IC 857
| Galaxy IC 857 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Berenike's hair |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 13 m 50.2 s |
| declination | + 17 ° 04 ′ 35 ″ |
| Appearance | |
| Morphological type | SB (s) b |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 0.90 × 0.7 |
| Position angle | 110 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.022579 ± 0.000030 |
| Radial velocity | 6769 ± 9 km / s |
|
Stroke distance v rad / H 0 |
(302 ± 21) · 10 6 ly (92.5 ± 6.5) Mpc |
| history | |
| discovery | Stephane Javelle |
| Discovery date | July 23, 1892 |
| Catalog names | |
| IC 857 • UGC 8310 • PGC 45983 • CGCG 101-010 • MCG + 03-34-006 • IRAS F13113 + 1720 • 2MASX J13135016 + 1704345 • GALEX ASC J131350.26 + 170434.9 • LDCE 950 NED002 | |
IC 857 is a bar-spiral galaxy of the Hubble type SBb in the constellation Coma Berenices in the northern sky . It is estimated to be 302 million light years away from the Milky Way and has a diameter of about 80,000 ly.
In the same area of the sky are the galaxies NGC 5053 , IC 858 , IC 859 , among others .
The object was discovered by Stéphane Javelle on July 23, 1892 .