IC 4730
Galaxy IC 4730 |
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AladinLite | |
Constellation | peacock |
Position equinox : J2000.0 , epoch : J2000.0 |
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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 .