NGC 6293

Globular cluster in the constellation of Ophiuchus

NGC 6293
NGC 6293 as seen through the Hubble Space Telescope
Observation data (J2000 epoch)
Class	IV^[1]
Constellation	Ophiuchus
Right ascension	17^h 10^m 10.42^s^[2]
Declination	−26° 34′ 54.2″^[2]
Distance	31000 ly^[1] (9500 pc)
Apparent magnitude (V)	9.02^[2]
Apparent dimensions (V)	7.9′ × 7.9′^[1]
Physical characteristics
Metallicity	${\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}$ = -1.99^[3] dex
Other designations	GCl 55, VDBH 215^[2]
See also: Globular cluster, List of globular clusters

NGC 6293 is a globular cluster located in the constellation Ophiuchus.^[4] Its Shapley–Sawyer Concentration Class is IV.^[1] It was discovered by the American astronomer Lewis A. Swift on 8 July 1885.^[5] Like many other globular clusters, its distance is not well known; it may be anywhere from 31000^[1] to 52000 light-years away from Earth. ^[6]

References

^ ^a ^b ^c ^d ^e "NGC 6293 - Hartmut Frommert - SEDS". Students for the Exploration and Development of Space: SEDS. Retrieved 4 February 2017.
^ ^a ^b ^c ^d "NGC 6293". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 4 February 2017.
^ William E. Harris. "Catalog of Parameters for Milky Way Globular Clusters". Retrieved 3 February 2017.
^ "Object No. 1 - NGC 6293". NASA/IPAC extragalactic database. NASA/IPAC. Retrieved 4 October 2015.
^ "NGC 6293 (= GCL 55)". cseligman. Retrieved 4 October 2015.
^ "The globular cluster NGC 6293". In-the-sky. Retrieved 4 October 2015.