IC 4730
| Galaxy IC 4730 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 18 h 38 m 50.17 s |
| declination | -63 ° 20 ′ 59.7 ″ |
| Appearance | |
| Morphological type | SB (rs) 0+: |
| Brightness (visual) | 13.6 mag |
| Brightness (B-band) | 14.5 mag |
| Angular expansion | 1.40 'x 0.7' |
| Position angle | 152 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.014864 ± 0.000150 |
| Radial velocity | 4456 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(195 ± 14) · 10 6 ly (59.7 ± 4.2) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | July 20, 1901 |
| Catalog names | |
| IC 4730 • PGC 62192 • ESO 103-038 • IRAS 18339-6323 • 2MASX J18385016-6320597 • SGC 183405-6323.7 • 2MASS J18385018-6320594 • LDCE 1323 NED012 • WISEA J183850.15-632059.6 | |
IC 4730 is a lenticular galaxy of the Hubble type SB0 / a in the constellation Peacock in the southern sky . It is estimated to be 195 million light-years from the Milky Way and about 80,000 light-years across.
In the same area of the sky are u. a. the galaxies IC 4726 , IC 4727 , IC 4731 , IC 4735 .
The object was discovered by DeLisle Stewart on July 20, 1901 .