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NGC 4558

NGC 4558
SDSS image of NGC 4558.
Observation data (J2000 epoch)
ConstellationComa Berenices
Right ascension12h 35m 52.6s[1]
Declination26° 59′ 32″[1]
Redshift0.026034[1]
Heliocentric radial velocity7805 km/s[1]
Distance360 Mly (110 Mpc)[1]
Apparent magnitude (V)14.7[1]
Absolute magnitude (B)-22.07[1]
Characteristics
TypeSB0[2]
Size~125,200 ly (38.40 kpc) (estimated)[1]
Apparent size (V)0.82′ × 0.72′[1]
Other designations
CGCG 159-023, MCG +05-30-028, PGC 041995[1]

NGC 4558 is a barred lenticular galaxy[2] located 360 million light-years away[3] in the constellation Coma Berenices. It was discovered on April 19, 1827, by astronomer John Herschel.[4] NGC 4558 is a member of a group of 12 galaxies known as [T2015] nest 100082, or the NGC 4555 Group,[5] and is part of the Coma Supercluster.[6]

NGC 4558 is host to a supermassive black hole with an estimated mass of 7.3 × 108 M☉.[7]

See also

References

  1. ^ a b c d e f g h i j "Results for object NGC 4558". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2025-07-18.
  2. ^ a b "NGC 4558". simbad.u-strasbg.fr. Retrieved 2025-07-18.
  3. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2025-07-18.
  4. ^ "New General Catalog Objects: NGC 4550 - 4599". cseligman.com. Retrieved 2025-07-18.
  5. ^ Tully, R. Brent (May 2015). "Galaxy Groups: A 2MASS Catalog". The Astronomical Journal. 149 (5): 171. arXiv:1503.03134. doi:10.1088/0004-6256/149/5/171. ISSN 0004-6256.
  6. ^ Jaffe, W.; Gavazzi, G. (February 1986). "Radio continuum survey of the coma/A1367 supercluster. II. 1.5 GHz observations of 396 CGCG galaxies". The Astronomical Journal. 91: 204–216. doi:10.1086/114001. ISSN 0004-6256.
  7. ^ Arzoumanian, Zaven; Baker, Paul T.; Brazier, Adam; Brook, Paul R.; Burke-Spolaor, Sarah; Becsy, Bence; Charisi, Maria; Chatterjee, Shami; Cordes, James M.; Cornish, Neil J.; Crawford, Fronefield; Cromartie, H. Thankful; Decesar, Megan E.; Demorest, Paul B.; Dolch, Timothy (2021-06-01). "The NANOGrav 11 yr Data Set: Limits on Supermassive Black Hole Binaries in Galaxies within 500 Mpc". The Astrophysical Journal. 914 (2): 121. arXiv:2101.02716. Bibcode:2021ApJ...914..121A. doi:10.3847/1538-4357/abfcd3. ISSN 0004-637X.

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