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 (!) |