IC 4923
| Galaxy IC 4923 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | telescope |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 20 h 00 m 57.4 s |
| declination | -52 ° 37 ′ 54 ″ |
| Appearance | |
| Morphological type | (RL) SB (l) 0 ^ 0 |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 1.00 'x 0.9' |
| Position angle | 87 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.018493 ± 0.000150 |
| Radial velocity | 5544 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(246 ± 17) · 10 6 ly (75.3 ± 5.3) Mpc |
| history | |
| discovery | Royal H. Frost |
| Discovery date | August 31, 1904 |
| Catalog names | |
| IC 4923 • PGC 63984 • ESO 185-045 • 2MASX J20005737-5237539 • SGC 195708-5246.2 • GALEX ASC J200057.51-523753.5 | |
IC 4923 is a lens-shaped galaxy of the Hubble type SB0 in the constellation Telescope in the southern sky . It is around 246 million light years away from the Milky Way and has a diameter of around 70,000 light years .
The galaxies IC 4915 , IC 4918 , IC 4925 , IC 4932 are located in the same area of the sky .
The object was discovered by Royal Harwood Frost on August 31, 1904 .