IC 4712
| Galaxy IC 4712 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 18 h 31 m 06.9 s |
| declination | -71 ° 41 ′ 37 ″ |
| Appearance | |
| Morphological type | SA (rs) b |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 13.0 likes |
| Angular expansion | 2.30 'x 1.2' |
| Position angle | 60 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Affiliation |
IC 4682 group LGG 420 |
| Redshift | 0.012799 ± 0.000033 |
| Radial velocity | 3837 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(166 ± 12) · 10 6 ly (50.9 ± 3.6) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | 20th August 1900 |
| Catalog names | |
| IC 4712 • PGC 61981 • ESO 071-014 • IRAS 18251-7143 • 2MASX J18310695-7141371 • SGC 182513-7143.6 • GALEX ASC J183106.50-714137.9 • LDCE 1298 NED005 | |
IC 4712 is a spiral galaxy of the Hubble type Sbc in the constellation Peacock in the southern sky . It is an estimated 166 million light-years away from the Milky Way and about 120,000 light-years across.
In the same area of the sky are u. a. the galaxies IC 4704 and IC 4705 .
The object was discovered by DeLisle Stewart on August 20, 1900 .