NGC 804

NGC 804
NGC 804
	SDSS image of NGC 804
Observation data (J2000 epoch)
Constellation	Triangulum
Right ascension	02h 04m 02.106s
Declination	+30° 49′ 58.13″
Redshift	0.017639
Heliocentric radial velocity	5241 km/s
Distance	231.3 Mly (70.92 Mpc)
Apparent magnitude (B)	14.7
Characteristics
Type	S0
Other designations
	IC 1773, UGC 1557, MCG +05-05-049, PGC 7873

NGC 804 is a lenticular galaxy located in the Triangulum constellation about 231 million light-years^[3] from the Milky Way. It was discovered by the American astronomer Lewis Swift in 1885. This galaxy was also observed by the French astronomer Guillaume Bigourdan on December 24, 1897, and it has been added to the Index Catalogue under the symbol IC 1773.^[4]^[5]^[6]

References

^ ^a ^b 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. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708. ISSN 0004-6256. S2CID 18913331.
^ ^a ^b ^c ^d ^e "NGC 804". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-24.
^ ^a ^b Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (2007). "Groups of Galaxies in the Two Micron All Sky Redshift Survey". The Astrophysical Journal. 655 (2): 790–813. arXiv:astro-ph/0610732. Bibcode:2007ApJ...655..790C. doi:10.1086/510201. S2CID 11672751.
^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2020-03-24.
^ "Revised NGC Data for NGC 804". spider.seds.org. Retrieved 2020-03-24.
^ Ford, Dominic. "The galaxy NGC 804 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-24.