IC 4911
| Galaxy IC 4911 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | telescope |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 19 h 57 m 41.8 s |
| declination | -51 ° 59 ′ 11 ″ |
| Appearance | |
| Morphological type | S0: |
| Brightness (visual) | 15.1 mag |
| Brightness (B-band) | 16.1 mag |
| Angular expansion | 0.60 'x 0.5' |
| Position angle | 135 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.033543 ± 0.000137 |
| Radial velocity | 10,056 ± 41 km / s |
|
Stroke distance v rad / H 0 |
(447 ± 31) · 10 6 ly (137.2 ± 9.6) Mpc |
| history | |
| discovery | Royal H. Frost |
| Discovery date | August 31, 1904 |
| Catalog names | |
| IC 4911 • PGC 63877 • ESO 233-009 • 2MASX J19574185-5159113 • GALEX ASC J195741.87-515910.9 | |
IC 4911 is a lens-shaped galaxy of the Hubble type S0 in the constellation Telescope in the southern sky . It is about 447 million light years away from the Milky Way and about 80,000 light years in diameter .
The galaxies IC 4907 , IC 4915 , IC 4917 , IC 4918 are located in the same area of the sky .
The object was discovered by Royal Harwood Frost on August 31, 1904 .