NGC 939
| Galaxy NGC 939 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Eridanus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 26 m 21.3 s |
| declination | -44 ° 26 ′ 46 ″ |
| Appearance | |
| Morphological type | E +: |
| Brightness (visual) | 13.1 mag |
| Brightness (B-band) | 14.1 mag |
| Angular expansion | 1.2 ′ × 1 ′ |
| Position angle | 110 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 62 |
| Redshift | 0.017212 ± 0.000150 |
| Radial velocity | 5160 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(226 ± 16) x 10 6 ly (69.2 ± 4.9) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | October 18, 1835 |
| Catalog names | |
| NGC 939 • PGC 9271 • ESO 246-011 • MCG -07-06-004 • 2MASX J02262131-4426460 • SGC 022426-4440.2 • GALEX ASC J022621.18-442643.4 | |
NGC 939 is an elliptical galaxy of Hubble type E in the constellation Eridanus at the southern sky . It is estimated to be 226 million light years from the Milky Way and about 80,000 ly in diameter.
The object was discovered by John Herschel on October 18, 1835 .