designated Alpha Hydrae. It is an orange giant of magnitude 2.0, 177 light-years from Earth. Its traditional name means "the solitary one". Beta Hydrae is a blue-white...

Epsilon Hydrae, Delta Hydrae, Sigma Hydrae, Eta Hydrae, Rho Hydrae, Zeta Hydrae, Omega Hydrae and Theta Hydrae Consequently, Epsilon Hydrae itself is...

consisting of Upsilon1 Hydrae, Lambda Hydrae, Mu Hydrae, HD 87344, Kappa Hydrae and Phi1 Hydrae. Consequently, Upsilon1 Hydrae itself is known as 張宿一...

constellation of Hydra. It has the Bayer designation Alpha Hydrae, which is that is Latinized from α Hydrae, and abbreviated Alpha Hya or α Hya. It is a giant...

designation b Hydrae refers to three different stars in the constellation Hydra: b1 Hydrae, (3 Crateris, HD 93397), an F-type main-sequence star b2 Hydrae, (5 Crateris...

designation υ Hydrae (Latinised to Upsilon Hydrae; abbreviated υ Hya, Ups Hya) is shared by two stars in the constellation of Hydra: υ1 Hydrae (also named...

Tau1 Hydrae is a triple star system in the equatorial constellation of Hydra. Based upon the annual parallax shift of the two visible components as seen...

Hydrae and A Hydrae are distinct. Due to technical limitations, both designations link here. For the star a Hydrae, see 6 Hydrae (HR 3431) A Hydrae,...

The Bayer designation Phi Hydrae (φ Hya / φ Hydrae) is shared by three star systems, in the constellation Hydra: φ1 φ2 φ3 The three stars form a triangle...

27 Hydrae is a triple star system in the equatorial constellation of Hydra, located 222 light years away from the Sun. It is visible to the naked eye as...

μ Hydrae, Latinised as Mu Hydrae, is a solitary, orange-hued star in the equatorial constellation of Hydra. It is visible to the naked eye with an apparent...

asterism consisting of δ Hydrae, σ Hydrae, η Hydrae, ρ Hydrae, ε Hydrae, ζ Hydrae, ω Hydrae and θ Hydrae Consequently, δ Hydrae itself is known as 柳宿一 (Liǔ...

Gamma Hydrae, Latinized from γ Hydrae formally named Naga, is a binary star in the equatorial constellation of Hydra. It has an apparent visual magnitude...

Pi Hydrae, Latinized from π Hydrae, is a star in the constellation Hydra with an apparent visual magnitude of 3.3, making it visible to the naked eye...

TW Hydrae is a T Tauri star approximately 196 light-years away in the constellation of Hydra (the Sea Serpent). TW Hydrae is about 80% of the mass of the...

Iota Hydrae, formally named Ukdah /ˈʌkdə/, is a star in the constellation of Hydra, about 8° to the north-northwest of Alphard (Alpha Hydrae) and just...

of Sigma Hydrae, Delta Hydrae, Eta Hydrae, Rho Hydrae, Epsilon Hydrae, Zeta Hydrae, Omega Hydrae and Theta Hydrae. Consequently, Sigma Hydrae itself is...

Phi3 Hydrae (φ3 Hya) is a binary star in the equatorial constellation of Hydra. It originally received the Flamsteed designation of 2 Crateris before being...

asterism consisting of ζ Hydrae, δ Hydra, σ Hydrae, η Hydrae, ρ Hydrae, ε Hydrae, ω Hydrae and θ Hydrae Consequently, ζ Hydrae itself is known as 柳宿六 (Liǔ...

54 Hydrae, also known by its Bayer designation m Hydrae, is a binary star 99 light-years from Earth, easily divisible in small amateur telescopes. The...

V Hydrae (V Hya) is a carbon star in the constellation Hydra. It is so-far the only star discovered in the Milky Way galaxy to have plasma ejections/eruptions...

asterism consisting of η Hydrae, δ Hydra, σ Hydrae, ρ Hydrae, ε Hydrae, ζ Hydrae, ω Hydrae and θ Hydrae Consequently, η Hydrae itself is known as 柳宿三 (Liǔ...

The Bayer designation Tau Hydrae (τ Hya, τ Hydrae) is shared by two star systems in the equatorial constellation of Hydra. The two stars are separated...

EX Hydrae is an eclipsing intermediate polar (DQ Herculis) -type cataclysmic variable star that also undergoes eclipses. The system varies in apparent...

asterism consisting of ρ Hydrae, δ Hydra, σ Hydrae, η Hydrae, ε Hydrae, ζ Hydrae, ω Hydrae and θ Hydrae Consequently, ρ Hydrae itself is known as 柳宿四 (Liǔ...

R Hydrae, abbreviated R Hya, is a single star in the equatorial constellation of Hydra, about 2.7° to the east of Gamma Hydrae. It is a Mira-type variable...

κ Hydrae, Latinised as Kappa Hydrae, is a solitary star in the equatorial constellation of Hydra. Its apparent visual magnitude is 5.06, which is bright...

9 Hydrae is a single star in the equatorial constellation of Hydra, located 205 light years away from the Sun. It is visible to the naked eye as a faint...

Nu Hydrae, Latinized from ν Hydrae, is an orange-hued star in the constellation Hydra, near the border with the neighboring constellation of Crater. It...

TW Hydrae b is a likely Neptune-like extrasolar planet orbiting at a distance of nearly 22 AU from the young T Tauri star TW Hydrae approximately 176 light-years...

U Hydrae is a single star in the equatorial constellation of Hydra, near the northern constellation border with Sextans. It is visible to the naked eye...

Theta Hydrae, Latinized from θ Hydrae, is a binary star system in the constellation Hydra. It is visible to the naked eye with an apparent visual magnitude...

Hydrae, ι Hydrae and 33 Hydrae (A Hydrae) were traditionally known as Ukdah, Arabic for "knot". The name Ukdah is now officially applied to ι Hydrae....

Omega Hydrae, Latinised from ω Hydrae, is a golden-hued star in the equatorial constellation of Hydra, located to the west-southwest of the brighter star...

Upsilon2 Hydrae, Latinised from υ2 Hydrae, is a solitary star in the equatorial constellation of Hydra. Visible to the naked eye, it is photometrically...

Beta Hydrae, Latinized from β Hydrae, is a double star in the equatorial constellation of Hydra. Historically, Beta Hydrae was designated 28 Crateris...

HS Hydrae is a triple star system in the equatorial constellation of Hydra. The inner pair were an eclipsing binary during the period 1920 until 2019,...

Chi1 Hydrae (χ1 Hydrae) is a binary star in the equatorial constellation of Hydra. It originally received the Flamsteed designation of 9 Crateris before...

λ Hydrae, Latinised as Lambda Hydrae, is a spectroscopic binary star in the constellation Hydra. Its apparent magnitude is 3.61 Located around 33.3 parsecs...

Phi1 Hydrae, Latinized from φ1 Hydrae, is a yellow-hued star in the constellation Hydra. Its apparent magnitude is 7.61, making it too faint to be seen...

V361 Hydrae is a hot subdwarf variable star, the prototype of a class of pulsating variables. It is very approximately 2,200 parsecs away in the constellation...

58 Hydrae, also named Solitaire, is a single star in the equatorial constellation of Hydra, located around 290 light years away from the Sun based on parallax...

27m 35.25s −08° 39′ 31.3″ 1.99 −1.69 177 K3III Alfard, Kalbelaphard, Cor Hydrae, Soheil al Fard, Soheil Solitarius γ Hya γ 46 345 115659 64962 13h 18m 55...

F Hydrae, also known as HD 74395, is a star in the constellation Hydra with an apparent magnitude is 4.64. It was catalogued as 31 Monocerotis, but this...

The Bayer designation Chi Hydrae (χ Hya / χ Hydrae) is shared by two star systems, in the constellation Hydra: χ1, HR 4314 χ2, HR 4317 This set index article...

WISE 0855−0714 (full designation WISE J085510.83−071442.5, or W0855 for short) is a brown dwarf of spectral class Y4, located 7.4 light-years (2.3 parsecs)...

51 Hydrae is a single star in the equatorial constellation of Hydra, located 170 light years away from the Sun. It has the Bayer designation k Hydrae; 51...

Hydrae is a single variable star in the equatorial constellation of Hydra. It is sometimes identified as Gl 355 from the Gliese Catalogue; LQ Hydrae is...

6 Hydrae is a single star in the equatorial constellation of Hydra, located 373 light-years away from the Sun. It has the Bayer designation a Hydrae; 6...

C Hydrae is a single star in the equatorial constellation of Hydra, located 122 light years away from the Sun. It has the Flamsteed designation 30 Monocerotis...

52 Hydrae is a triple star system in the constellation Hydra. It has the Bayer designation l Hydrae; 52 Hydrae is the Flamsteed designation. This system...

Chi2 Hydrae, Latinised from χ2 Hydrae, is a binary star system in the equatorial constellation of Hydra. Based upon an annual parallax shift of 4.6 mas...

stars in the constellation Hydra: δ, ε, η, ρ, and σ Hydrae. The main star (yogatara) is ε Hydrae, which has the modern name Ashlesha after the nakshatra...

Omicron Hydrae (ο Hya) is the Bayer designation for a solitary star in the equatorial constellation Hydra. At one time it bore the Flamsteed designation...

those of more than half of T Tauri stars such as AA Tauri as well as TW Hydrae, IRC +10216 and APM 08279+5255, VY Canis Majoris and S Persei. Liquid water...

Phi2 Hydrae, Latinized from φ2 Hydrae, is a star in the constellation Hydra. It originally received the Flamsteed designation of 1 Crateris before being...

HD 92945 A light curve for V419 Hydrae, plotted over one 13.47 day period, from TESS data Observation data Epoch J2000      Equinox ICRS Constellation...

KU Hydrae is a binary star in the constellation Hydra. The primary star is an Alpha2 Canum Venaticorum variable with its apparent magnitude varying from...

defines the phylum Cnidaria, which also includes the corals, sea anemones, hydrae, and jellyfish. Cnidocytes are single-use cells that need to be continuously...

12 Hydrae is a probable astrometric binary star system located 205 light years away from the Sun in the equatorial constellation of Hydra. It has the Bayer...

Xi Hydrae, Latinised from ξ Hydrae, is a solitary star in the equatorial constellation of Hydra. With an apparent magnitude of 3.54 it is visible to the...

Rapidly oscillating Ap stars (roAp stars) are a subtype of the Ap star class that exhibit short-timescale rapid photometric or radial velocity variations...

Beuermann, K.; Reinsch, K. (2024). "Current and secular accretion rates of EX Hydrae". Astronomy and Astrophysics. 687: A273. arXiv:2412.13850. Bibcode:2024A&A...

Mrigashīrsha Ārdrā (Betelgeuse) Punarvasu (Castor and Pollux) Pushya Asleshā (ε Hydrae) Maghā (Regulus) Purva Phalguni (Zosma and Chertan) Uttara Phalguni (Denebola)...

the Flamsteed designation 20 Crateris and the Gould designation 289 G. Hydrae; the former refers to the constellation Crater, since Flamsteed numbered...

Psi Hydrae (ψ Hydrae) is a star system in the equatorial constellation of Hydra. Based upon an annual parallax shift of 14.09 mas as seen from Earth, it...

HD 83953 (I Hydrae) is a single, blue-white hued star in the equatorial constellation of Hydra. It is visible to the naked eye, having an apparent visual...

Jupiter masses. The planetary-mass objects are probably a part of the TW Hydrae association which has an age of approximately 10 million years. The planetary-mass...

26 Hydrae is a binary star system located 334 light years away from the Sun in the equatorial constellation of Hydra. It is visible to the naked eye as...

The TW Hydrae association is a group of very young low-mass stars and substellar objects located approximately 25–75 parsecs (80–240 light years) from...

Aquilae A is named Antinous from the former constellation Antinous. 58 Hydrae is named Solitaire from the former constellation Turdus Solitarius. 44 Boötis...

W Hydrae is a Mira-type variable star in the constellation Hydra. The star is nearly located within the Solar neighborhood, at 320 light years from the...

b3 Hydrae (6 Crateris) is a star in the constellation Hydra at a distance of approximately 98 light-years (about 30 parsecs) from the Sun. It has three...

discovered in 1999 with a spectral type of M1 and as a member of the TW Hydrae association. The detection of molecular hydrogen is interpreted as a weak...

(2002). "Starspots and active regions on the emission red dwarf star LQ Hydrae". Astronomy and Astrophysics. 396: 203–211. Bibcode:2002A&A...396..203A...

see it in a few of the several thousand Mira stars known, possibly in R Hydrae. Most Mira variables do exhibit slight cycle-to-cycle changes in period...

b1 Hydrae is a main-sequence star in the constellation of Hydra with an apparent magnitude of 5.42. Roman, Nancy G. (1987). "Identification of a constellation...

unpredictably by up to 0.13 magnitudes. It has been classified as a V361 Hydrae variable, but also as a V1093 Herculis variable, which typically has slower...

Kellogg, Kendra (11 April 2016). "The Nearest Isolated Member of the TW Hydrae Association is a Giant Planet Analog". Astrophysical Journal Letters. 821...

150 light-years (45 parsecs) away. The system is located within the TW Hydrae association (TWA), and has received the designation TWA 4. The system consists...

designation, V391 Pegasi, in 2003. It is a pulsating variable star of the V361 Hydrae type (or also called sdBVr type). Subdwarf B stars such as V391 Pegasi are...

HD 70573 A light curve for V478 Hydrae, plotted from TESS data Observation data Epoch J2000.0      Equinox ICRS Constellation Hydra Right ascension 08h...

astronomers detected methanol in a planet-forming disc around the young star TW Hydrae using the Atacama Large Millimeter Array radio telescope. In their embalming...

million-year-old Eta Chamaeleontis moving group, ~8 million-year-old TW Hydrae association, ~12 million-year-old Beta Pictoris moving group, and possibly...

Variable star Other name Constellation Distance (ly) V361 Hydrae EC 14026-2647 Hydra 2,630 V1093 Herculis GSC 03081-00631 Hercules 2,861 HW Virginis* HIP...

Scorpionis South: The Vermilion Bird (Summer solstice)—Huo (Fire 火), α Hydrae West: The White Tiger (Autumn equinox)—Mǎo (Hair 毛), η Tauri (the Pleiades)...

Albireo Double star 3.10 Zeta Hydrae Star 3.11 3.05 Eta Sagittarii Binary star system 3.11 Alpha Indi Star 3.11 Nu Hydrae Star 3.11 Kappa Centauri Binary...

Mira, was discovered in the 17th century, followed by Chi Cygni then R Hydrae. By 1786, ten had been documented. Variable star discovery increased rapidly...

/ˈælnᵻtæk/ Alniyat σ Scorpii Aa1 Scorpius Arabic /ælˈnaɪæt/ Alphard α Hydrae Hydra Arabic /ˈælfɑːrd/ Alphecca α Coronae Borealis A Corona Borealis Arabic...

(gene), which encodes the enzyme alpha-N-acetylgalactosaminidase Gamma Hydrae, a binary star system with the primary having the modern name Naga All pages...

86–2.13var) Polaris α Ursae Minoris 0430 F7 Ib Northern 48 2.00 Alphard α Hydrae 0180 K3 II-III Southern 49 2.00 Hamal α Arietis 0066 K1 IIIb Northern 50...

(of Hydra), which included the stars from β Crateris westward through κ Hydrae. According to the catalogue of stars in the Technical Memorandum 33-507...

HD 72561 is a star in the constellation Hydra. Its apparent magnitude is 5.867. Based on parallax shift, it is located about 1,600 light-years (500 parsecs)...

17 Crateris is a wide binary star system in the equatorial constellation of Hydra, located 90.5 light years away from the Sun. It is visible to the naked...

terrestrial planets, if found in the system, may be volatiles-rich. TW Hydrae 196 ± 5 Young star with protoplanetary disk containing detected clouds of...

magnitude Period (in days) Spectral type SX Phoenicis 6.76 7.53 0.055 A2V KZ Hydrae 9.46 10.26 0.060 B9III/IV DY Pegasi 10.00 10.56 0.073 F5 CY Aquarii 10.42...

Mamajek (2005). "A Moving Cluster Distance to the Exoplanet 2M1207b in the TW Hydrae Association". The Astrophysical Journal. 634 (2): 1385–1394. arXiv:astro-ph/0507416...

Port-Royal, a 17th-century French community The proper name of the star 58 Hydrae Solitaire Townsend All pages with titles beginning with Solitaire All pages...

restore Kalas's free will. Malpercio and Melodia refuge themselves into Cor Hydrae, an ancient fortress also unsealed by the five End Magnus. Kalas, guilty...

giant Kappa Gruis and the M-class stars 27 Cancri, Alpha Vulpeculae and RT Hydrae. List of stellar streams Ibata, Rodrigo; Gibson, Brad (April 2007). "The...

Formerly part of the GAYA (Great Austral Young Association) TW Hydrae association TW Hydrae Hydra 160 10 Carina Association Carina 200 45 Formerly part of...

HD 81799 (G Hydrae) is a suspected astrometric binary star system in the equatorial constellation of Hydra. It is visible to the naked eye with an apparent...

Infrared image and artist's concept of the bow shock around R Hydrae...

This group includes besides Zeta Herculis: δ Trianguli, ζ Reticuli, 1 Hydrae, Gl 456, Gl 678, and Gl 9079. In 1998, using the European Southern Telescope...

A near-infrared light curve for V421 Hydrae (Kelu-1), adapted from Clarke et al. (2002)...

HD 98800 is a quadruple star system located in the TW Hydrae association....

also Bi (jade) and Cong (jade) Zhang, the proper name of the star Upsilon¹ Hydrae Zang (disambiguation) This disambiguation page lists articles associated...

the spectral type of A7V, as opposed to the slow-rotating standard star 2 Hydrae. It is also a Delta Scuti variable, and its apparent magnitude varies from...

6 light years from the Sun based on parallax. It has the Bayer designation h Hydrae. This is an aging giant star with a stellar classification of K2–3III. It...

(2002). "Starspots and active regions on the emission red dwarf star LQ Hydrae". Astronomy and Astrophysics. 396: 203–211. Bibcode:2002A&A...396..203A...

bovinum and Cor triatriatum, heart disease and defect Cor Caroli and Cor Hydrae, stars Cor Serpentis, 1958 science fiction short story Pontifical Council...

Scorpion 3 1889 1889 Mato Grosso do Sul Alpha Hydrae (Alphard) Hydra, the Water Serpent 2 1979 1960 Acre Gamma Hydrae Hydra, the Water Serpent 3 1962 1968 São...

supergiant star. One of the closest core-collapse supernova candidates. Beta Hydrae A 310 ± 20 Hydra B9IIIp Si 4.29 B kB8hB8HeA0VSi Beta¹ Sagittarii (Arkab...

Sigma Librae (Brachium) 261.0+5.25 −6.26 Libra M2.5III 3.20 - 3.46 Iota Hydrae (Ukdah) 263 ± 3 Hydra K2.5 III 3.91 HJ 2814 B 263.5 ± 0.9 Serpens G0V 8...

heliosphere. In 2006, a far infrared bow shock was detected near the AGB star R Hydrae. Bow shocks are also a common feature in Herbig Haro objects, in which a...

discovery. They found a forming planet around a young star called TW Hydrae. The TW Hydrae, approximately 10 million years old, is found in the Hydra constellation...

Gliese 357 d HD 72659 b HD 74156 b c HD 82943 b c HD 86226 b HD 86264 b TW Hydrae b (unconfirmed) WASP-193b Star clusters Messier 48 Messier 68 NGC 5694 Price-Whelan...

(スタジアム跡☆) 2:07 9. "Stadium Mark ★" (スタジアム跡★) 1:43 10. "Col Hydrae ☆" (コル・ヒドラエ遺跡☆) 2:57 11. "Col Hydrae ★" (コル・ヒドラエ遺跡★) 1:51 12. "Mintakah Valley ☆" (ミンタカ渓谷☆)...

discovery, the comet was an 8th-magnitude object visually located 10° west of α Hydrae, moving east across the sky at around 1° per day; acceleration of the comet...

3 M L 254-34 90.3 M WT 2132 90.3 M HD 146946 90.3 F9V HD 82943 (164 G. Hydrae) 90.31 ± 0.07 Hydra 09h 34m 50.735s −12° 07′ 46.37″ F9 V Fe+0.5 6.54 36...

(abbreviated WISEA 1147) is a sub-brown dwarf or rogue planet in the TW Hydrae association, a nearby group of very young stars and brown dwarfs. The object...

78 B F0V Beta Gruis (Tiaki) 177 ± 4 Grus M4.5 III 2.146 Alphard (Alpha Hydrae) 177 ± 8 Hydra K3IIIa +2.00 Acubens (Alpha Cancri) 178 ± 3 Cancer kA7VmF0/2III/IVSr...

and the location of the system suggests that it may be a member of the TW Hydrae association of stars that share a common origin. A low-mass member of this...

hottest; binary α Psc (Alrescha) Pisces 3.82 3.83 0.01 A2IVp(Sr) Binary β Hydrae A Hydra 1834 4.67 4.71 0.04 B8.5IIIp(Si) Hottest member; binary HD 187474...

Alphard is the proper name of the star α Hydrae. Alphard may also refer to: Toyota Alphard, a Japanese minivan Alphard (programming language), a Pascal-like...

875±39 K Metallicity [Fe/H] −0.18±0.07 dex Other designations Felis, 183 G. Hydrae[11], BD−18°2810, FK5 373, GC 13644, HD 85951, HIP 48615, HR 3923, SAO 155588...

WD 0343+247 129 ± 1 03h 46m 46.517s +24° 56′ 02.67″ DX13 +19.0 Epsilon Hydrae (Ashlesha) A 129 ± 5 Hydra 08h 46m 46.51223s +06° 25′ 07.6855″ G5 III 3...

Āshleshā – "the embrace" δ, ε "Āshleshā Nakshatra", η, ρ, and σ "Minchir" Hydrae Lord: Budh (Mercury) Symbol: Serpent Deity : Sarpas or Nagas, deified snakes...

III 4.11 107 Aquarii A (i² Aquarii) 202 ± 3 Aquarius F2 III 5.72 12 Hydrae (D Hydrae) 202 ± 8 Hydra G8 IIIb CN-1 4.32 HD 43197 (Amadioha) 203.6 ± 0.1 G8/K0...

on the inside of the bowl, leads to Regulus (α Leonis) and Alphard (α Hydrae). A mnemonic for this is "A hole in the bowl will leak on Leo." Extending...

space related names, such as Uranus Road, Mars Street, Neptune Street, Hydrae Street and Vega Street. Padstow within the City of Canterbury-Bankstown...

09.567s −66° 28′ 07.68″ K3III-IV 8.40 Has three confirmed exoplanets 1 Hydrae 88.23 ± 0.15 Hydra 08h 24m 35.14s −03° 45′ 04.2″ F6V 5.61 HD 144585 88.42...

NGC 4993 starmap near ψ Hydrae, near galaxies of NGC 4968, NGC 4970, NGC 5042, IC 4180, IC 4197...

V1298 Tauri 354 ± 2 Taurus K0-K1.5 10.31 - 10.43 Has 4 exoplanets. Rho Hydrae 354 ± 8 Hydra A0 Vn 4.34 HD 115587 356.2±0.5 G0 Has one known exoplanet...

located in the sky about 2 and a half degrees south-south east of Iota Hydrae and more than 6 degrees northeast of Alphard. A 10th magnitude star lies...

systems within 100 parsecs with protoplanetary disks, the others being TW Hydrae, HD 141569, and 49 Ceti. The two stars are still accreting matter from the...

Working Group on Star Names approved the name Solitaire for the star E Hydrae in 2024, after the obsolete constellation. Former constellations Fuller...

Gliese 357 d HD 72659 b HD 74156 b c HD 82943 b c HD 86226 b HD 86264 b TW Hydrae b (unconfirmed) WASP-193b Star clusters Messier 48 Messier 68 NGC 5694 Price-Whelan...

now in the equatorial constellation Hydra with the Bayer designation H Hydrae. It is located around 295 light-years away from the Sun and it is visible...

1976 Classical albedo feature name WGPSN Hydrae Chaos 5°54′S 300°02′E / 5.9°S 300.03°E / -5.9; 300.03 (Hydrae) 66 2014 Classical albedo feature name...

Vela KV ADS 9544 56.4 ± 0.8 Serpens KV Gliese 727 56.4 ± 1 Aquila KV Tau¹ Hydrae 56.5 ± 2.2 Hydra 09h 29m 08.89655s −02° 46′ 08.2649″ F6V 4.59 Gliese 3833...

spectral type of M8, it is very young, and probably a member of the TW Hydrae association. Its estimated mass is around 25 Jupiter masses. The companion...

Herculis moving group of stars. This group includes: φ2 Pavonis, ζ Reticuli, 1 Hydrae, Gl 456, Gl 678, and GJ 9079. In Chinese astronomy, 天紀 (Tiān Jì), meaning...

informally known as the Head of Hydrus. This should not be confused with Alpha Hydrae (Alphard) in the constellation Hydra. Alpha Hydri is one of only three stars...

Executions (asterism), refers to an asterism consisting of σ Librae, 50 Hydrae, 3 Librae, 4 Librae and 12 Librae. Consequently, the Chinese name for σ...

detection of cold water vapor in the planet-forming disk of the star TW Hydrae. Both discoveries support the theory that the Earth's water may have originated...

signature, this object was determined to belong to the ~8-million-year-old TW Hydrae association, and the mass of the secondary was determined to be 8 ± 2 MJ...

HD 82943 (164 G. Hydrae) is a star with a pair of orbiting exoplanets in the equatorial constellation of Hydra. It has an apparent visual magnitude of...

Miaplacidus β Carinae quiet or still waters 222 S 70° 1.70 25 Alphard α Hydrae solitary star of the serpent 218 S 09° 2.00 26 Regulus α Leonis the prince...

Balantidium gyranus Balantidium haughwouti Balantidium helenae Balantidium hydrae Balantidium indicum Balantidium kirbyi Balantidium major Balantidium marsupialis...

Hydra consisting of the stars Delta, Epsilon, Zeta, Eta, Rho and Sigma Hydrae. Orion's Belt consists of the three bright stars Zeta (Alnitak), Epsilon...

drive stellar feedback. As a target of opportunity, ASTHROS will observe TW Hydrae. "NASA Mission Will Study the Cosmos With a Stratospheric Balloon". Jet...

this is its rotational period, and has the variable star designation LW Hydrae. When observed in ultraviolet wavelengths by the International Ultraviolet...

resolved circumstellar disks examples of other protoplanetary disks: TW Hydrae AB Aurigae IM Lupi NASA’s Hubble Reveals Largest Found Chaotic Birthplace...

K0: η Cephei, κ Coronae Borealis, δ Eridani, 55 Cancri A K1: γ Cephei, π Hydrae, φ Serpentis, δ Leporis Later analysis showed that some of these were blended...

Artist rendering of plasma ejections from V Hydrae...

6; -294.5 Hyblaeus Chasma 22°00′N 141°12′E / 22°N 141.2°E / 22; 141.2 Hydrae Chasma 6°48′S 62°00′W / 6.8°S 62.0°W / -6.8; -62.0 Ius Chasma 6°54′S...

Proxima Centauri b Pr0211 c Qatar-3b Qatar-4b Qatar-5b TRAPPIST-1 b c d TW Hydrae b V830 Tauri b 2MASS J11193254–1137466 AB 2MASS J2126–8140 as planet Discoveries...

Proxima Centauri b Pr0211 c Qatar-3b Qatar-4b Qatar-5b TRAPPIST-1 b c d TW Hydrae b V830 Tauri b 2MASS J11193254–1137466 AB 2MASS J2126–8140 as planet Discoveries...

Mamajek (2005). "A Moving Cluster Distance to the Exoplanet 2M1207b in the TW Hydrae Association". The Astrophysical Journal. 634 (2): 1385–1394. arXiv:astro-ph/0507416...

nearby stellar associations and moving groups β Pictoris moving Group TW Hydrae association Ursa Major Moving Group Zuckerman, B.; Song, I. (2004). "The...

a solar eclipse belongs to the Sun not to the Moon, and he discovered R Hydrae as a variable star. He also helped with the survey based on the Paris Meridian...

Alpha, and Gamma Crateris—form a triangle located near the brighter star Nu Hydrae in Hydra. Within the constellation's borders, there are 33 stars brighter...

I. Description of methods, and results for RS Chamaeleontis and chi 2 Hydrae". Astronomy and Astrophysics. 44: 445–458. Bibcode:1975A&A....44..445A....

typically one or a few days. The shortest-known period is 0.29 days (QY Hydrae); the longest is 198.5 days (W Crucis). In beta Lyrae systems with periods...

light-years (25 parsecs) distant from the Sun. It is a candidate member of the TW Hydrae association of co-moving stars. Zeta Aquilae's two components can be designated...

Proxima Centauri b Pr0211 c Qatar-3b Qatar-4b Qatar-5b TRAPPIST-1 b c d TW Hydrae b V830 Tauri b 2MASS J11193254–1137466 AB 2MASS J2126–8140 as planet Discoveries...

the constellation of Sextans. The star is classed as member of the V361 Hydrae type (or also called sdBVr type) class of pulsators in the field of asteroseismology...

(2002). "Starspots and active regions on the emission red dwarf star LQ Hydrae". Astronomy and Astrophysics. 396: 203–211. Bibcode:2002A&A...396..203A...

34.082 ± 0.005 9.465 M1V b 344 HR 3750 Hydra 101 ± 1 5.40 G1.5 348 Tau¹ Hydrae Hydra A:57.9 ± 0.5 B:58.91 ± 0.07 +4.59 (4.60 + 7.15) F6 V + ? + K0 351...

1227 31.06 ± 1.78 Draco M4.0V GJ 3380 31.075 Auriga M5V HR 4458 (289 G. Hydrae) B 31.164 ± 0.008 Hydra 11h 34m 29.48644s −32° 49′ 52.8228″ DC8 5.97 + 15...

VV Orionis, R Canis Majoris, SV Camelopardalis, ST Persei, RY Persei, VZ Hydrae". Contributions from the Princeton University Observatory. 22: 1–67.7. Bibcode:1946CoPri...

L/Teff V674 Cephei 999 L/Teff RSGC1-F09 (FMR2006 9) 996+210 −269 L/Teff CZ Hydrae 990 L/Teff IRAS 18111-2257 ~990 – 1,200 L/Teff Estimated based on the bolometric...

consisting of Alpha Crateris, Gamma Crateris, Zeta Crateris, Lambda Crateris, Nu Hydrae, Eta Crateris, Delta Crateris, Iota Crateris, Kappa Crateris, Epsilon Crateris...

Lacaille pendulum clock α Horologii 3.85 249 Hydra /ˈhaɪdrə/ Hya Hyda Hydrae ancient (Ptolemy) Hydra (mythological creature) Alphard 2.00 1303 Hydrus...

537S. Donati, J. -F. (January 1999), "Magnetic cycles of HR 1099 and LQ Hydrae", Monthly Notices of the Royal Astronomical Society, 302 (3): 457–481, Bibcode:1999MNRAS...

nearby stellar associations and moving groups AB Doradus moving group TW Hydrae association Mamajek, Eric E.; Bell, Cameron P. M. (2014). "On the age of...

Proxima Centauri b Pr0211 c Qatar-3b Qatar-4b Qatar-5b TRAPPIST-1 b c d TW Hydrae b V830 Tauri b 2MASS J11193254–1137466 AB 2MASS J2126–8140 as planet Discoveries...

romp through Shakespeare's four great tragedies (3m, 1f, winner of the Hydrae Prize 2003.) "Very witty, light and entertaining" (Royal Shakespeare Company)...

which is essential for the colonization of the ectodermal mucus layer of Hydrae. Enterococcus faecalis is an opportunistic, gram-positive bacteria that...

made observations of the variable stars 1072 Persei, 2100 Orionis, 4940 Hydrae, 5667 Coronae, 5912 Herculis, 6189 Ophiuchi, 6733 Scuti, and 7120 Cygni...

JSTOR 10.1086/673680.{{cite journal}}: CS1 maint: periodical has ISBN (link) Hydrae. Casa Museo Lope de Vega, casamuseolopedevega.org/en/lope-and-his-work/cronologia-en...

S2CID 17411999. Murphy, Simon J.; et al. (November 2015). "New members of the TW Hydrae Association and two accreting M-dwarfs in Scorpius–Centaurus". Monthly Notices...

Gliese 357 d HD 72659 b HD 74156 b c HD 82943 b c HD 86226 b HD 86264 b TW Hydrae b (unconfirmed) WASP-193b Star clusters Messier 48 Messier 68 NGC 5694 Price-Whelan...

Christopher J. (2000-08-01). "WFPC2 Images of a Face-on Disk Surrounding TW Hydrae". The Astrophysical Journal. 538 (2): 793–800. Bibcode:2000ApJ...538..793K...

(2025-11-10). "X-Ray Polarimetry of Accreting White Dwarfs: A Case Study of EX Hydrae". The Astrophysical Journal. 993 (2): 248. arXiv:2508.03412. Bibcode:2025ApJ...

around HD 163296. The abundance of methanol is lower when compared to TW Hydrae, likely due to a difference in stellar radiation. The water snowline has...

000 C 2,600,000 Sextans A 100 2,000 C 4,310,000 IRC +30374 2,000 C 3,900 IRC +60144 2,000 C 3,400 CZ Hydrae 2,000 C 7,200 SS Virginis 2,000 C-N4.5 2,100...

1126/sciadv.adu0627. Gizis, John E. (August 2002). "Brown Dwarfs and the TW Hydrae Association". The Astrophysical Journal. 575 (1): 484–492. arXiv:astro-ph/0204342...

are also candidates for directly imaged protoplanetary disks, such as TW Hydrae or directly imaged exoplanets, such as Beta Pictoris b or GU Psc b. A stellar...

النِّطَاق Zeta Orionis Alphard al-Fard the Solitary one الفرد الفَرْد Alpha Hydrae Alphecca (Nayyir) al-Fakkah (the Bright one of) the Broken (Ring) نير الفكة...

away from the Sun. This is most likely (98.7% chance) a member of the TW Hydrae association. This is a rapidly rotating A-type main-sequence star that is...

"Time resolved optical spectroscopy of the eclipsing intermediate polar EX Hydrae". Monthly Notices of the Royal Astronomical Society. 228 (2): 463–481. Bibcode:1987MNRAS...

Dwarfs in SDSS, 2MASS, and WISE: Discovery of a Possible L7 Member of the TW Hydrae Association". The Astronomical Journal. 150 (6): 182. arXiv:1510.08464....

Khouri, T.; et al. (March 2020), "Inner dusty envelope of the AGB stars W Hydrae, SW Virginis, and R Crateris using SPHERE/ZIMPOL", Astronomy & Astrophysics...

List of nearby stellar associations and moving groups Argus Association TW Hydrae association A stellar association – sometimes called a moving group – represents...

Song, B. Zuckerman; Bessell, M. S. (December 2003). "New Members of the TW Hydrae Association, β Pictoris Moving Group, and Tucana/Horologium Association"...

Gliese 357 d HD 72659 b HD 74156 b c HD 82943 b c HD 86226 b HD 86264 b TW Hydrae b (unconfirmed) WASP-193b Star clusters Messier 48 Messier 68 NGC 5694 Price-Whelan...

a. T.; Höfner, S.; Hron, J. (1 July 2024). "An impressionist view of V Hydrae - When MATISSE paints asymmetric giant blobs". Astronomy & Astrophysics...

formation and wind acceleration around the aluminum oxide-rich AGB star W Hydrae". Science Advances. 3 (11): id.eaao2149. Bibcode:2017SciA....3O2149T. doi:10...

8-inch telescope. The comet was then located three degrees southwest of π Hydrae, had an estimated magnitude of 12 and was diffuse. He confirmed his finding...

Christi imperterritus hostes Bella geras, libri sunt monumenta tui: His Hydræ fidei quotquot capita alta resurgunt, Tu novus Alcides tot resecare soles...

Lepanthes hughsonii Hespenh. & Dod Lepanthes hurgo Luer & Béhar Lepanthes hydrae Luer & L.Jost Lepanthes hymenoptera Luer & Hirtz Lepanthes hyphosa Luer...

daunger of pirates and rovers, which keepe ordinarily about a place called Hydræ and besides that, it is not richly stored and furnished with merchandise...

must be present. The mass of the central planet is estimated at 10 M🜨. TW Hydrae V4046 Sagittarii "MAST: Barbara A. Mikulski Archive for Space Telescopes"...

time TTS – (celestial object) T-Tauri star TWA – (celestial object) TW Hydrae Association TYC – (catalog) Tycho, a catalog that was the predecessor of...

Model-Theoretic Approach to Ordinal Analysis" (1997). M. Rathjen, W. Carnielli, "Hydrae and subsystems of arithmetic" (1991) Jeroen Van der Meeren; Rathjen, Michael;...

Waters, L. B. F. M. (March 2020). "Inner dusty envelope of the AGB stars W Hydrae, SW Virginis, and R Crateris using SPHERE/ZIMPOL". Astronomy and Astrophysics...

Gliese 357 d HD 72659 b HD 74156 b c HD 82943 b c HD 86226 b HD 86264 b TW Hydrae b (unconfirmed) WASP-193b Star clusters Messier 48 Messier 68 NGC 5694 Price-Whelan...

Gliese 357 d HD 72659 b HD 74156 b c HD 82943 b c HD 86226 b HD 86264 b TW Hydrae b (unconfirmed) WASP-193b Star clusters Messier 48 Messier 68 NGC 5694 Price-Whelan...

Gliese 357 d HD 72659 b HD 74156 b c HD 82943 b c HD 86226 b HD 86264 b TW Hydrae b (unconfirmed) WASP-193b Star clusters Messier 48 Messier 68 NGC 5694 Price-Whelan...

Lib 4 129433 71974 14h 43m 13.57s −24° 59′ 51.8″ 5.70 0.21 409 B9.5V 53 Hydrae Gliese 570 KX 131977 73184 14h 57m 27.35s −21° 24′ 55.7″ 5.72 6.86 19 K4V...

with a radial velocity of +4.8 km/s. It is a candidate member of the TW Hydrae stellar kinematic group. This is an F-type main-sequence star with a stellar...

Gómez-Zurita, 2021 Taophila hackae Platania & Gómez-Zurita, 2021 Taophila hydrae Samuelson, 2010 Taophila joliveti Samuelson, 2010 Taophila millei Samuelson...

This echoes the similar case of the disproven planet detection around TW Hydrae, which was also found to be due to stellar activity rather than orbital...

Gliese 357 d HD 72659 b HD 74156 b c HD 82943 b c HD 86226 b HD 86264 b TW Hydrae b (unconfirmed) WASP-193b Star clusters Messier 48 Messier 68 NGC 5694 Price-Whelan...