NGC 4851
| Galaxy NGC 4851 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 58 m 21.7 s |
| declination | + 28 ° 08 ′ 56 ″ |
| Appearance | |
| Morphological type | S0 / S0 |
| Brightness (visual) | 14.2 / 15 mag |
| Brightness (B-band) | 15.2 / 16 mag |
| Angular expansion | 0.4 'x 0.2' / 0.3 'x 0.2' |
| Position angle | 112 ° / 100 ° |
| Surface brightness | 11.3 / 11.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.026221 ± 0.000040 |
| Radial velocity | 7861 ± 12 km / s |
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Stroke distance v rad / H 0 |
(352 ± 25) x 10 6 ly (107.9 ± 7.6) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | April 21, 1865 |
| Catalog names | |
| NGC 4851 • PGC 44439 & 83717 • | |
NGC 4851 is a pair of galaxies in the constellation Haar der Berenike in the northern sky . It consists of the two lens-shaped galaxies PGC 44439 ( type : S0) and PGC 83717 ( type : S0). It is estimated to be 352 million light years from the Milky Way .
The object was discovered on April 21, 1865 by Heinrich d'Arrest .