IC 4747
| Galaxy IC 4747 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 18 h 45 m 57.3 s |
| declination | -72 ° 37 ′ 48 ″ |
| Appearance | |
| Morphological type | Sc |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 14.9 mag |
| Angular expansion | 1.1 ′ × 0.2 ′ |
| Position angle | 72 ° |
| Surface brightness | 12.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.017979 ± 0.000167 |
| Radial velocity | 5390 ± 50 km / s |
|
Stroke distance v rad / H 0 |
(235 ± 17) · 10 6 ly (72.1 ± 5.1) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | August 25, 1900 |
| Catalog names | |
| IC 4747 • PGC 62372 • ESO 045-015 • IRAS 18398-7240 • 2MASX J18455734-7237484 • HIPASS J1845-72 | |
IC 4747 is a spiral galaxy of Hubble type Sc in the constellation Peacock on southern sky . It is estimated to be 235 million light years away from the Milky Way and has a diameter of about 75,000 ly.
In the same area of the sky are the galaxies NGC 6653 and IC 4746 .
The object was discovered by DeLisle Stewart on August 25, 1900 .