NGC 959
| Galaxy NGC 959 |
|
|---|---|
|
|
| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | triangle |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 32 m 23.9 s |
| declination | + 35 ° 29 ′ 41 ″ |
| Appearance | |
| Morphological type | Sdm: / HII |
| Brightness (visual) | 12.3 mag |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 2.3 ′ × 1.4 ′ |
| Position angle | 65 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.001991 ± 0.000017 |
| Radial velocity | 597 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(32 ± 2) x 10 6 ly (9.72 ± 0.69) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | November 9, 1876 |
| Catalog names | |
| NGC 959 • UGC 2002 • PGC 9665 • CGCG 523-055 • MCG + 06-06-051 • IRAS 02293 + 3516 • KUG 0229 + 352 • 2MASX J02322394 + 3529408 • LDCE 160 NED009 | |
NGC 959 is a spiral dwarf galaxy with extensive star formation regions of the Hubble type Sd in the constellation Triangle in the northern sky . It is estimated to be 32 million light years from the Milky Way and about 20,000 light years in diameter. The galaxy is considered a member of the NGC 1023 group.
In the same area of the sky is the galaxy NGC 952 .
The object was discovered on November 9, 1876 by the astronomer Édouard Jean-Marie Stephan .