NGC 6723

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NGC 6723
NGC 6723 Hubble WikiSky.jpg
Observation data (J2000 epoch)
Class VII[1]
Constellation Sagittarius
Right ascension 18h 59m 33.15s[2]
Declination –36° 37′ 56.1″[2]
Distance 28.4 kly (8.7 kpc)[3]
Apparent magnitude (V) 6.8[4]
Apparent dimensions (V) 11′[4]
Physical characteristics
Mass 3.57×105[3] M
Metallicity –0.96[5] dex
Estimated age 13.06 Gyr[5]
See also: Globular cluster, List of globular clusters

NGC 6723 is a globular cluster[6] in the constellation Sagittarius.

Map showing location of NGC 6723 (Roberto Mura)

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, arXiv:1008.2755, Bibcode:2010AJ....140.1830G, doi:10.1088/0004-6256/140/6/1830. 
  3. ^ a b Boyles, J. et al. (November 2011), "Young Radio Pulsars in Galactic Globular Clusters", The Astrophysical Journal 742 (1): 51, arXiv:1108.4402, Bibcode:2011ApJ...742...51B, doi:10.1088/0004-637X/742/1/51. 
  4. ^ a b "Data for NGC 6723". NGC/IC Project. Retrieved 19 November 2013. 
  5. ^ a b Forbes, Duncan A.; Bridges, Terry (May 2010), "Accreted versus in situ Milky Way globular clusters", Monthly Notices of the Royal Astronomical Society 404 (3): 1203–1214, arXiv:1001.4289, Bibcode:2010MNRAS.404.1203F, doi:10.1111/j.1365-2966.2010.16373.x. 
  6. ^ "SIMBAD Astronomical Object Database". Results for NGC 6723. Retrieved 2007-04-21. 

External links[edit]

Coordinates: Sky map 18h 59m 33.1s, −36° 37′ 53.3″