NGC 4054
| Galaxy NGC 4054 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 03 m 13.1 s |
| declination | + 57 ° 53 ′ 40 ″ |
| Appearance | |
| Morphological type | 1: S 2: C |
| Brightness (visual) | 1: 14.4 mag 2: 15.0 mag |
| Brightness (B-band) | 1: 15.2 mag 2: 16.0 mag |
| Angular expansion | 1: 0.5 '× 0.3' 2: 0.8 '× 0.7' |
| Position angle | 1: 85 ° 2: 144 ° |
| Surface brightness | 1: 12.2 mag 2: 14.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.034140 ± 0.000277 |
| Radial velocity | 10235 ± 83 km / s |
|
Stroke distance v rad / H 0 |
(461 ± 33) · 10 6 ly (141.4 ± 10.0) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 17, 1789 |
| Catalog names | |
| NGC 4054 • PGC 38078 • CGCG 292-062 • MCG + 10-17-131 • IRAS F12006 + 5810 • VV 136 • GC 2682 • H III 794 • LDCE 0856 NED012 | |
NGC 4054 is an interacting galaxy group, consisting of 3 galaxies, in the constellation Great Bear in the northern sky . The galaxy group is an estimated 461 million light years from the Milky Way .
The object was discovered by Wilhelm Herschel on April 17, 1789 .