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NGC 6316 is a globular cluster located in the constellation Ophiuchus. Its Shapley-Sawyer Concentration Class is III, meaning that it has a "strong inner core of stars" and was discovered by the German-born British astronomer William Herschel on 24 May 1784. It is at a distance of about 35,900 light years away from the Earth.[4][5] NGC 6316 has a metallicity of -0.45;[3] this means that its ratio of hydrogen/helium to other elements is only 35% that of the Sun, but still enough to be considered a "metal-rich" globular cluster.[6]

NGC 6316
NGC 6316 as seen through the Hubble Space Telescope
Observation data (J2000 epoch)
ClassIII[1]
ConstellationOphiuchus
Right ascension17h 16m 37.42s[2]
Declination−28° 08′ 24.0″[2]
Distance33,900 ly (10,400 pc)[1]
Apparent magnitude (V)9.03[2]
Apparent dimensions (V)4.9′ × 4.9′[1]
Physical characteristics
Metallicity = -0.45[3] dex
Notable featuresRelatively metal-rich globular cluster
Other designationsGCl 57, VDBH 219[2]
See also: Globular cluster, List of globular clusters

See also



References


  1. Hartmut Frommert. "NGC 6316 - Hartmut Frommert - SEDS". SEDS. Retrieved 6 February 2017.
  2. "NGC 6136". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 6 February 2017.
  3. William E. Harris. "Catalog of Parameters for Milky Way Globular Clusters". Retrieved 3 February 2017.
  4. "NGC 6316 (= GCL 57)". cseligman. Retrieved 4 October 2015.
  5. "The globular cluster NGC 6316". In-the-sky. Retrieved 4 October 2015.
  6. Layden, Andrew C.; Bowes, Benjamin T.; Welch, Douglas L.; Webb, Tracy M. A. (2003). "Variable Stars in Metal-Rich Globular Clusters. II. NGC 6316". The Astronomical Journal. 126 (1): 255–264. arXiv:astro-ph/0304077. Bibcode:2003AJ....126..255L. doi:10.1086/375651.



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На других языках

[de] NGC 6316

NGC 6316 ist ein 8,1 mag heller Kugelsternhaufen der Klasse III im Sternbild Schlangenträger.
- [en] NGC 6316

[ru] NGC 6316

NGC 6316 (другие обозначения — GCL 57, ESO 454-SC4) — шаровое скопление в созвездии Змееносец.


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