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]

NGC 2090
NGC 2090 captured by the Hubble Space Telescope in 2015.
Observation data (J2000 epoch)
ConstellationColumba
Right ascension05h 48m 22.3s[1]
Declination−34° 13′ 37″[1]
Redshift0.003079[2]
Heliocentric radial velocity921.5 km/s[2]
Distance40.1 ± 2.9 Mly (12.3 ± 0.9 Mpc)[1]
Apparent magnitude (V)11.20[3]
Apparent magnitude (B)11.99[3]
Characteristics
TypeSA:(rs)c[3]
Apparent size (V)4.9 × 2.4[3]
Other designations
MCG -06-13-009, PGC 17819[2]

See also

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References

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  1. ^ 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.
  2. ^ a b c "NGC 2090". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-25.
  3. ^ 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.
  4. ^ "New General Catalog Objects: NGC 2050 - 2099". cseligman.com. Retrieved 2017-12-14.
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