NGC 3940
Galaxy in the constellation Leo
From Wikipedia, the free encyclopedia
NGC 3940 is an elliptical galaxy, located 300 million light-years away[2] in the Leo constellation. It was discovered on April 26, 1785, by astronomer William Herschel.[3] NGC 3940 is a member of the NGC 3937 Group.[4][5]
| NGC 3940 | |
|---|---|
SDSS image of NGC 3940 | |
| Observation data (J2000 epoch) | |
| Constellation | Leo |
| Right ascension | 11h 52m 46.4s[1] |
| Declination | +20° 59′ 21″[1] |
| Redshift | 0.021415[1] |
| Heliocentric radial velocity | 6420 km/s[1] |
| Distance | 300 Mly (91.9 Mpc)[1] |
| Group or cluster | NGC 3937 Group |
| Apparent magnitude (V) | 13.8[1] |
| Absolute magnitude (B) | -22.87[1] |
| Characteristics | |
| Type | E[1] |
| Size | ~172,800 ly (52.97 kpc) (estimated)[1] |
| Apparent size (V) | 1.7′ × 1.6′[1] |
| Other designations | |
| UGC 06852, MCG +04-28-082,PGC 037224[1] | |
NGC 3940 has a supermassive black hole with an estimated mass of 5 × 108 M☉.[6]
