IC 4982
| Galaxy IC 4982 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 20 h 20 m 20.8 s |
| declination | -71 ° 00 ′ 28 ″ |
| Appearance | |
| Morphological type | P |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.2 mag |
| Angular expansion | 0.70 '× 0.3' |
| Position angle | 49 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.020614 ± 0.000053 |
| Radial velocity | 6180 ± 16 km / s |
|
Stroke distance v rad / H 0 |
(271 ± 19) · 10 6 ly (83.1 ± 5.8) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | September 21, 1900 |
| Catalog names | |
| IC 4982 • PGC 64498 • ESO 073-039 • IRAS F20151-7110 • 2MASX J20202087-7100280 • GALEX ASC J202020.94-710027.2 | |
IC 4982 is a galaxy of Hubble type P in the constellation Peacock on southern sky . It is estimated to be 271 million light years from the Milky Way and about 55,000 light years in diameter. Together with LEDA 270900 it forms a gravitationally bound galaxy pair .
The galaxies NGC 6877 , NGC 6880 , IC 4981 , IC 4985 are located in the same area of the sky .
The object was discovered by DeLisle Stewart on September 21, 1900 .