NGC 6723
NGC 6723 | |
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| |
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] |
NGC 6723 is a globular cluster[6] in the constellation Sagittarius.
References
- ↑ Shapley, Harlow; Sawyer, Helen B. (August 1927), "A Classification of Globular Clusters", Harvard College Observatory Bulletin (849): 11–14, Bibcode:1927BHarO.849...11S.
- ↑ 2.0 2.1 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.
- ↑ 3.0 3.1 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.
- ↑ 4.0 4.1 "Data for NGC 6723". NGC/IC Project. Retrieved 19 November 2013.
- ↑ 5.0 5.1 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.
- ↑ "SIMBAD Astronomical Object Database". Results for NGC 6723. Retrieved 2007-04-21.
External links
- NGC 6723 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images