

Truebenbach, Alexandra E.; Darling, Jeremy (November 2017). "The VLBA Extragalactic Proper Motion Catalog and a Measurement of the Secular Aberration Drift"...

of NGC objects (4001–5000) "Results for object NGC 4611". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 23 July 2024. Seligman, Courtney...

Retrieved 2 June 2015. "NED results for object 3C 215". NASA/IPAC Extragalactic Database. Retrieved 2 June 2015. Alan Bridle (6 November 1996). "3C215...

4617". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 26 August 2025. "Distance Results for NGC 4617". NASA/IPAC Extragalactic Database. NASA...

galaxy NGC 646 at SIMBAD "Results for object NGC 0646 NED01". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2024-04-18. "NGC 646 NED02 - Elliptical/Spiral...

relative size indicated. All known globular clusters are shown. 1,130 extragalactic systems are included as are many Galactic objects including planetary...

List of NGC objects (1–1000) List of NGC objects Galaxy "NASA/IPAC Extragalactic Database". Results for NGC 0184. Retrieved 2016-09-02. "NGC 184". SIMBAD...

2016-03-09. "NGC 5486". DSO Browser. Retrieved 2016-03-09. "NASA/IPAC EXTRAGALACTIC DATABASE". ned.ipac.caltech.edu. Retrieved 2023-03-12. Gianopoulos,...

1864. Lenticular galaxy List of NGC objects (1–1000) Pisces "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 28 November 2017. "Revised...

discovered by the Palomar Transient Factory on 8 November 2013. "NASA/IPAC Extragalactic Database". Results for NGC 0414. Retrieved September 2, 2016. "New General...

Observatory. 2005. Retrieved April 1, 2012. "Results for NGC 1533". NASA/IPAC Extragalactic Database. Retrieved 2008-06-26. Ryan-Weber, Emma; Webster, Rachel; Bekki...

that the planetary system belongs to the globular cluster Messier 62. Extragalactic Distance Scale Kraken galaxy Leonard-Merritt mass estimator List of...

1051/aas:2000230. ISSN 0365-0138. Charlot, P. (March 1990). "Fourteen extragalactic radio sources mapped at 2.3 and 8.4 GHz with a 24-hour Crustal Dynamics...

It is also a Seyfert 1 galaxy which is an X-ray source. "NASA/IPAC Extragalactic Database". Results for 3C 390.3. Retrieved 2006-10-26. "3CR 390.3 –...

December 2011. Retrieved 6 November 2011. "Shock Diamonds In Space: Extragalactic Afterburner From PKS 0637-752 | Science 2.0". www.science20.com. 27...

by Jarrett et al. 2000, with all the data retrieved from NASA/IPAC Extragalactic Database. As for the star formation, they employed a decreasing function...

5735". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 24 March 2026. "Distance Results for NGC 5735". NASA/IPAC Extragalactic Database. NASA...

doctoral thesis titled "The radio spectra and cosmological evolution of extragalactic radio sources". In 1982, Peacock married Heather, a nurse and medical...

PGC 5100 and IC 1666. "NED Search results for IC 1689". NASA/IPAC Extragalactic Database. Retrieved 2026-01-03. "Revised IC Data for IC 1689". spider...

of NGC objects (3001–4000) "Results for object NGC 3936". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 21 July 2024. Seligman, Courtney...

11.98. "NED Search results for SDSS J104902.07+542348.9". NASA/IPAC Extragalactic Database. Retrieved 2026-07-18. Kozieł-Wierzbowska, Dorota; Goyal, Arti;...

and the naked-eye variables R Serpentis and Tau4 Serpentis. Notable extragalactic objects include Seyfert's Sextet, one of the densest galaxy clusters...

Simbad "NASA/IPAC Extragalactic Database". Results for 3C 47. Retrieved 2006-10-26. "3C 47". XJET: X-Ray Emission from Extragalactic Radio Jets. 2009-04-01...

splinter of Leviathan) and the forces of Chaos. The Tyranids are an extragalactic insectoid race whose sole purpose is to consume all forms of biomatter...

Portuguese Alma mater University of Lisbon University of Edinburgh Known for Discovery of Cosmos Redshift 7 Scientific career Fields Extragalactic astronomy...

NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 13 November 2024. "Distance Results for NGC 6492". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

Messier objects Messier 58 "Results for object MESSIER 088". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 14 November 2006. "Messier 88"...

the universe. He conceived the BICEP (Background Imaging of Cosmic Extragalactic Polarization) instrument, which observed from the South Pole. BICEP...

object NGC 0019". NASA/IPAC Extragalactic Database. Retrieved 3 May 2010. "Distance Results for NGC 0019". NASA/IPAC EXTRAGALACTIC DATABASE. NASA. Retrieved...

Fornax Cluster Norma Cluster Virgo Cluster "Eridanus Cluster". NASA/IPAC Extragalactic Database (NED). Retrieved 2012-02-25. Omar, A.; Dwarakanath, K. S. (March...

part of the Virgo Cluster. List of NGC objects (4001–5000) "NASA/IPAC Extragalactic Database". Results for NGC 4296. Retrieved 2019-03-19. "HyperLeda -object...

147 kpc/arcsec multiplied with given angular diameters. "NASA/IPAC Extragalactic Database". Results for 3C 236. Retrieved 2008-07-19. "SIMBAD query result"...

"Coordinate Transformation & Galactic Extinction Calculator". NASA/IPAC Extragalactic Database. California Institute of Technology. Archived from the original...

astronomical objects Starburst galaxies Superclusters Voids Related Extragalactic astronomy Galactic astronomy Galactic coordinate system Galactic habitable...

pages with titles containing Video Fideo (disambiguation) VISTA Deep Extragalactic Observations Survey This disambiguation page lists articles associated...

group include UGC 1496, NGC 786, UGC 1512, and NGC 792. "NASA/IPAC Extragalactic Database". Results for NGC 774. Retrieved 1 February 2025. "Revised...

"NASA/IPAC Extragalactic Database". Results for NGC 0021. Retrieved 2010-05-03. "Distance Results for NGC 0021". NASA/IPAC Extragalactic Database. Retrieved...

Observational Sidewalk Space telescope Celestial subject Galactic / Extragalactic Local system Solar EM methods Radio Submillimetre Infrared (Far-infrared)...

record for this object at VizieR. "NASA/IPAC Extragalactic Database (NED) - NGC 1163". NASA/IPAC Extragalactic Database. Retrieved 2024-06-19. Seligman,...

Brett A. (2022-03-14). "2021 Census of Interstellar, Circumstellar, Extragalactic, Protoplanetary Disk, and Exoplanetary Molecules". The Astrophysical...

HEASARC. Retrieved 2024-02-22. "NED results for NGC 5963". NASA/IPAC Extragalactic Database. University of California. Retrieved 2024-02-22. "NGC 5963"...

Scott Dunlop is a Scottish astronomer and academic. He is Professor of Extragalactic Astronomy at the Institute for Astronomy, an institute within the School...

v t e Extragalactic stars Andromeda Galaxy 3XMM J004232.1+411314 AE Andromedae AF Andromedae M31-2014-DS1 M31 RV PA-99-N2 Large Magellanic Cloud B90 BAT99-7...

downward by up to 1 dex. Deep observations with the JWST Advanced Deep Extragalactic Survey (JADES) looked at galaxies with z values between 3-10, including...

source 2A 0252+060 (1H 0253+058, XRS 02522+060). SIMBAD "NASA/IPAC Extragalactic Database". Results for 3C 75. Retrieved 2010-04-26. Nemiroff, R.; Bonnell...

foundational indicators of cosmic benchmarks for scaling galactic and extragalactic distances. The physical model explaining the Leavitt's law for classical...

Muller on 29 October 1989. "NED Search results for UGC 1922". NASA/IPAC Extragalactic Database. Retrieved 2026-01-20. "Revised NGC Data for UGC 1922". spider...

discipline that deals with the nature of the Universe as a whole. History of extragalactic astronomy – history of the branch of astronomy concerned with objects...

v t e Extragalactic stars Andromeda Galaxy 3XMM J004232.1+411314 AE Andromedae AF Andromedae M31-2014-DS1 M31 RV PA-99-N2 Large Magellanic Cloud B90 BAT99-7...

"NGC 578". www.noirlab.edu. Retrieved 1 February 2025. "NASA/IPAC Extragalactic Database". Results for NGC 578. Retrieved 1 February 2025. "Revised...

of NGC objects (5001–6000) "Results for object NGC 5419". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 28 July 2024. Seligman, Courtney...

Observatory NGC 4423 imaged SDSS "Results for object NGC 4423". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2025-07-08. "New General Catalog...

NGC 4105 and their groups. "Results for object NGC 3673". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 24 February 2025. "Revised NGC...

for UGC 312". NASA/IPAC Extragalactic Database. Retrieved 2026-05-16. "NED results for MCG +01-02-018". NASA/IPAC Extragalactic Database. Retrieved 2026-05-16...

of NGC objects (6001–7000) "Results for object NGC 6537". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 31 October 2025. Matsuura, M....

for NGC 4565". NASA/IPAC Extragalactic Database. Retrieved 2026-03-27. "Distance Results for NGC 4565". NASA/IPAC Extragalactic Database. Retrieved 2026-03-27...

[Fe/H] = –0.85 dex Estimated age 6.5 Gyr Notable features Probably extragalactic Other designations GCl 123 See also: Globular cluster, List of globular...

v t e Extragalactic stars Andromeda Galaxy 3XMM J004232.1+411314 AE Andromedae AF Andromedae M31-2014-DS1 M31 RV PA-99-N2 Large Magellanic Cloud B90 BAT99-7...

The mass–metallicity relation is an observed correlation between the mass of a galaxy and its metallicity, the abundance of chemical elements heavier than...

v t e Extragalactic stars Andromeda Galaxy 3XMM J004232.1+411314 AE Andromedae AF Andromedae M31-2014-DS1 M31 RV PA-99-N2 Large Magellanic Cloud B90 BAT99-7...

interaction with NGC 4458. List of NGC objects (4001–5000) M86 "NASA/IPAC Extragalactic Database". Results for NGC 4461. Retrieved 2017-08-09. "Your NED Search...

galaxy with its gas disk orbiting opposite the disk of stars "NASA/IPAC Extragalactic Database". Results for NGC 4622. Retrieved 2024-12-31. Buta, Ronald...

region (BLR) luminosity is 42.37 erg s-1. "MS 0011.7+0837". NASA/IPAC Extragalactic Database. Retrieved 2026-04-26. Gioia, I. M.; Luppino, G. A. (October...

Retrieved 2020-05-25. "Results for object NGC 0860 (NGC 860)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-05-25....

3847/1538-3881/aa86ac, S2CID 119517454 "Object No. 1 – NGC 6229". NASA/IPAC extragalactic database. NASA/IPAC. Retrieved 3 October 2015. "Revised NGC Data for...

NASA/IPAC Extragalactic Database. "NGC 1158". German Wikipedia. "NGC 1158". Celestial Atlas. "NGC 1158". In-The-Sky.org. "NGC 1158". NASA/IPAC Extragalactic Database...

visual close proximity , spectroscopic measurements from the NASA/IPAC Extragalactic Database (NED) confirm that the group is an optical grouping caused...

Centre de données astronomiques de Strasbourg. PGC 54559 on NASA/IPAC Extragalactic Database Cutri, R. M.; Skrutskie, M. F.; Van Dyk, S.; Beichman, C. A...

23 April 2010) University of Virginia, Mark Whittle, ASTR 553/554 : Extragalactic Astronomy (2007), "Lecture 5: Spiral Galaxies". Archived 7 July 2010...

VT 1137-0337 is a extragalactic pulsar wind nebula (possibly a magnetar nebula) that is located 395 million light years away from planet earth in the...

Jean-Pierre Macquart; Fronefield Crawford III (2010). "Radio Bursts with Extragalactic Spectral Characteristics Show Terrestrial Origins". The Astrophysical...

Aarti; Purohit, Arundhati (25 September 2025). "RAD@home discovery of extragalactic radio rings and odd radio circles: clues to their origins". Monthly...

"Blue Supergiants as a Tool for Extragalactic Distances — Empirical Diagnostics". Stellar Candles for the Extragalactic Distance Scale. Lecture Notes in...

4411". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 19 July 2025. "Distance Results for NGC 4411". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

region falls partly within the Zone of Avoidance, a band of sky in which extragalactic observations are obstructed by stars, dust, and gas in the Milky Way...

Retrieved 2020-12-12. "Results for object NGC 0164 (NGC 164)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-12-12....

he led the observation of the proper motion of stars with respect to extragalactic nebula. A crater on Mars and another on the Moon were named in his honor...

member of the Virgo Cluster. List of NGC objects (4001–5000) "NASA/IPAC Extragalactic Database". Results for NGC 4207. Retrieved 2018-07-28. "Your NED Search...

nearby (PGC 4021) has sometimes been mistaken as NGC 390. "NASA/IPAC Extragalactic Database". Results for NGC 0390. Retrieved September 2, 2016. "New General...

Milky Way itself. Ursa Major I Dwarf Ursa Major II Dwarf "NASA/IPAC Extragalactic Database". Results for Ursa Minor Dwarf. Retrieved 2006-11-29. I. D...

1093/mnras/sts494. "Results for object NGC 3972 (NGC 3972)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-18....

estimated to be 7.30 M☉. "NED search results for Markarian 478". NASA/IPAC Extragalactic Database. Retrieved 2025-08-10. Gondhalekar, P. M.; Kellett, B. J.;...

Buta (2011, p. 34) Buta (2011, p. 34) "Spiral Structure". NASA/IPAC Extragalactic Database. Caltech. Archived from the original on 2022-10-12. Retrieved...

northwestern wing. "NED Search results for SDSS J1239+5414". NASA/IPAC Extragalactic Database. Retrieved 2026-05-01. Smith, K. L.; Shields, G. A.; Bonning...

(incomplete) outline of research avenues and groups: Department of Extragalactic Astronomy Violent Stellar Formation Group AMIGA Group (Analysis of the...

August 2024. "Detailed Information for Object NGC 7331". NASA/IPAC Extragalactic Database. Retrieved 2025-04-24. Baer-Way, Raphael; Degraw, Asia; Zheng...

perceived discriminatory naming "Distance Results for NGC 4568". NASA/IPAC Extragalactic Database. Retrieved 2010-05-01. "VV 219 -- Interacting Galaxies". SIMBAD...

objects (1–1000) "Results for object NGC 0635 (NGC 635)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-05-20....

be described by macroscopic concepts. Orders of magnitude (length) Extragalactic distance scale Scale height Zee, Anthony (2010). Quantum field theory...

SIMBAD. Retrieved 2025-12-01. "NED Results for LEDA 896325". NASA/IPAC Extragalactic Database. Retrieved 2025-12-01. G., Paturel (2003). "HYPERLEDA. I. Identification...

including ArH+, CF+, HCN, HCO+, H2O, NH3, and OH+. As of 2014, it is the "extragalactic object with the largest number of detected molecular species". In 2023...

another lenticular galaxy in the Virgo Cluster NGC 7020 "NASA/IPAC Extragalactic Database". Results for NGC 4612. Retrieved 2017-09-10. "Your NED Search...

4559". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2020-12-21. "Distance Results for NGC 4559". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

galaxy List of NGC objects (1–1000) Andromeda (constellation) "NASA/IPAC Extragalactic Database". Results for NGC 0218. Retrieved 2016-09-02. An object's distance...

for NGC 5101". NASA/IPAC Extragalactic Database. Retrieved 2007-04-03. "Distance Results for NGC 5101". NASA/IPAC Extragalactic Database. Retrieved 2010-05-14...

Bibcode:1998A&A...334..473M. "NASA/IPAC Extragalactic Database Results for NGC 7320". NASA/IPAC Extragalactic Database. Retrieved 2026-07-05. "2MASS Large...

following areas: Sun & Solar System Stellar Astronomy, Galactic Astronomy & Extragalactic Astronomy Cosmology & Theoretical Astrophysics Astronomical Instrumentation...

389–422. Bibcode:1982ApJ...257..389T. doi:10.1086/159999. "NASA/IPAC Extragalactic Database". Results for various galaxies. Archived from the original...

(JAdES), a type of advanced electronic signature JWST Advanced Deep Extragalactic Survey (JADES) JADE (particle detector), a particle detector at DESY...

of NGC objects (3001–4000) "Results for object NGC 3109". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2006-11-19. I. D. Karachentsev;...

Robert, Carmelle (1997). "A New Luminous Blue Variable in the Giant Extragalactic H II Region NGC 2363". The Astrophysical Journal. 474 (1): L35. Bibcode:1997ApJ...

Observational Sidewalk Space telescope Celestial subject Galactic / Extragalactic Local system Solar EM methods Radio Submillimetre Infrared (Far-infrared)...

Observational Sidewalk Space telescope Celestial subject Galactic / Extragalactic Local system Solar EM methods Radio Submillimetre Infrared (Far-infrared)...

professor of physics and Canada Research Chair", X-TRA, The High-Energy and Extragalactic Research Team, Université de Montréal, retrieved 2025-07-28 Anctil,...

3804, UGC 3838, UGC 3878, UGC 3626, UGC 3644, and UGC 3701. "NASA/IPAC Extragalactic Database". Results for UGC 3730. Retrieved 2024-03-26. Romano, R.; Mayya...

population located there. List of NGC objects (1001-2000) "NASA/IPAC Extragalactic Database". results for object PGC 012460*. Retrieved 2025-04-26. Seligman...

reaching between 40% and 50%. "NED Search results for 4C 30.31". NASA/IPAC Extragalactic Database. Retrieved 2026-04-18. Olsen, E. T. (August 1967). "Accurate...

NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 23 January 2026. "Distance Results for NGC 5353". NASA/IPAC Extragalactic Database. NASA...

25.72 Hz-1. "NED Search results for 6C B113753.5+442220". NASA/IPAC Extragalactic Database. Retrieved 2026-06-05. Hales, S. E. G.; Baldwin, J. E.; Warner...

research in the world, the Cosmology Machine (COSMA). Durham University's extragalactic astronomy group was founded in the late 1970s, and secured in 1984–5...

of NGC objects (3001–4000) "Results for object NGC 3961". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 19 March 2026. Herschel, William...

Retrieved 2021-07-03. "Results for object NGC 7583 (NGC 7583)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-07-03....

of NGC objects (2001–3000) "Results for object NGC 2890". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 4 August 2024. Celestial Atlas...

Retrieved 8 April 2014. "Results for IRAS F08279+5255". NASA/IPAC Extragalactic Database. Retrieved 8 April 2014. Irwin, Michael J.; Ibata, Rodrigo...

Astrophysics. She was a founder of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS) collaboration. She is part of leadership of...

Ursa Major Cloud. List of NGC objects (3001–4000) NGC 4111 "NASA/IPAC Extragalactic Database". Results for NGC 4118. Retrieved 2025-06-17. Pak, Mina; Rey...

6744". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 31 August 2006. "Distance Results for NGC 6744". NASA/IPAC Extragalactic Database. NASA...

(6001–7000) New General Catalogue "Object No. 1 - NGC 6221". NASA/IPAC extragalactic database. NASA/IPAC. Retrieved 3 October 2015. "NGC 6221 (= PGC 59175)"...

researchers used data from the ALMA Comprehensive High-resolution Extragalactic Molecular Inventory (ALCHEMI) project and reported evidence of phosphorus...

telekinetic shape-shifters Floaters X-COM: UFO Defense Flood Halo An extragalactic parasitic species that intends to assimilate all of existence into its...

List of NGC objects (6001–7000) "Object No. 1 – NGC 6207". NASA/IPAC extragalactic database. NASA/IPAC. Retrieved 3 October 2015. "Revised NGC Data for...

with MCG-5-2-16 and IC 1555. It is a Shapley-Ames galaxy. "NASA/IPAC Extragalactic Database". Results for NGC 0148. Retrieved 2017-01-01. "NGC 148". SIMBAD...

108 M☉. Coma Supercluster "Results for object NGC 3971". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2025-07-08. "Your NED Search Results"...

3887 in ultraviolet by GALEX "Results for object NGC 3887". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 24 February 2025. "Revised NGC...

(ISSP), on 26 August 2011. "Results for object NGC 0459". NASA/IPAC Extragalactic Database. NASA and Caltech. "Galaxy NGC 459". DSO Browser Deep Sky....

Hubble, Edwin; Sandage, Allan (1953). "The Brightest Variable Stars in Extragalactic Nebulae. I. M31 and M33". Astrophysical Journal. 118: 353. Bibcode:1953ApJ...

of NGC objects (2001–3000) "Results for object NGC 2315". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 12 February 2026. Seligman, Courtney...

For publication in Mulchaey, John S.; Stocke, John T., eds. (2002). Extragalactic gas at low redshift: proceedings of a workshop held at Carnegie Observatories...

5907". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2010-07-11. "Distance Results for NGC 5907". NASA/IPAC Extragalactic Database. Retrieved...

The interaction started less than one billion years ago. "NASA/IPAC Extragalactic Database". Results for NGC 1596. Retrieved 6 February 2025. "Revised...

Active Galactic Nuclei at z > 4: A Sample of Little Red Dots in the JWST Extragalactic Legacy Fields". The Astrophysical Journal. 986 (2): 126. arXiv:2404...

NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 18 November 2024. "Distance Results for NGC 1285". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

6627". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 3 August 2025. "Distance Results for NGC 6627". NASA/IPAC EXTRAGALACTIC DATABASE. NASA...

Galaxy morphological classification is a system used by astronomers to divide galaxies into groups based on their visual appearance, shape, structure,...

restarted active galaxy. "NED Search results for 4C 12.03". NASA/IPAC Extragalactic Database. Retrieved 2025-09-16. Shimmins, A. J.; Clarke, Margaret E...

of 5.5 × 108 M☉. NGC 3937 "Results for object NGC 3929". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 21 June 2025. "Your NED Search...

production. Due to the mean path associated with this interaction, extragalactic cosmic ray protons traveling over distances larger than 163 Mly and...

luminosity is 43.95 erg/s. "NED Search results for RBS 1467". NASA/IPAC Extragalactic Database. Retrieved 2026-06-13. Fischer, J.-U.; Hasinger, G.; Schwope...

1163S. doi:10.1086/498708. ISSN 0004-6256. S2CID 18913331. "NASA/IPAC Extragalactic Database". Results for Messier 98. Retrieved 18 November 2006. Erwin...

of NGC objects (5001–6000) "Results for object NGC 5939". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 10 August 2024. Seligman, Courtney...

of its radio source. "NED Search results for PKS 0252-71". NASA/IPAC Extragalactic Database. Retrieved 2025-12-13. Savage, A.; Bolton, J. G.; Wright, A...

v t e Extragalactic stars Andromeda Galaxy 3XMM J004232.1+411314 AE Andromedae AF Andromedae M31-2014-DS1 M31 RV PA-99-N2 Large Magellanic Cloud B90 BAT99-7...

System, from galaxies, from intergalactic plasma and from multiple extragalactic radio sources. Two requirements would show that the microwave radiation...

B. (2005). "Constraints on the photon charge from observations of extragalactic sources". Astronomy Letters. 31 (3): 147–151. arXiv:hep-ph/0411398....

Catalina Real-time Transient Survey on 7 December 2023. "NASA/IPAC Extragalactic Database". Results for NGC 0060. Retrieved 2010-05-04. Seligman, Courtney...

original object observed by Herschel is the H II region Mrk 71. "NASA/IPAC Extragalactic Database". Results for NGC 2363. Retrieved 2007-04-06. "Hubble Observes...

Type Ia Supernova Yet Observed". Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS). 23 April 2013. David O. Jones; Steven A. Rodney;...

2020. Nowakowski, Tomasz (4 May 2021). "Astronomers discover a new extragalactic circular radio source". Phys.org. Retrieved 4 May 2021. Hota, Ananda;...

2020-05-24. "Results for object KUG 0201-093 (PGC 7870)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-05-24....

observed at considerable distances in the universe, and the study of extragalactic H II regions (Such as NGC 604 and 206) is important in determining the...

1885, by Francis Leavenworth. List of NGC objects (1–1000) "NASA/IPAC Extragalactic Database". Results for NGC 0209. Retrieved 2016-09-02. An object's distance...

between 6.5 and 69. "NED Search results for Markarian 1073". NASA/IPAC Extragalactic Database. Retrieved 3 January 2026. Afanasev, V. L.; Denisiuk, E. K...

"extremely faint, small, round, very faint star to west." "NASA/IPAC Extragalactic Database". Results for NGC 0397. Retrieved September 2, 2016. "NGC 397"...

imaged by 2MASS. "Results for object NGC 0026 (NGC 26)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 10 February...

smaller than 5,500 km/s. The catalogue was obtained from the Lyon-Meudon Extragalactic Database. Two methods were used in group construction: a percolation...

of NGC objects (4001–5000) "Results for object NGC 4419". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 9 August 2025. Seligman, Courtney...

Cosmochemistry – Study of the chemical composition of matter in the universe Extragalactic astronomy – Study of astronomical objects outside the Milky Way Galaxy...

-01-02-032". NASA/IPAC Extragalactic Database. Retrieved 2026-05-17. "NED results for WISEA J003425.11-073558.2". NASA/IPAC Extragalactic Database. Retrieved...

The Faber–Jackson relation provided the first empirical power-law relation between the luminosity L {\displaystyle L} and the central stellar velocity...

Retrieved 2 June 2015. "NED results for object 3C 299". NASA/IPAC Extragalactic Database. Retrieved 2 June 2015. www.jb.man.ac.uk/atlas/ (J. P. Leahy)...

position of the BCG. "NED Search results for Abell 1758N BCG". NASA/IPAC Extragalactic Database. Retrieved 2026-05-31. Boschin, W.; Girardi, M.; Barrena, R...

Log(L/L{\odot })=3.71} ). "Results for object NGC 7094". NASA/IPAC Extragalactic Database. Retrieved 2023-12-17. "NGC 7094". Aladin Lite, Centre de données...

infrared/TeV crisis: Lack of attenuation of very energetic gamma rays from extragalactic sources. What is the nature of little red dots? How do galactic history...

données astronomiques de Strasbourg. Retrieved 2010-04-21. "NASA/IPAC Extragalactic Database". Results for 3C 147. Retrieved 2010-04-21. Rossetti, A.; Mantovani;...

Hoyle, F.; Narlikar, J. V.; Wickramasinghe, N. C. (August 1990). "The extragalactic Universe: an alternative view". Nature. 346 (6287): 807–812. doi:10...

3521". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2006-10-24. Mao, Rui-Qing; et al. (December 2010), "An Extragalactic 12CO J = 3-2 Survey...

NGC/IC Project Restoration Effortngcicproject.observers.org "NASA/IPAC Extragalactic Database". Results for NGC 2442 / 2443. Retrieved 2023-02-08. Chadwick...

19th-century astronomers considered them as either unresolved star clusters or extragalactic nebulae, but their true composition and natures remained a mystery....

Shell Formation in NGC474 "Results for object NGC 0474". NASA/IPAC Extragalactic Database. Retrieved 2026-07-12. Schirmer, Mischa. "NGC 474". Archived...

11, 2016. The Kormendy Relation, utexas.edu Schneider, Peter (2007). Extragalactic astronomy and cosmology: an introduction. Springer. p. 92. ISBN 9783540331759...

List of Abell clusters "NED results for object ABELL 1991". NASA/IPAC Extragalactic Database (NED). Retrieved March 17, 2012. Abell, George O.; Corwin,...

"NASA/IPAC Extragalactic Database". Results for NGC 2500. Retrieved 2010-05-13. "Distance Results for NGC 2500". NASA/IPAC Extragalactic Database. Retrieved...

of a barred spiral galaxy "Results for object NGC 1097". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 25 November 2006. "Feeding the...

and Lyman-beta emission. "NED search results for 4C 05.34". NASA/IPAC Extragalactic Database. Retrieved 2025-06-01. Lynds, R. (May 1970). "The Unusually...

milliarcseconds from each other. "NED Search results for PKS 1155+251". NASA/IPAC Extragalactic Database. Retrieved 2025-12-19. Yang, Xiaolong; Liu, Xiang; Yang, Jun;...