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NGC 3954
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| NGC 3954 | |
|---|---|
 SDSS image of NGC 3954 | |
| Observation data (J2000 epoch) | |
| Constellation | Leo |
| Right ascension | 11h 53m 41.66824s[1] |
| Declination | +20° 52′ 56.9871″[1] |
| Redshift | 0.023196[2] |
| Heliocentric radial velocity | 6954 km/s[2] |
| Distance | 324 Mly (99.2 Mpc)[2] |
| Group or cluster | NGC 3937 Group |
| Apparent magnitude (V) | 14.65[2] |
| Absolute magnitude (B) | -22.84[2] |
| Characteristics | |
| Type | E?[2] |
| Size | ~141,600 ly (43.41 kpc) (estimated)[2] |
| Apparent size (V) | 0.6′ × 0.6′[2] |
| Other designations | |
| UGC 6866, MCG +04-28-091, PGC 37291[2] | |
NGC 3954 is an elliptical galaxy located 324 million light-years away[3] in the Leo constellation. It was discovered on April 26, 1785, by the astronomer William Herschel.[4] NGC 3954 is a LINER galaxy,[5] and is a member of the NGC 3937 Group.[6][7]
NGC 3954 has a supermassive black hole with an estimated mass of 4.8 × 108 M☉.[8]
See also
[edit]References
[edit]- ^ a b Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics. 649: A1. arXiv:2012.01533. Bibcode:2021A&A...649A...1G. doi:10.1051/0004-6361/202039657. S2CID 227254300. (Erratum: doi:10.1051/0004-6361/202039657e).
- ^ a b c d e f g h i "Results for object NGC 3954". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 21 June 2025.
- ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2025-06-21.
- ^ Seligman, Courtney. "New General Catalog Objects: NGC 3950 - 3999". cseligman.com. Retrieved 2022-12-27.
- ^ "NGC 3954". simbad.cds.unistra.fr. Retrieved 2025-06-22.
- ^ 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.
- ^ Tully, R. Brent (2015-04-28). "Galaxy Groups: A 2Mass Catalog". The Astronomical Journal. 149 (5): 171. arXiv:1503.03134. Bibcode:2015AJ....149..171T. doi:10.1088/0004-6256/149/5/171. ISSN 1538-3881.
- ^ 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.
External links
[edit]
Media related to NGC 3954 at Wikimedia Commons
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