IC 4477
| Galaxy IC 4477 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Bear keeper |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 38 m 35.2 s |
| declination | + 28 ° 27 ′ 34 ″ |
| Appearance | |
| Brightness (visual) | 14.8 mag |
| Brightness (B-band) | 15.6 mag |
| Angular expansion | 0.5 ′ × 0.3 ′ |
| Position angle | 10 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.046862 ± 0.000183 |
| Radial velocity | 14049 ± 55 km / s |
|
Stroke distance v rad / H 0 |
(631 ± 44) · 10 6 Lj (193.4 ± 13.6) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | July 24, 1895 |
| Catalog names | |
| IC 4477 • PGC 52327 • CGCG 164-003 • 2MASX J14383522 + 2827334 • | |
IC 4477 is a bar-spiral galaxy of the Hubble-type Sc? in the constellation Bear Guardian in the northern sky . IC 4479 is located in the same area of the sky . It is around 631 million light years from the Milky Way .
The object was discovered on July 24, 1895 by Stéphane Javelle .