NGC_2090 Knowpia

NGC 2090
NGC 2090
	NGC 2090 captured by the Hubble Space Telescope in 2015.
Observation data (J2000 epoch)
Constellation	Columba
Right ascension	05h 48m 22.3s
Declination	−34° 13′ 37″
Redshift	0.003079
Heliocentric radial velocity	921.5 km/s
Distance	40.1 ± 2.9 Mly (12.3 ± 0.9 Mpc)
Apparent magnitude (V)	11.20
Apparent magnitude (B)	11.99
Characteristics
Type	SA:(rs)c
Apparent size (V)	4.9′ × 2.4′
Other designations
	MCG -06-13-009, PGC 17819

NGC 2090 is a spiral galaxy located approximately 40 million light-years from the Solar System^[1] in the Columba constellation. It was discovered on 29 October 1826 by Scottish astronomer James Dunlop.^[4] NGC 2090 was studied to refine the Hubble constant to an accuracy within ±10%.^[1]

Gallery edit

^ ^a ^b ^c ^d ^e Phelps, Randy L.; Sakai, Shoko; Freedman, Wendy L.; Madore, Barry F.; Saha, Abhijit; Stetson, Peter B.; Kennicutt, Robert C.; Mould, Jeremy R.; Ferrarese, Laura; Ford, Holland C.; Gibson, Brad K.; Graham, John A.; Han, Mingsheng; Hoessel, John G.; Huchra, John P.; Hughes, Shaun M.; Illingworth, Garth D.; Silbermann, N. A. (1998). "The Hubble Space Telescope Extragalactic Distance Scale Key Project. IX. The Discovery of Cepheids in NGC 2090". The Astrophysical Journal. 500 (2): 763–788. Bibcode:1998ApJ...500..763P. doi:10.1086/305766.
^ ^a ^b ^c "NGC 2090". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-25.
^ ^a ^b ^c ^d Gil de Paz, Armando; et al. (December 2007). "The GALEX Ultraviolet Atlas of Nearby Galaxies". The Astrophysical Journal Supplement Series. 173 (2): 185–255. arXiv:astro-ph/0606440. Bibcode:2007ApJS..173..185G. doi:10.1086/516636. S2CID 119085482.
^ "New General Catalog Objects: NGC 2050 - 2099". cseligman.com. Retrieved 2017-12-14.