Astronomy:NGC 7042
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Short description: Galaxy in the constellation Pegasus
| NGC 7042 | |
|---|---|
 The spiral galaxy NGC 7042 (lower right) and NGC 7043 (upper left). | |
| Observation data (J2000 epoch) | |
| Constellation | Pegasus |
| Right ascension | 21h 13m 45.8s[1] |
| Declination | 13° 34′ 30″[1] |
| Redshift | 0.016952[1] |
| Helio radial velocity | 5,082 km/s[1] |
| Distance | 211.9 Mly |
| Apparent magnitude (V) | 12.77[1] |
| Characteristics | |
| Type | Sb [1] |
| Size | ~146,110 ly (estimated)[1] |
| Apparent size (V) | 2.0 x 1.8[1] |
| Other designations | |
| CGCG 426-23, IRAS 21113+1321, KCPG 555A, MCG 2-54-13, PGC 66378, UGC 11702[1] | |
NGC 7042 is a spiral galaxy located about 210 million light-years away in the constellation of Pegasus.[2][3] NGC 7042 is part of a pair of galaxies that contains the galaxy NGC 7043.[4] Astronomer William Herschel discovered NGC 7042 on October 16, 1784.[5]
On October 23, 2013, a Type Ia supernova designated as SN 2013fw was discovered in NGC 7042.[6]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 "NASA/IPAC Extragalactic Database". Results for NGC 7042. http://nedwww.ipac.caltech.edu/.
- ↑ Rojas, Sebastián García. "Galaxy NGC 7042 - Galaxy in Pegasus Constellation · Deep Sky Objects Browser" (in en). https://dso-browser.com/deep-sky/8232/ngc-7042/galaxy.
- ↑ "Your NED Search Results". http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+7042&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES.
- ↑ "Detailed Object Classifications". http://ned.ipac.caltech.edu/cgi-bin/NEDatt?objname=NGC+7042.
- ↑ "New General Catalog Objects: NGC 7000 - 7049" (in en-US). http://cseligman.com/text/atlas/ngc70.htm.
- ↑ Masi, Gianluca (2013-10-26). "Supernova SN 2013fw (ex PSN J21134481+1334335) in NGC 7042: image and spectroscopy (23/25 Oct. 2013)". https://www.virtualtelescope.eu/2013/10/26/supernova-psn-j211344811334335-in-ngc-7042-image-and-spectroscopy/.
External links
- NGC 7042 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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