NGC 1851

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NGC 1851
PIA07908.jpg
A Ultraviolet image of NGC 1851.
Credit: NASA/GALEX
Observation data (J2000 epoch)
Class II[1]
Right ascension 05h 14m 06.76s[2]
Declination –40° 02′ 47.6″[2]
Distance 39.5 kly (12.1 kpc)[3]
Apparent magnitude (V) 7.3[4]
Apparent dimensions (V) 11′[4]
Physical characteristics
Mass 5.51×105[5] M
Estimated age 9.2 Gyr[6]
Other designations ESO 305-SC 016,[7] Caldwell 73
See also: Globular cluster, List of globular clusters

NGC 1851 (also known as Caldwell 73) is a globular cluster located in the constellation Columba.

References[edit]

  1. ^ Shapley, Harlow; Sawyer, Helen B. (August 1927), "A Classification of Globular Clusters", Harvard College Observatory Bulletin (849): 11–14, Bibcode:1927BHarO.849...11S 
  2. ^ a b Goldsbury, Ryan; et al. (December 2010), "The ACS Survey of Galactic Globular Clusters. X. New Determinations of Centers for 65 Clusters", The Astronomical Journal, 140 (6): 1830–1837, Bibcode:2010AJ....140.1830G, arXiv:1008.2755Freely accessible, doi:10.1088/0004-6256/140/6/1830. 
  3. ^ "SEDS Milky Way Globular Clusters". Results for NGC 1851. Retrieved 2011-01-09. 
  4. ^ a b "SEDS NGC Catalog Online". Results for NGC 1851. Retrieved 2011-01-09. 
  5. ^ Boyles, J.; et al. (November 2011), "Young Radio Pulsars in Galactic Globular Clusters", The Astrophysical Journal, 742 (1): 51, Bibcode:2011ApJ...742...51B, arXiv:1108.4402Freely accessible, doi:10.1088/0004-637X/742/1/51 
  6. ^ Koleva, M.; et al. (April 2008), "Spectroscopic ages and metallicities of stellar populations: validation of full spectrum fitting", Monthly Notices of the Royal Astronomical Society, 385 (4): 1998–2010, Bibcode:2008MNRAS.385.1998K, arXiv:0801.0871Freely accessible, doi:10.1111/j.1365-2966.2008.12908.x 
  7. ^ "NASA/IPAC Extragalactic Database". Results for NGC 1851. Retrieved 2011-01-09. 

External links[edit]

Coordinates: Sky map 5h 14m 6.7s, −40° 2′ 48″