IC 4857
| Galaxy IC 4857 / IC 4858 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 19 h 28 m 39.2 s |
| declination | -58 ° 46 ′ 05 ″ |
| Appearance | |
| Morphological type | SB (s) cd |
| Brightness (visual) | 13.1 mag |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 1.80 'x 1.2' |
| Position angle | 35 ° |
| Surface brightness | 13.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.015574 ± 0.000033 |
| Radial velocity | (4669 ± 10) km / s |
|
Stroke distance v rad / H 0 |
(205 ± 14) · 10 6 ly (63.0 ± 4.4) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | August 1901 |
| Catalog names | |
| IC 4857 • IC 4858 • PGC 63256 • ESO 142-012 • IRAS 19244-5852 • 2MASX J19283917-5846043 • LDCE 1323 NED091 | |
IC 4857 = IC 4858 is a bar-spiral galaxy of the Hubble type SBc in the constellation Peacock. It is an estimated 205 million light years from the Milky Way .
The object was discovered by DeLisle Stewart in August 1901 .