IC 129
| Galaxy IC 129 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | whale |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 31 m 31.2 s |
| declination | -12 ° 39 ′ 16 ″ |
| Appearance | |
| Morphological type | (R ') SAB (rs) 0+? |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 1.40 ′ × 0.9 ′ |
| Position angle | 60 ° |
| Surface brightness | 14.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.017631 ± 0.000030 |
| Radial velocity | 5286 ± 9 km / s |
|
Stroke distance v rad / H 0 |
(237 ± 17) · 10 6 ly (72.6 ± 5.1) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | January 3, 1891 |
| Catalog names | |
| IC 129 • UGC 1008 • PGC 5675 • MCG -02-05-001 • 2MASX J01313126-1239147 • HIPASS J0131-12 • LDCE 94 NED001 | |
IC 129 is a lenticular galaxy of the Hubble type S0 / a in the constellation Whale south of the ecliptic . It is estimated to be 237 million light years from the Milky Way and about 100,000 light years in diameter.
In the same area of the sky are u. a. the galaxies NGC 593 , NGC 599 , IC 128 , IC 1714 .
The object was discovered by Stéphane Javelle on January 3, 1891 .