IC 4905
| Galaxy IC 4905 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 19 h 56 m 06.2 s |
| declination | -61 ° 13 ′ 16 ″ |
| Appearance | |
| Morphological type | Sa? |
| Brightness (visual) | 15.0 mag |
| Brightness (B-band) | 15.9 mag |
| Angular expansion | 1.40 × 0.3 |
| Position angle | 117 ° |
| Surface brightness | 13.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.053377 ± 0.000150 |
| Radial velocity | 16.002 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(711 ± 50) · 10 6 Lj (218.1 ± 15.3) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | August 15, 1901 |
| Catalog names | |
| IC 4905 • PGC 63828 • ESO 142-055 • 2MASX J19560588-6113161 • GALEX ASC J195605.82-611315.3 | |
IC 4905 is a spiral galaxy of Hubble type Sa? in the constellation Peacock in the southern sky . It is estimated to be 711 million light years away from the Milky Way and has a diameter of around 300,000 ly.
In the same area of the sky is the galaxy IC 4906 .
The object was discovered by DeLisle Stewart on August 15, 1901 .