NGC 7457
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| NGC 7457 | |
|---|---|
| File:NGC7457 - SDSS DR14.jpg SDSS image of NGC 7457 | |
| Observation data (J2000 epoch) | |
| 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 unbarred lenticular galaxy in the constellation Pegasus. NGC 7457 is its New General Catalogue designation. It was discovered by the astronomer William 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]
Gallery
[edit | edit source]-
2MASS image of NGC 7457
-
Hubble Space Telescope image of NGC 7457
References
[edit | edit source]- ^ a b c Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b c d Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b c Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
External links
[edit | edit source]- Error creating thumbnail: File missing Media related to Lua error in Module:Commons_link at line 62: attempt to index field 'wikibase' (a nil value). at Wikimedia Commons
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