NGC 2717
| Galaxy NGC 2717 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Ship compass |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 08 h 57 m 01.1 s |
| declination | -24 ° 40 ′ 25 ″ |
| Appearance | |
| Morphological type | SAB0 ^ - (s) |
| Brightness (visual) | 12.3 mag |
| Brightness (B-band) | 13.3 mag |
| Angular expansion | 2.1 ′ × 1.5 ′ |
| Position angle | 11 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.008776 +/- 0.000067 |
| Radial velocity | 2631 +/- 20 km / s |
|
Stroke distance v rad / H 0 |
(108 ± 8) · 10 6 ly (33.1 ± 2.3) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | March 20, 1835 |
| Catalog names | |
| NGC 2717 • PGC 25146 • ESO 496-021 • MCG -04-21-015 • 2MASX J08570113-2440255 • SGC 85450-2428.8 • GALEX ASC J085701.09-244025.8 | |
NGC 2717 is an elliptical galaxy of the Hubble type E / SB0 in the ship's compass in the southern sky . It is estimated to be 108 million light years from the Milky Way and about 70,000 ly in diameter.
The object was discovered on March 20, 1835 by the astronomer John Herschel .