NGC 252 explained

NGC 252
Epoch:	J2000
Constellation Name:	Andromeda
Ra:	^[1]
Z:	0.016471^[2]
H Radial V:	4938
Dist Ly:	75.283+/-
Type:	(R)SA0^+(r)
Size:	37.23kpc
Appmag V:	13.4
Appmag B:	12.49
Size V:	1.7 × 1.309
Names:	UGC 491, MGC+04-03-004, PGC 2819^[3]

NGC 252 is a lenticular galaxy located in the constellation Andromeda. It was discovered by William Herschel in 1786.^[4]

One supernova has been observed in NGC 252: SN 1998de (type Ia, mag. 18.4).^[5]

See also

• List of NGC objects

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. Web site: NASA/IPAC Extragalactic Database. Results for NGC 252. 12 February 2017.
3. NGC 252. 12 February 2017.
4. Web site: NGC 252 (= PGC 2819). cseligman. 12 February 2017.
5. https://www.wis-tns.org/object/1998de Transient Name Server entry for SN 1998de.