NGC 7042 explained

NGC 7042
Epoch:	J2000
Type:	Sb ^[1]
Z:	0.016952
H Radial V:	5,082 km/s
Appmag V:	12.77
Size V:	2.0 x 1.8
Constellation Name:	Pegasus
Names:	CGCG 426-23, IRAS 21113+1321, KCPG 555A, MCG 2-54-13, PGC 66378, UGC 11702
Size:	~146,110 ly (estimated)

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]

Notes and References

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