| NGC 7457 | |
|---|---|
 SDSS image of NGC 7457 | |
| Observation data (J2000epoch) | |
| Constellation | Pegasus |
| Right ascension | 23h 00m 59.934s[1] |
| Declination | +30° 08′ 41.79″[1] |
| Heliocentric radial velocity | 812 km/s[2] |
| Distance | 43 Mly (13.2 Mpc)[2] |
| Apparent magnitude (V) | 11.87[3] |
| Apparent magnitude (B) | 11.04[3] |
| Characteristics | |
| Type | SA0−(rs)?[1] |
| Other designations | |
| UGC 12306,MCG +05-54-026,PGC 70258[3] | |
NGC 7457 is an unbarredlenticular galaxy in theconstellationPegasus. NGC 7457 is itsNew General Catalogue designation. It was discovered by the astronomerWilliam Herschel on 12 September 1784.[4]
NGC 7457 is estimated to be about 43 million light-years (13.2 megaparsecs) away from the Sun.[2] There are about 201 globular clusters in the galaxy.[2] The core of NGC 7457 is surprisingly bright and compact, with many stars.[5]
Media related toNGC 7457 at Wikimedia Commons| Stars |
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.jpg) | Thislenticular galaxy article is astub. You can help Wikipedia byexpanding it. |
