NGC 3954

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NGC 3954
NGC3954 - SDSS DR14.jpg
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]

Contents

NGC 3954 has a supermassive black hole with an estimated mass of 4.8 × 108 M☉. [8]

See also

References

  1. 1 2 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).
  2. 1 2 3 4 5 6 7 8 9 "Results for object NGC 3954". NASA/IPAC Extragalactic Database. NASA and Caltech . Retrieved 21 June 2025.
  3. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2025-06-21.
  4. ↑ Seligman, Courtney. "New General Catalog Objects: NGC 3950 - 3999". cseligman.com. Retrieved 2022-12-27.
  5. ↑ "NGC 3954". simbad.cds.unistra.fr. Retrieved 2025-06-22.
  6. ↑ Gregory, S. A.; Thompson, L. A. (1978-06-15). "The Coma/A1367 supercluster and its environs". The Astrophysical Journal. 222: 784. doi:10.1086/156198. ISSN   0004-637X.
  7. ↑ Tully, R. Brent (2015-04-28). "GALAXY GROUPS: A 2MASS CATALOG". The Astronomical Journal. 149 (5): 171. doi:10.1088/0004-6256/149/5/171. ISSN   1538-3881.
  8. ↑ 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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