IC 4971
| Galaxy IC 4971 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 20 h 17 m 02.8 s |
| declination | -70 ° 37 ′ 15 ″ |
| Appearance | |
| Morphological type | Sc |
| Brightness (visual) | 15.3 mag |
| Brightness (B-band) | 16.1 mag |
| Angular expansion | 0.80 'x 0.3' |
| Position angle | 4 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.014857 ± 0.000150 |
| Radial velocity | (4343 ± 45) km / s |
|
Stroke distance v rad / H 0 |
(194 ± 14) · 10 6 ly (59.5 ± 4.2) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | September 21, 1900 |
| Catalog names | |
| IC 4971 • PGC 64417 • ESO 073-031 • 2MASX J20170278-7037157 • GALEX ASC J201703.06-703716.6 • LEDA 64417 | |
IC 4971 is a spiral galaxy of Hubble type Sc in the constellation Peacock on southern sky . It is estimated to be 194 million light-years away from the Milky Way and has a diameter of about 45,000 ly. a. the galaxies NGC 6872 , IC 4967 , IC 4970 , IC 4972 .
The object was discovered by DeLisle Stewart on September 21, 1900 .