IC 4915
| Galaxy IC 4915 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | telescope |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 19 h 58 m 31.9 s |
| declination | -52 ° 38 ′ 32 ″ |
| Appearance | |
| Morphological type | SA0- |
| Brightness (visual) | 13.8 mag |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 1 ′ × 0.7 ′ |
| Position angle | 103 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.051369 ± 0.000667 |
| Radial velocity | 15400 ± 200 km / s |
|
Stroke distance v rad / H 0 |
(686 ± 49) · 10 6 ly (210.3 ± 15.0) Mpc |
| history | |
| discovery | Royal H. Frost |
| Discovery date | August 31, 1904 |
| Catalog names | |
| IC 4915 • PGC 63909 • ESO 185-038 • 2MASX J19583194-5238323 • SGC 195442-5246.6 • 2MASS J19583193-5238319 • WISE A J195831.93-523831.7 | |
IC 4915 is an elliptical galaxy of the Hubble type E / S0 in the constellation Telescope in the southern sky . It is around 686 million light years away from the Milky Way and has a diameter of around 200,000 light years .
In the same area of the sky are u. a. the galaxies IC 4907 , IC 4917 , IC 4918 , IC 4923 .
The object was discovered by Royal Harwood Frost on August 31, 1904 .