IC 4784
| Galaxy IC 4784 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 18 h 52 m 48.0 s |
| declination | -63 ° 15 ′ 35 ″ |
| Appearance | |
| Morphological type | S0? |
| Brightness (visual) | 12.8 mag |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 1.4 ′ × 1.1 ′ |
| Position angle | 90 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.016291 ± 0.000130 |
| Radial velocity | 4884 ± 39 km / s |
|
Stroke distance v rad / H 0 |
(214 ± 15) · 10 6 ly (65.6 ± 4.6) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | July 20, 1901 |
| Catalog names | |
| IC 4784 • PGC 62527 • ESO 104-020 • IRAS 18479-6319 • 2MASX J18524802-6315345 • LDCE 1323 NED047 | |
IC 4784 is a lenticular galaxy of the Hubble type S0 in the constellation Peacock in the southern sky . It is an estimated 214 million light years from the Milky Way and about 90,000 light years in diameter .
The galaxies NGC 6706 , IC 4779 , IC 4781 , IC 4788 are located in the same region of the sky .
The object was discovered by DeLisle Stewart on July 20, 1901 .