IC 5021
| Galaxy IC 5021 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Indus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 20 h 33 m 34.04 s |
| declination | -54 ° 31 ′ 14.8 ″ |
| Appearance | |
| Morphological type | S / P |
| Brightness (visual) | 14.0 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 0.80 'x 0.6' |
| Position angle | 2 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.011418 ± 0.000150 |
| Radial velocity | 3423 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(151 ± 11) · 10 6 ly (46.2 ± 3.3) Mpc |
| history | |
| discovery | Royal H. Frost |
| Discovery date | May 17, 1904 |
| Catalog names | |
| IC 5021 • PGC 64960 • ESO 186-061 • 2MASX J20333397-5431148 • 2MASS J20333394-5431144 | |
IC 5021 is a spiral galaxy of the Hubble type S in the constellation Indians in the southern sky . It is estimated to be 151 million light years from the Milky Way and about 35,000 light years in diameter. Presumably it forms a gravitationally bound galaxy pair together with LEDA 64953 .
The object was discovered by Royal Harwood Frost on May 17, 1904 .