NGC 3254 explained

Epoch:	J2000
Constellation Name:	Leo Minor
Ra:	^[1]
H Radial V:	1363 ± 10 km/s
Z:	0.004556
Type:	SA(s)bc^[2]
Appmag V:	11.60
Appmag B:	12.29
Names:	^[3]

NGC 3254 is a spiral galaxy in the constellation Leo Minor. It was discovered on March 13, 1785, by the astronomer William Herschel.^[4] It is a member of the NGC 3254 Group of galaxies, which is a member of the Leo II Groups, a series of galaxies and galaxy clusters strung out from the right edge of the Virgo Supercluster.^[5]

Two supernovae have been detected within NGC 3254: SN 1941B (mag. 15.1),^[6] and SN 2019np (Type Ia, mag. 13.0).^[7]

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: Results for object NGC 3254 (NGC 3254). NASA/IPAC Extragalactic Database. California Institute of Technology. 2021-05-17.
3. NGC 3254. 2021-05-17.
4. Web site: New General Catalogue objects: NGC 3250 - 3299. Seligman, Courtney. cseligman.com. 2021-05-17.
5. Web site: The Leo III Groups . Atlas of the Universe . 2010-11-27 . July 22, 2012 . https://archive.today/20120722223749/http://www.atlasoftheuniverse.com/galgrps/leoii.html . live .
6. SN 1941B. 2021-05-17.
7. https://www.wis-tns.org/object/2019np Transient Name Server entry for SN 2019np.