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NGC 4777 is an intermediate spiral ring galaxy.[4] It is estimated to be about 180 million light-years (or about 54 megaparsecs) away from the Sun.[3] It was discovered on March 3, 1786 by the astronomer William Herschel.[5]
References
- ^ a b Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051.
- ^ a b c d "NGC 4777". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-03.
- ^ a b Tully, R. Brent; Courtois, Hélène M.; Sorce, Jenny G. (2016). "Cosmicflows-3". The Astronomical Journal. 152 (2): 21. arXiv:1605.01765. Bibcode:2016AJ....152...50T. doi:10.3847/0004-6256/152/2/50. S2CID 250737862. 50.
- ^ a b "Results for object NGC 4777 (NGC 4777)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-03.
- ^ Seligman, Courtney. "New General Catalogue objects: NGC 4750 - 4799". cseligman.com. Retrieved 2021-02-03.
External links
- NGC 4777 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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