NGC 3943

NGC 3943
SDSS image of NGC 3943
Observation data (J2000 epoch)
ConstellationLeo
Right ascension11h 52m 56.6s[1]
Declination+20° 28′ 45″[1]
Redshift0.021745[1]
Heliocentric radial velocity6519 km/s[1]
Distance304 Mly (93.3 Mpc)[1]
Group or clusterNGC 3937 Group
Apparent magnitude (V)14.29[1]
Absolute magnitude (B)-17.91[1]
Characteristics
TypeS0/a[1]
Apparent size (V)1.1′ × 1.1′[1]
Other designations
MCG +04-28-084, PGC 037237[1]

NGC 3943 is a barred[2] lenticular galaxy, located 304 million light-years away[3] in the Leo constellation. It was discovered on April 27, 1865, by astronomer Heinrich d'Arrest.[4] NGC 3943 is a LINER galaxy,[5] and is a member of the NGC 3937 Group.[6][7]

NGC 3943 has a supermassive black hole with an estimated mass of 2.4 × 108 M.[8]

See also

References

  1. ^ a b c d e f g h i j "Results for object NGC 3943". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 21 June 2025.
  2. ^ Yoon, Yongmin; Im, Myungshin; Lee, Gwang-Ho; Lee, Seong-Kook; Lim, Gu (June 2019). "Observational evidence for bar formation in disk galaxies via cluster-cluster interaction". Nature Astronomy. 3 (9): 844–850. arXiv:1906.10585. Bibcode:2019NatAs...3..844Y. doi:10.1038/s41550-019-0799-7. ISSN 2397-3366.
  3. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2025-06-22.
  4. ^ "New General Catalog Objects: NGC 3900 - 3949". cseligman.com. Retrieved 2025-06-22.
  5. ^ "NGC 3943". simbad.u-strasbg.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. Bibcode:1978ApJ...222..784G. 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. arXiv:1503.03134. Bibcode:2015AJ....149..171T. 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.

Media related to NGC 3943 at Wikimedia Commons