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]
See also
editReferences
edit- ^ a b c d e f g "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved November 29, 2017.
- ^ a b "Revised NGC Data for NGC 497". spider.seds.org. Retrieved December 9, 2017.
- ^ "Data for NGC 497". www.astronomy-mall.com. Retrieved December 9, 2017.
- ^ Arp, Halton (1966). "Atlas of Peculiar Galaxies". Figure 1. Retrieved November 29, 2017.
External links
edit
Media related to NGC 497 at Wikimedia Commons- NGC 497 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- SEDS
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