IC 4845
| Galaxy IC 4845 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 19 h 20 m 22.5 s |
| declination | -60 ° 23 ′ 21 ″ |
| Appearance | |
| Morphological type | SAB (rs) off |
| Brightness (visual) | 11.6 mag |
| Brightness (B-band) | 12.3 mag |
| Angular expansion | 1.50 'x 1.0' |
| Position angle | 87 ° |
| Surface brightness | 12.5 mag / arcmin² |
| Physical data | |
| Affiliation |
NGC 6769 group IC 4845 group LGG 427 |
| Redshift | 0.013155 ± 0.000032 |
| Radial velocity | 3944 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(173 ± 12) · 10 6 ly (52.9 ± 3.7) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | August 13, 1901 |
| Catalog names | |
| IC 4845 • ESO 141-054 • IRAS 19159-6028 • 2MASX J19202250-6023208 • SGC 191558-6029.0 • HIPASS J1920-60 • 2MASS J19202251-6023212 • LDCE 1323 NED083 | |
IC 4845 is a spiral galaxy of the Hubble type S / P in the constellation Peacock in the southern sky . It is around 173 million light years away from the Milky Way and has a diameter of around 80,000 light years .
In the same area of the sky are u. a. the galaxies NGC 6769 , NGC 6770 , NGC 6771 , IC 4842 .
The object was discovered by DeLisle Stewart on August 13, 1901 .
IC 4845 group ( LGG 427 )
| Galaxy | Alternative name | Distance / million Lj |
|---|---|---|
| NGC 6739 | PGC 62799 | 186 |
| NGC 6746 | PGC 62852 | 182 |
| NGC 6769 | PGC 63042 | 161 |
| NGC 6770 | PGC 63048 | 168 |
| NGC 6771 | PGC 63049 | 185 |
| NGC 6782 | PGC 63168 | 172 |
| IC 4827 | PGC 62922 | 193 |
| IC 4828 | PGC 62930 | 168 |
| IC 4831 | PGC 62951 | 190 |
| IC 4838 | PGC 63002 | 191 |
| IC 4842 | PGC 63065 | 177 |
| IC 4845 | PGC 63081 | 173 |
| IC 4866 | PGC 63376 | 184 |
| PGC 62709 | ESO 141-021 | 459 (!) |