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	${\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}$ = –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. "SEDS NGC Catalog Online". Results for NGC 5694. Retrieved 2010-12-07.
2. "SIMBAD Astronomical Database". Results for NGC 5694. Retrieved 2010-12-07.
3. 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.
4. 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.
5. "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″