IC 4766
| Galaxy IC 4766 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 18 h 47 m 35.8 s |
| declination | -63 ° 17 ′ 32 ″ |
| Appearance | |
| Morphological type | SA (r) 0 ^ + |
| Brightness (visual) | 12.8 mag |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 1.2 ′ × 0.4 ′ |
| Position angle | 110 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.016355 ± 0.000033 |
| Radial velocity | 4903 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(215 ± 15) x 10 6 ly (65.9 ± 4.6) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | July 20, 1901 |
| Catalog names | |
| IC 4766 • PGC 62421 • ESO 104-009 • 2MASX J18473570-6317324 • LDCE 1323 NED041 | |
IC 4766 is a lenticular galaxy of the Hubble type S0 / a in the constellation Peacock in the southern sky . It is estimated to be 215 million light years from the Milky Way and about 75,000 light years across .
The galaxies IC 4765 , IC 4767 , IC 4769 , IC 4770 are in the same region of the sky .
The object was discovered by DeLisle Stewart on July 20, 1901 .