NGC 6934

NGC 6934
NGC 6934 by Hubble Space Telescope; 3.5′ view Credit: NASA/STScI/WikiSky
Observation data (J2000 epoch)
Class	VIII^[1]
Constellation	Delphinus
Right ascension	20^h 34^m 11.37^s^[2]
Declination	+07° 24′ 16.1″^[2]
Distance	52×10^³ ly (16 kpc)^[3]
Apparent magnitude (V)	8.83^[4]
Apparent dimensions (V)	8.4′^[4]
Physical characteristics
Mass	7005295000000000000♠2.95×10⁵^[5] M_☉
Metallicity	${\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}$ = –1.47^[5] dex
Other designations	Caldwell 47

NGC 6934 (also known as Caldwell 47) is a globular cluster^[6] in the constellation Delphinus, about 50,000 light years distant.^[4] It was discovered by William Herschel on 24 September 1785.^[4]

References

↑ Shapley, Harlow; Sawyer, Helen B. (August 1927), "A Classification of Globular Clusters", Harvard College Observatory Bulletin (849): 11–14, Bibcode:1927BHarO.849...11S.
1 2 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.
↑ Hessels, J. W. T.; et al. (November 2007), "A 1.4 GHz Arecibo Survey for Pulsars in Globular Clusters", The Astrophysical Journal, 670 (1): 363–378, arXiv:0707.1602, Bibcode:2007ApJ...670..363H, doi:10.1086/521780.
1 2 3 4 "NGC 6934". SEDS. Retrieved 2010-10-09.
1 2 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.
↑ "SIMBAD Astronomical Object Database". Results for NGC 6934. Retrieved 2007-04-21.

External links

NGC 6934 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
A Distant Backwater of the Milky Way — ESA/Hubble Picture of the Week

Coordinates: 20^h 34^m 11.5^s, +07° 24′ 14.9″

Astronomical catalogs

NGC	NGC 6929 NGC 6930 NGC 6931 NGC 6932 NGC 6933 NGC 6934 NGC 6935 NGC 6936 NGC 6937 NGC 6938 NGC 6939

Caldwell	C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56

Caldwell catalogue

List	C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 C57 C58 C59 C60 C61 C62 C63 C64 C65 C66 C67 C68 C69 C70 C71 C72 C73 C74 C75 C76 C77 C78 C79 C80 C81 C82 C83 C84 C85 C86 C87 C88 C89 C90 C91 C92 C93 C94 C95 C96 C97 C98 C99 C100 C101 C102 C103 C104 C105 C106 C107 C108 C109

See also	Messier Catalogue Catalogue of Nebulae and Clusters of Stars New General Catalogue Index Catalogue Revised New General Catalogue Herschel 400 Catalogue

Book:Caldwell catalogue Category:Caldwell objects Portal:Astronomy Commons:Caldwell objects

New General Catalogue 6500 to 6999

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Astronomical catalog List of NGC objects

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