NGC 6293
Globular cluster in the constellation of Ophiuchus
From Wikipedia, the free encyclopedia
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 | |
| 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 | [Fe/H] = −1.99[3] dex |
| Other designations | GCl 55, VDBH 215[2] |