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Galaxy in the constellation Cetus From Wikipedia, the free encyclopedia
NGC 497 is a barred spiral galaxy approximately 336 million light-years away from Earth in the constellation of Cetus.[1] It was discovered by French astronomer Édouard Stephan on November 6, 1882.[3]
| NGC 497 | |
|---|---|
NGC 497 (SDSS) | |
| Observation data (J2000.0 epoch) | |
| Constellation | Cetus |
| Right ascension | 01h 22m 23.76s [1] |
| Declination | −00° 52′ 30.75″ [1] |
| Redshift | 0.027155 [1] |
| Heliocentric radial velocity | 8141 ± 3 km/s [1] |
| Distance | 336 Mly[1] |
| Apparent magnitude (V) | 13.00 [2] |
| Apparent magnitude (B) | 13.80 [2] |
| Characteristics | |
| Type | SBbc |
| Apparent size (V) | 2.03 x 0.79 [1] |
| Other designations | |
| PGC 4992, MCG 0-4-100, UGC 915, Arp 8 | |
NGC 497 was imaged by Halton Arp and included in his Atlas of Peculiar Galaxies as Arp 8, under the category of 'split arm' galaxies.[4]
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