NGC 7332
| NGC 7332 | |
|---|---|
 legacy surveys image of NGC 7332 (right) and NGC 7339 (left) | |
| Observation data (J2000 epoch) | |
| Constellation | Pegasus |
| Right ascension | 22h 37m 24.5s[1] |
| Declination | +23° 47′ 54″[1] |
| Redshift | 0.003909[1] |
| Heliocentric radial velocity | 1197 ± 5 km/s[1] |
| Distance | 67.1 ± 11 Mly (20.6 ± 3.4 Mpc)[2] |
| Apparent magnitude (V) | 12.0[1] |
| Characteristics | |
| Type | S0 pec edge-on[1] lenticular galaxy[3] |
| Apparent size (V) | 4.1' × 1.1'[1] |
| Other designations | |
| UGC 12115, MCG +04-53-008, PGC 69342[4] | |
NGC 7332 is an edge-on peculiar lenticular galaxy[1][3] located about 67 million light-years away in the constellation Pegasus.[2] It possesses a (peanut shell)-shaped bulge, associated with stellar bar.[5] It was discovered on September 19, 1784 by the astronomer William Herschel.[6]
NGC 7332 and NGC 7339 form a dynamically isolated binary system (number 570 in the catalog of double galaxies compiled by Igor Karachentsev),[3] and are likely orbiting each other.[3] NGC 7332 is the brighter of the two galaxies.[3]
In the sky NGC 7339 lies 5' away from NGC 7332.[7] NGC 7332 is an unusually blue object with a corrected apparent B-magnitude of 11.5.[7] A 130mm to 200mm telescope will be needed to visually detect this pair of galaxies.[8] The two galaxies will appear at almost a right angle to one another.
References
- ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 7332. Retrieved 2010-07-12.
- ^ a b "Distance Results for NGC 7332". NASA/IPAC Extragalactic Database. Retrieved 2010-07-12.
- ^ a b c d e "NGC7332/7339". National Optical Astronomy Observatory (NOAO). Archived from the original on 2016-03-03. Retrieved 2010-07-12.
- ^ "NGC 7332". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-19.
- ^ Bogdan C. Ciambur; Alister W. Graham (2016), Quantifying the (X/peanut)-shaped structure in edge-on disc galaxies: length, strength, and nested peanuts
- ^ Seligman, Courtney. "New General Catalogue objects: NGC 7300 - 7349". cseligman.com. Retrieved 2021-02-19.
- ^ a b Fisher, David; Illingworth, Garth; Franx, Marijn (1994). "The dynamics and structure of the S0 galaxy NGC 7332". Astronomical Journal. 107 (1): 160–172. Bibcode:1994AJ....107..160F. doi:10.1086/116841.
- ^ "Re: NGC 7332 and NGC 7339". Cloudy Nights Forum Archives (Deep Sky Observing). 2005-08-27. Retrieved 2010-07-12.
External links
Media related to NGC 7332 at Wikimedia Commons- NGC 7332 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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