NGC 690

NGC 690
NGC 690
	NGC 690 imaged by the Sloan Digital Sky Survey
Observation data (J2000 epoch)
Constellation	Cetus
Right ascension	01h 47m 48.074s
Declination	−16° 43′ 19.88″
Redshift	0.01721±0.00003
Heliocentric radial velocity	5,160.03±9.89 km/s
Distance	235.6 ± 16.5 Mly (72.25 ± 5.07 Mpc)
Characteristics
Type	SAB(s)c:
Other designations
	AGC 410352, LEDA 6587

NGC 690 is an intermediate spiral galaxy located in the constellation Cetus about 236 million light-years from the Milky Way. It was discovered by the American astronomer Francis Leavenworth in 1885.^[4]^[5]

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 de Vaucouleurs, G.; et al. (1991). "Third reference catalogue of bright galaxies". 3.9. New York: Springer-Verlag. {{cite journal}}: Cite journal requires |journal= (help)
^ "NGC 690". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-01-10.
^ Ford, Dominic. "The galaxy NGC 690 - In-The-Sky.org". in-the-sky.org. Retrieved 2019-12-12.
^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2019-12-12.

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