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]

NGC 7042
The spiral galaxy NGC 7042 (lower right) and NGC 7043 (upper left).
Observation data (J2000 epoch)
ConstellationPegasus
Right ascension21h 13m 45.8s[1]
Declination13° 34′ 30″[1]
Redshift0.016952[1]
Heliocentric 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]

On October 23, 2013, a Type Ia supernova designated as SN 2013fw was discovered in NGC 7042.[6]

References

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  1. ^ a b c d e f g h i "NASA/IPAC Extragalactic Database". Results for NGC 7042. Retrieved 2017-06-26.
  2. ^ Rojas, Sebastián García. "Galaxy NGC 7042 - Galaxy in Pegasus Constellation · Deep Sky Objects Browser". DSO Browser. Retrieved 2017-06-27.
  3. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-06-27.
  4. ^ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-10-13.
  5. ^ "New General Catalog Objects: NGC 7000 - 7049". cseligman.com. Retrieved 2017-06-27.
  6. ^ Masi, Gianluca (2013-10-26). "Supernova SN 2013fw (ex PSN J21134481+1334335) in NGC 7042: image and spectroscopy (23/25 Oct. 2013)". The Virtual Telescope Project 2.0. Retrieved 2017-06-26.
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