NGC 6101

NGC 6101
Observation data (J2000 epoch)
Class	X[1]
Right ascension	16^h 25^m 48.12^s[2]
Declination	–72° 12′ 07.9″[2]
Apparent magnitude (V)	9[3]
Apparent dimensions (V)	10.7[3]
Physical characteristics
Metallicity	$\begin{smallmatrix}\left[{Fe}/{H}\right]\end{smallmatrix}$ = –1.76[4] dex
Estimated age	12.54 Gyr[4]
Other designations	Caldwell 107

Hubble Space Telescope image of the central region of NGC 6101

NGC 6101 is a globular cluster in the constellation Apus, which was discovered by James Dunlop and catalogued by him as Δ68. It requires a telescope of at least 20 cm (7.9 in) aperture to resolve individual stars.^[3]

References

1. Shapley, Harlow; Sawyer, Helen B. (August 1927), "A Classification of Globular Clusters", Harvard College Observatory Bulletin (849): 11–14, Bibcode:1927BHarO.849...11S.
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.
3. Dunlop, Storm (2005). Atlas of the Night Sky. Collins. ISBN 0-00-717223-0.
4. 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.