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 45.9074s[1]
Declination+13° 34′ 29.745″[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
KCPG 555A, IRAS 21113+1321, UGC 11702, MCG2-54-13, PGC 66378[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]

Supernova

One supernova has been observed in NGC 7042:

  • SN 2013fw (Type Ia, mag. 17.1) was discovered by Zhangwei Jin and Xing Gao on October 23, 2013.[6][7][8]

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. ↑ Jin, Zhangwei; Gao, Xing; Koff, R. A.; Masi, Gianluca; Nocentini, Francesca; Schmeer, Patrick; James, N.; Brimacombe, J. et al. (2013). "Supernova 2013fw in NGC 7042 = PSN J21134481+1334335". Central Bureau Electronic Telegrams (3681): 1. Bibcode: 2013CBET.3681....1J. 
  7. ↑ "SN 2013fw". IAU. https://www.wis-tns.org/object/2013fw. 
  8. ↑ 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/. 

Coordinates: Sky map 21h 13m 45.9074s, +13° 34′ 29.745″



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