| NGC 4540 | |
|---|---|
 Hubble Space Telescope image of NGC 4540. | |
| Observation data (J2000epoch) | |
| Constellation | Coma Berenices |
| Right ascension | 12h 34m 50.9s[1] |
| Declination | 15° 33′ 06″[1] |
| Redshift | 0.004306[1] |
| Heliocentric radial velocity | 1291 km/s[1] |
| Distance | 64Mly[2] |
| Group orcluster | Virgo Cluster |
| Apparent magnitude (V) | 12.44[1] |
| Characteristics | |
| Type | SAB(rs)cd,Sy1[1] |
| Size | ~39,120 ly (estimated)[1] |
| Apparent size (V) | 1.9 x 1.5[1] |
| Other designations | |
| PGC 41876,UGC 7742,IRAS 12323+1549,MCG 3-32-74, CGCG 99-93, VCC 1588[1] | |
NGC 4540 is aspiral galaxy withtype 1 Seyfertactivity[3] located about 64 millionlight-years away[4] in the constellationComa Berenices.[5] NGC 4540 was discovered by astronomerWilliam Herschel on March 21, 1784[6] and is a member of theVirgo Cluster.[7][8]
Media related toNGC 4540 at Wikimedia Commons | Thisspiral galaxy article is astub. You can help Wikipedia byexpanding it. |
