NGC 42 explained

NGC 42
Epoch:	J2000
Constellation Name:	Pegasus
Ra:	^[1]
H Radial V:	5914 km/s
Z:	0.019927
Dist Ly:	^[2]
Type:	S0^-:^[3]
Appmag B:	15.07^[4]
Names:	^[5]

NGC 42 is a lenticular galaxy in the Pegasus constellation. It was discovered on October 30, 1864, by the German astronomer Albert Marth. It may be gravitationally interacting with the nearby NGC 41.^[6]

Notes and References

1. 10.1086/498708 . Skrutskie . Michael F. . Cutri . Roc M. . Stiening . Rae . Weinberg . Martin D. . Schneider . Stephen E. . Carpenter . John M. . Beichman . Charles A. . Capps . Richard W. . Chester . Thomas . Elias . Jonathan H. . Huchra . John P. . Liebert . James W. . Lonsdale . Carol J. . Monet . David G. . Price . Stephan . Seitzer . Patrick . Jarrett . Thomas H. . Kirkpatrick . J. Davy . Gizis . John E. . Howard . Elizabeth V. . Evans . Tracey E. . Fowler . John W. . Fullmer . Linda . Hurt . Robert L. . Light . Robert M. . Kopan . Eugene L. . Marsh . Kenneth A. . McCallon . Howard L. . Tam . Robert . Van Dyk . Schuyler D. . Wheelock . Sherry L. . The Two Micron All Sky Survey (2MASS) . The Astronomical Journal . 1 February 2006 . 131 . 2 . 1163–1183 . 2006AJ....131.1163S . 18913331 . 0004-6256 . free .
2. Groups of Galaxies in the Two Micron All Sky Redshift Survey . Crook . Aidan C. . Huchra . John P. . Martimbeau . Nathalie . Masters . Karen L. . Jarrett . Tom . Macri . Lucas M. . The Astrophysical Journal . 655 . 2 . 790–813 . 2007 . 2007ApJ...655..790C . 10.1086/510201 . astro-ph/0610732 . 11672751 .
3. Web site: Results for object NGC 0042 (NGC 42). NASA/IPAC Extragalactic Database. California Institute of Technology. 2021-02-04.
4. Web site: Search specification: NGC 42. HyperLeda. Université Claude Bernard Lyon 1. 2021-02-04.
5. NGC 42. 2021-02-04.
6. Web site: New General Catalogue objects: NGC 1 - 49 . Seligman . Courtney . cseligman.com . 2021-02-04 .