IC 1012
| Galaxy IC 1012 / IC 4431 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Bear keeper |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 27 m 09.5 s |
| declination | + 30 ° 56 ′ 54 ″ |
| Appearance | |
| Morphological type | Sc |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.6 mag |
| Angular expansion | 1.2 ′ × 0.8 ′ |
| Position angle | 105 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.013673 ± 0.000033 |
| Radial velocity | (4099 ± 10) km / s |
|
Stroke distance v rad / H 0 |
(186 ± 13) · 10 6 ly (57.1 ± 4.0) Mpc |
| history | |
| discovery | Truman Safford |
| Discovery date | May 9, 1866 |
| Catalog names | |
| IC 1012/4431 • UGC 9257 • PGC 51600 • CGCG 163-052 • MCG + 05-34-043 • 2MASX J14270944 + 3056532 • | |
IC 1012 = IC 4431 is a spiral galaxy of the Hubble type Sc in the constellation Bear Guardian in the northern sky . It is an estimated 186 million light years from the Milky Way .
The object was discovered on May 9, 1866 by Truman Henry Safford .