Astronomy:NGC 6293
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Short description: 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 | 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 | [math]\displaystyle{ \begin{smallmatrix}\left[\ce{Fe}/\ce{H}\right]\end{smallmatrix} }[/math] = -1.99[3] dex |
| Other designations | GCl 55, VDBH 215[2] |
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]
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 "NGC 6293 - Hartmut Frommert - SEDS". Students for the Exploration and Development of Space: SEDS. http://spider.seds.org/spider/MWGC/n6293.html.
- ↑ 2.0 2.1 2.2 2.3 "NGC 6293". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+6293.
- ↑ "Catalog of Parameters for Milky Way Globular Clusters". http://physwww.mcmaster.ca/~harris/mwgc.dat.
- ↑ "Object No. 1 - NGC 6293". NASA/IPAC. http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+6293&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES.
- ↑ "NGC 6293 (= GCL 55)". http://cseligman.com/text/atlas/ngc62a.htm#6293.
- ↑ "The globular cluster NGC 6293". https://in-the-sky.org/data/object.php?id=5059.
External links
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