| NGC 3840 | |
|---|---|
SDSS image of NGC 3840
| |
| Observation data (J2000 epoch) | |
| Constellation | Leo |
| Right ascension | 11h43m 58.9s[1] |
| Declination | 20° 04′ 37″[1] |
| Redshift | 0.024590[1] |
| Heliocentric radial velocity | 7372 km/s[1] |
| Distance | 318 Mly (97.5 Mpc)[1] |
| Grouporcluster | Leo Cluster |
| Apparent magnitude (V) | 14.54[1] |
| Characteristics | |
| Type | Sa[1] |
| Size | ~105,400 ly (32.32 kpc) (estimated)[1] |
| Apparent size (V) | 1.1 x 0.8[1] |
| Other designations | |
| CGCG 97-91, IRAS 11413+2021, MCG 3-30-70, PGC 36477, UGC 6702[1] | |
NGC 3840 is a spiral galaxy[2] located about 320 million light-years away[3] in the constellation Leo.[4] The galaxy was discovered by astronomer Heinrich d'Arrest on May 8, 1864.[5] NGC 3840 is a member of the Leo Cluster.[6][7][8] The galaxy is rich in neutral atomic hydrogen (H I) and is not interacting with its environment.[9]
NGC 3840 is likely to be a low-luminosity AGN (LLAGN).[10]
Media related to NGC 3840 at Wikimedia Commons
