Astronomy:NGC 7042

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NGC 7042
The spiral galaxy NGC 7042 (lower right) and NGC 7043 (upper left).
Observation data (J2000 epoch)
ConstellationPegasus
Right ascension 21h 13m 45.8s[1]
Declination13° 34′ 30″[1]
Redshift0.016952[1]
Helio radial velocity5,082 km/s[1]
Distance211.9 Mly
Apparent magnitude (V)12.77[1]
Characteristics
TypeSb [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. ↑ 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/. 
  2. ↑ 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. 
  3. ↑ "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. 
  4. ↑ "Detailed Object Classifications". http://ned.ipac.caltech.edu/cgi-bin/NEDatt?objname=NGC+7042. 
  5. ↑ "New General Catalog Objects: NGC 7000 - 7049" (in en-US). http://cseligman.com/text/atlas/ngc70.htm. 
  6. ↑ 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/. 



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