NGC 3857
| Galaxy NGC 3857 |
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|---|---|
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|
| SDSS recording | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 44 m 50.14 s |
| declination | + 19 ° 31 ′ 58.2 ″ |
| Appearance | |
| Morphological type | SA0 / a |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 15.1 mag |
| Angular expansion | 1 ′ × 0.6 ′ |
| Position angle | 42 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 1367 |
| Redshift | 0.020964 ± 0.000043 |
| Radial velocity | 6285 ± 13 km / s |
|
Stroke distance v rad / H 0 |
(279 ± 20) x 10 6 ly (85.4 ± 6.0) Mpc |
| history | |
| discovery | Édouard Jean-Marie Stephan |
| Discovery date | March 23, 1884 |
| Catalog names | |
| NGC 3857 • PGC 36548 • CGCG 97-117 • MCG + 03-30-084 • 2MASX J11445012 + 1931579 • LEDA 36548 • LDCE 836 NED030 | |
NGC 3857 is a lenticular galaxy of Hubble type S0 in the constellation Leo. It is an estimated 279 million light years away from the Milky Way , has a diameter of about 80,000 ly, and is a member of the Leo galaxy cluster Abell 1367 .
The galaxies NGC 3859 , NGC 3862 , NGC 3868 and IC 2955 are located in the same area of the sky .
The object was discovered on March 23, 1884 by the French astronomer Édouard Stephan .