IC 4801
| Galaxy IC 4801 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 18 h 59 m 38.4 s |
| declination | -64 ° 40 ′ 31 ″ |
| Appearance | |
| Morphological type | (R) SAB (rl) 0 ^ + |
| Brightness (visual) | 12.7 mag |
| Brightness (B-band) | 13.6 mag |
| Angular expansion | 1.80 x 1.0 |
| Position angle | 90 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 422 |
| Redshift | 0.014834 ± 0.000040 |
| Radial velocity | 4447 ± 12 km / s |
|
Stroke distance v rad / H 0 |
(194 ± 14) · 10 6 ly (59.6 ± 4.2) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | August 13, 1901 |
| Catalog names | |
| IC 4801 • PGC 62655 • ESO 104-028 • 2MASX J18593840-6440306 • SGC 185448-6444.6 • GALEX ASC J185938.22-644028.5 • LDCE 1323 NED057 | |
IC 4801 is a lenticular galaxy of the Hubble type S0 / a in the constellation Peacock in the southern sky . It is estimated to be 194 million light years from the Milky Way and about 100,000 light years in diameter .
The galaxies IC 4790 and IC 4799 are in the same region of the sky .
The object was discovered by DeLisle Stewart on August 13, 1901 .