IC 4704
| Galaxy IC 4704 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 18 h 27 m 53.6 s |
| declination | -71 ° 36 ′ 35 ″ |
| Appearance | |
| Morphological type | SA (s) 0 ^ - |
| Brightness (visual) | 12.1 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 1.50 'x 1.2' |
| Position angle | 165 ° |
| Surface brightness | 14.0 mag / arcmin² |
| Physical data | |
| Affiliation | IC 4682 group LGG 420 |
| Redshift | 0.012148 ± 0.000040 |
| Radial velocity | 3642 ± 12 km / s |
|
Stroke distance v rad / H 0 |
(157 ± 11) · 10 6 ly (48.2 ± 3.4) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | 20th August 1900 |
| Catalog names | |
| IC 4704 • PGC 61906 • ESO 071-011 • 2MASX J18275369-7136353 • SGC 182200-7138.4 • GALEX ASC J182754.03-713635.1 • LDCE 1298 NED002 | |
IC 4704 is an elliptical galaxy of the Hubble type E / S0 in the constellation Peacock in the southern sky . It is estimated to be 157 million light years from the Milky Way and about 75,000 light years in diameter.
Together with IC 4682 , IC 4705 , IC 4712 and PGC 61930 , it forms the IC 4682 group .
The object was discovered by DeLisle Stewart on August 20, 1900 .