NGC 2457
| Galaxy NGC 2457 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | lynx |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 07 h 54 m 45.7 s |
| declination | + 55 ° 32 ′ 48 ″ |
| Appearance | |
| Morphological type | Sbc? |
| Brightness (visual) | 15.4 mag |
| Brightness (B-band) | 16.2 mag |
| Angular expansion | 0.5 ′ × 0.2 ′ |
| Position angle | 84 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Affiliation | WBL 158 |
| Redshift | 0.024187 ± 0.000100 |
| Radial velocity | 7251 ± 30 km / s |
|
Stroke distance v rad / H 0 |
(326 ± 23) x 10 6 ly (100.1 ± 7.0) Mpc |
| history | |
| discovery | Ralph Copeland |
| Discovery date | March 10, 1874 |
| Catalog names | |
| NGC 2457 • PGC 22161 • CGCG 262-046 • MCG + 09-13-086 • 2MASX J07544572 + 5532481 • 2MASS J07544568 + 5532478 | |
NGC 2457 is a spiral galaxy of Hubble type Sbc in the constellation Lynx at the northern sky . It is an estimated 326 million light years from the Milky Way and about 45,000 light years in diameter. It probably forms a gravitationally bound galaxy pair with NGC 2456 .
The object was discovered by Ralph Copeland on March 10, 1874 .