NGC 2717
Galaxy NGC 2717 |
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AladinLite | |
Constellation | Ship compass |
Position equinox : J2000.0 , epoch : J2000.0 |
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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 .