Astronomy:NGC 2090

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Short description: Spiral galaxy in the constellation Columba
NGC 2090
NGC 2090 captured by the Hubble Space Telescope in 2015.
Observation data (J2000 epoch)
ConstellationColumba
Right ascension 05h 48m 22.3s[1]
Declination−34° 13′ 37″[1]
Redshift0.003079[2]
Helio 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]

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]

See also

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 Phelps, Randy L.; Sakai, Shoko; Freedman, Wendy L.; Madore, Barry F.; Saha, Abhijit; Stetson, Peter B.; Kennicutt, Robert C.; Mould, Jeremy R. et al. (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. doi:10.1086/305766. Bibcode: 1998ApJ...500..763P. 
  2. ↑ 2.0 2.1 2.2 "NGC 2090". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+2090. 
  3. ↑ 3.0 3.1 3.2 3.3 Gil de Paz, Armando et al. (December 2007). "The GALEX Ultraviolet Atlas of Nearby Galaxies". The Astrophysical Journal Supplement Series 173 (2): 185–255. doi:10.1086/516636. Bibcode: 2007ApJS..173..185G. 
  4. ↑ "New General Catalog Objects: NGC 2050 - 2099" (in en-US). http://cseligman.com/text/atlas/ngc20a.htm#2090. 

Coordinates: Sky map 05h 48m 22.3s, −34° 13′ 37″




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