| NGC 6293 | |
|---|---|
 NGC 6293 as seen through the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Class | IV[1] |
| Constellation | Ophiuchus |
| Right ascension | 17h 10m 10.42s[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 | = -1.99[3] dex |
| Other designations | GCl 55, VDBH 215[2] |
![{\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/4c0821bd80891e071c08e7c7ee8e022baedf522c)
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]
- ^ 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.