IC 4777
| Galaxy IC 4777 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 18 h 48 m 11.3 s |
| declination | -53 ° 08 ′ 51 ″ |
| Appearance | |
| Morphological type | (R_1) SB0 ^ + / Sy2 |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.6 mag |
| Angular expansion | 0.9 ′ × 0.7 ′ |
| Position angle | 128 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.018693 ± 0.000150 |
| Radial velocity | 5604 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(248 ± 18) x 10 6 ly (76.0 ± 5.4) Mpc |
| history | |
| discovery | Royal Harwood Frost |
| Discovery date | August 13, 1903 |
| Catalog names | |
| IC 4777 • PGC 62440 • ESO 183-013 • IRAS 18442-5312 • 2MASX J18481131-5308512 • | |
IC 4777 is a lenticular galaxy with an active nucleus of the Hubble type SB0 / a in the constellation Peacock in the southern sky . It is estimated to be 248 million light years from the Milky Way and about 65,000 light years in diameter .
The object was discovered by Royal Harwood Frost on August 13, 1903 .