IC 4771
| Galaxy IC 4771 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 18 h 48 m 23.8 s |
| declination | -63 ° 14 ′ 52 ″ |
| Appearance | |
| Morphological type | SAB (rs) bc: |
| Brightness (visual) | 14.5 mag |
| Brightness (B-band) | 15.2 mag |
| Angular expansion | 1.1 ′ × 0.5 ′ |
| Position angle | 178 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 422 |
| Redshift | 0.018463 ± 0.000033 |
| Radial velocity | 5535 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(243 ± 17) x 10 6 ly (74.5 ± 5.2) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | July 20, 1901 |
| Catalog names | |
| IC 4771 • PGC 62445 • ESO 104-015 • 2MASX J18482370-6314513 • | |
IC 4771 is a spiral galaxy of Hubble type Sc in the constellation Peacock on southern sky . It is an estimated 243 million light years from the Milky Way and about 80,000 light years in diameter .
The galaxies IC 4766 , IC 4767 , IC 4769 , IC 4770 are in the same region of the sky .
The object was discovered by DeLisle Stewart on July 20, 1901 .