IC 4788
Galaxy IC 4788 |
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AladinLite | |
Constellation | peacock |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 18 h 54 m 41.0 s |
declination | -63 ° 27 ′ 09 ″ |
Appearance | |
Morphological type | Sc |
Brightness (visual) | 15.3 mag |
Brightness (B-band) | 16.0 mag |
Angular expansion | 1.6 ′ × 0.2 ′ |
Position angle | 12 ° |
Surface brightness | 13.9 mag / arcmin² |
Physical data | |
Redshift | 0.013449 ± 0.000267 |
Radial velocity | 4032 ± 80 km / s |
Stroke distance v rad / H 0 |
(176 ± 13) x 10 6 ly (53.9 ± 3.9) Mpc |
history | |
discovery | DeLisle Stewart |
Discovery date | July 20, 1901 |
Catalog names | |
IC 4788 • PGC 62555 • ESO 104-021 • 2MASX J18544104-6327084 • |
IC 4788 is a spiral galaxy of Hubble type Sc in the constellation Peacock on southern sky . It is estimated to be 176 million light years from the Milky Way and about 85,000 light years in diameter .
The galaxies NGC 6706 and IC 4781 are in the same region of the sky .
The object was discovered by DeLisle Stewart on July 20, 1901 .