| NGC 3861 | |
|---|---|
 SDSS image of NGC 3861 andMCG +03-30-094 (galaxy at the lower left). | |
| Observation data (J2000epoch) | |
| Constellation | Leo |
| Right ascension | 11h 45m 03.9s[1] |
| Declination | 19° 58′ 25″[1] |
| Redshift | 0.016982[1] |
| Heliocentric radial velocity | 5091 km/s[1] |
| Distance | 310 Mly (95.1 Mpc)[1] |
| Group orcluster | Leo Cluster |
| Apparent magnitude (V) | 13.7[1] |
| Characteristics | |
| Type | (R')SAB(r)b[1] |
| Size | ~224,000 ly (68.8 kpc) (estimated)[1] |
| Apparent size (V) | 2.53 x 0.99[1] |
| Other designations | |
| CGCG 97-129, IRAS 11424+2015, KCPG 299A, MCG 3-30-93, PGC 36604, UGC 6724[1] | |
NGC 3861 is a large[2]barred spiral galaxy[3][4] with aring-like structure[3] located about 310 millionlight-years away[5] in the constellationLeo.[6] It was discovered by astronomerJohn Herschel on March 23, 1827.[7] NGC 3861 is a member of theLeo Cluster and has a normal amount ofneutral hydrogen (H I) andionised hydrogen (H II).[2]
NGC 3861 is a low luminositytype II Seyfert galaxy.[8] However, it is also classified as aLINER galaxy.[9][10]
On March 7, 2014, atype Ia supernova designated asSN 2014aa was discovered in NGC 3861.[11][12][13]