NGC 4605

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NGC 4605
The scale of the Universe.jpg
NGC 4605 by Hubble.[1]
Observation data (J2000 epoch)
ConstellationUrsa Major
Right ascension12h 39m 59.381s[2]
Declination+61° 36′ 33.09″[2]
Helio radial velocity143 ± 5 km/s[4]
Distance18.10 ± 0.33 Mly (5.55 ± 0.10 Mpc)[5]
Apparent magnitude (V)10.9[4]
Absolute magnitude (B)–18.10[6]
TypeSBc[6] or SB(s)c pec[4]
Mass/Light ratio0.25±0.03[6] M/L
Apparent size (V)6′.03 × 2′.45[7]
Other designations
UGC 7831,[8] PGC 42408[4]

NGC 4605 is a dwarf barred spiral galaxy[6] in the constellation Ursa Major, located at a distance of 18.1 ± 0.3 megalight-years from the Milky Way.[5] Physically it is similar in size and in B-band absolute magnitude to the Large Magellanic Cloud.[6] It is a member of the M81 Galaxy Group, along with Messier 81 and Messier 101.[9]


  1. ^ "The scale of the Universe". ESA/Hubble Picture of the Week. Retrieved 10 May 2014.
  2. ^ 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: 1163–1183. doi:10.1086/498708. ISSN 0004-6256.
  3. ^ Paturel, G.; et al. (2002). "Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003". LEDA. Bibcode:2002LEDA.........0P.
  4. ^ a b c d "NASA/IPAC Extragalactic Database". Results for NGC 4605. Retrieved 2010-05-14.
  5. ^ a b Tully, R. Brent; et al. (October 2013). "Cosmicflows-2: The Data". The Astronomical Journal. 146 (4): 25. arXiv:1307.7213. Bibcode:2013AJ....146...86T. doi:10.1088/0004-6256/146/4/86. S2CID 118494842. 86.
  6. ^ a b c d e Bolatto, A. D.; et al. (August 2002). "The Density Profile of the Dark Matter Halo of NGC 4605". Astrophysical Journal. 565 (1): 238–243. arXiv:astro-ph/0108050. Bibcode:2002ApJ...565..238B. doi:10.1086/324596. S2CID 9316982.
  7. ^ Paturel, G.; et al. (December 2003). "HYPERLEDA. I. Identification and designation of galaxies". Astronomy and Astrophysics. 412: 45–55. Bibcode:2003A&A...412...45P. doi:10.1051/0004-6361:20031411.
  8. ^ "NGC 4605". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-04-29.
  9. ^ Karachentsev, Igor D.; Kaisin, Serafim S. (May 2007). "A View of the M81 Galaxy Group via the Hα Window". The Astronomical Journal. 133 (5): 1883–1902. arXiv:astro-ph/0701465. Bibcode:2007AJ....133.1883K. doi:10.1086/512127. S2CID 117916931.

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