NGC 3988

NGC 3988
SDSS image of NGC 3988.
Observation data (J2000 epoch)
Constellation	Leo
Right ascension	11h 57m 24.2s [1]
Declination	27° 52′ 39″ [1]
Redshift	0.021788 [1]
Heliocentric radial velocity	6532 km/s [1]
Distance	304  Mly (93.1  Mpc) [1]
Apparent magnitude  (V)	14.3 [1]
Absolute magnitude  (B)	-21.88 [1]
Characteristics
Type	E [1]
Size	~80,400  ly (24.64  kpc) (estimated) [1]
Apparent size  (V)	0.81′ × 0.70′ [1]
Other designations
CGCG 157-061, MCG +05-28-057, PGC 037609 [1]

NGC 3988 is a compact elliptical galaxy located 304 million light-years away ^[2] in the constellation Leo. It was discovered on April 13, 1831, by astronomer John Herschel. ^[3] NGC 3988 is a field galaxy, ^[4] and is part of the Coma Supercluster. ^{[4] [5]}

NGC 3988 is host to a supermassive black hole with an estimated mass of 7.3 × 10⁸ M_☉. ^[6]

See also

• Coma Supercluster

References

1. "Results for object NGC 3988". NASA/IPAC Extragalactic Database. NASA and Caltech . Retrieved 2025-07-09.
2. "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2025-07-09.
3. "New General Catalog Objects: NGC 3950 - 3999". cseligman.com. Retrieved 2025-07-09.
4. Gregory, S. A.; Thompson, L. A. (1978-06-15). "The Coma/A1367 supercluster and its environs". The Astrophysical Journal. 222: 784. Bibcode:1978ApJ...222..784G. doi:10.1086/156198. ISSN   0004-637X.
5. Mahajan, Smriti; Singh, Ankit; Shobhana, Devika (August 2018). "Ultraviolet and optical view of galaxies in the Coma supercluster". Monthly Notices of the Royal Astronomical Society. 478 (4): 4336–4347. arXiv: 1805.09029 . Bibcode:2018MNRAS.478.4336M. doi: 10.1093/mnras/sty1370 . ISSN   0035-8711.
6. 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.