NGC 3943

NGC 3943
SDSS image of NGC 3943
Observation data (J2000 epoch)
Constellation	Leo
Right ascension	11h 52m 56.6s [1]
Declination	+20° 28′ 45″ [1]
Redshift	0.021745 [1]
Heliocentric radial velocity	6519 km/s [1]
Distance	304  Mly (93.3  Mpc) [1]
Group or cluster	NGC 3937 Group
Apparent magnitude  (V)	14.29 [1]
Absolute magnitude  (B)	-17.91 [1]
Characteristics
Type	S0/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

• NGC 3937

References

1. "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.

External links

Media related to NGC 3943 at Wikimedia Commons