IC 4787
| Galaxy IC 4787 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 18 h 56 m 04.6 s |
| declination | -68 ° 40 ′ 56 ″ |
| Appearance | |
| Morphological type | SB (s) w |
| Brightness (visual) | 14.0 mag |
| Brightness (B-band) | 14.6 mag |
| Angular expansion | 1.3 ′ × 1.1 ′ |
| Position angle | 167 ° |
| Surface brightness | 14.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.014080 ± 0.000020 |
| Radial velocity | 4221 ± 6 km / s |
|
Stroke distance v rad / H 0 |
(184 ± 13) x 10 6 ly (56.3 ± 3.9) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | September 1900 |
| Catalog names | |
| IC 4787 • PGC 62579 • ESO 072-004 • SGC 185044-6844.8 • GALEX ASC J185603.90-684051.6 | |
IC 4787 is a bar-spiral galaxy of the Hubble type SBm in the constellation Peacock in the southern sky . It is an estimated 184 million light years away from the Milky Way and about 70,000 light years in diameter .
The galaxy IC 4789 is located in the same region of the sky .
The object was discovered by DeLisle Stewart in September 1900 .