NGC 6293

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]

NGC 6293
NGC 6293 as seen through the Hubble Space Telescope Credit: NASA/ESA
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	${\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}$ = -1.99[3] dex
Other designations	GCl 55, VDBH 215[2]

See also

• List of NGC objects (6001–7000)
• List of NGC objects

References

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

External links

• Media related to NGC 6293 at Wikimedia Commons