IC 4902
| Galaxy IC 4902 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | telescope |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 19 h 54 m 24.1 s |
| declination | -56 ° 22 ′ 45 ″ |
| Appearance | |
| Morphological type | Sc |
| Brightness (visual) | 15.3 mag |
| Brightness (B-band) | 16.1 mag |
| Angular expansion | 0.70 '× 0.3' |
| Position angle | 16 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.055568 ± 0.000150 |
| Radial velocity | 16,659 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(742 ± 52) x 10 6 ly (227.4 ± 15.9) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | October 3, 1901 |
| Catalog names | |
| IC 4902 • PGC 63798 • ESO 185-024 • 2MASX J19542410-5622447 • 2MASS J19542411-5622448 | |
IC 4902 is a spiral galaxy of Hubble type Sc in the constellation telescope at the southern sky . It is around 742 million light years away from the Milky Way and has a diameter of around 155,000 light years .
The galaxies IC 4908 and IC 4910 are located in the same area of the sky .
The object was discovered by DeLisle Stewart on October 3, 1901 .