NGC 3558
| NGC 3558 | |
|---|---|
HST image of NGC 3558 and LEDA 83465. | |
| Observation data (J2000 epoch) | |
| Constellation | Ursa Major |
| Right ascension | 11h 10m 55.9s |
| Declination | 28° 32′ 38″ |
| Redshift | 0.032139 |
| Heliocentric radial velocity | 9635 km/s |
| Distance | 440 Mly (135 Mpc) |
| Group or cluster | Abell 1185 |
| Apparent magnitude (V) | 14.3 |
| Characteristics | |
| Type | E2, S0p |
| Size | ~170,000 ly (53 kpc) (estimated) |
| Apparent size (V) | 0.97 x 0.86 |
| Other designations | |
| CGCG 155-89, CGCG 156-10, MCG 5-27-8, Mrk 422, PGC 33960 | |
NGC 3558 is an elliptical or a lenticular galaxy located 440 million light-years away in the constellation Ursa Major. It was discovered by the astronomer Heinrich d'Arrest on April 15, 1866. It is a member of the galaxy cluster Abell 1185 and is classified as a LINER galaxy.