NGC 5694

NGC 5694
The core of NGC 5694 imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
Class	VII^[1]
Constellation	Hydra
Right ascension	14^h 39^m 36.5^s^[2]
Declination	−26° 32′ 18.0″^[2]
Distance	114,100ly^[1]
Apparent magnitude (V)	10.2^[1]
Apparent dimensions (V)	3.6′^[1]
Physical characteristics
Metallicity	${\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}$ = –1.74^[3] dex
Estimated age	13.44 Gyr^[3]
Other designations	Caldwell 66

NGC 5694 is a globular cluster in the constellation Hydra. It was discovered in 1784 by William Herschel.

Characteristics

This globular cluster is located at a distance of 114,000 light-years (35,000 pc) from the Sun and 96,000 light-years (29,000 pc) from the Galactic center^[4] and is one of the oldest known globular clusters in the Milky Way Galaxy, forming nearly 12 billion years ago.^[5]

References

1 2 3 4 "SEDS NGC Catalog Online". Results for NGC 5694. Retrieved 2010-12-07.
1 2 "SIMBAD Astronomical Database". Results for NGC 5694. Retrieved 2010-12-07.
1 2 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.
↑ Harris, W.E. (1996). "A Catalog of Parameters for Globular Clusters in the Milky Way". AJ. 112: 1487. Bibcode:1996AJ....112.1487H. doi:10.1086/118116.
↑ "NGC/IC Project". Results for NGC 5694. Retrieved 2010-12-07.

External links

NGC 5694 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

Coordinates: 14^h 39^m 36.5^s, −26° 32′ 18.0″

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

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