NGC 2357
| Galaxy NGC 2357 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Twins |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 07 h 17 m 41.0 s |
| declination | + 23 ° 21 ′ 24 ″ |
| Appearance | |
| Morphological type | Sc |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 3.6 ′ × 0.5 ′ |
| Position angle | 122 ° |
| Surface brightness | 14.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.007589 +/- 0.000008 |
| Radial velocity | 2275 +/- 2 km / s |
|
Stroke distance v rad / H 0 |
(99 ± 7) · 10 6 ly (30.3 ± 2.1) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | February 6, 1885 |
| Catalog names | |
| NGC 2357 • UGC 3782 • PGC 20592 • CGCG 116-046 • MCG + 04-17-014 • IRAS 07146 + 2326 • 2MASX J07174098 + 2321242 • LEDA 20592 • LDCE 496 NED002 | |
NGC 2357 is a spiral galaxy of Hubble type Sc in the constellation Gemini on the ecliptic . It is estimated to be 99 million light years from the Milky Way and about 105,000 ly in diameter.
The supernovae SN 2010bj (Type-IIP) and SN 2015I (Type-Ia) were observed here.
The object was discovered by Édouard Stephan on February 6, 1885 .