IC 12
| Galaxy IC 12 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | fishes |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 20 m 15.0 s |
| declination | -02 ° 39 ′ 11 ″ |
| Appearance | |
| Morphological type | Sab / HII |
| Brightness (visual) | 14.9 mag |
| Brightness (B-band) | 15.7 mag |
| Angular expansion | 0.8 ′ × 0.3 ′ |
| Position angle | 15 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.020161 ± 0.000037 |
| Radial velocity | 044 ± 11 km / s |
|
Stroke distance v rad / H 0 |
(274 ± 19) x 10 6 ly (84 ± 5.9) Mpc |
| diameter | 55,000 ly |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | November 7, 1891 |
| Catalog names | |
| IC 12 • PGC 1299 • MCG -01-02-03 • IRAS 177-0255 • LDCE 0018 NED004 | |
IC 12 is a spiral galaxy from the Hubble type Sab in the constellation fish on the ecliptic . It is about 274 million light years away from the Milky Way and has a diameter of about 65,000 light years .
The object was discovered on November 7th, 1891 by Stéphane Javelle .