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 | |
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Observation data (J2000 epoch) | |
Constellation | Pegasus |
Right ascension | 23h 00m 59.934s[1] |
Declination | +30° 08′ 41.79″[1] |
Helio 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 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]
New General Catalogue 7000 to 7499 | |
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Stars of Pegasus | |
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Bayer |
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Flamsteed | |
Variable | |
HR |
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HD | |
Gliese | |
Other |
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