| 词条 | NGC 6293 |
| 释义 |
| name = NGC 6293 | image = | caption = NGC 6293 as seen through the Hubble Space Telescope | credit = NASA/ESA | epoch = J2000 | class = IV[1] | constellation = Ophiuchus | ra = {{RA|17|10|10.42}}[2] | dec = {{DEC|-26|34|54.2}}[2] | dist_ly = 31000 ly[1] | dist_pc = 9500 pc | appmag_v = 9.02[2] | size_v = 7.9′ × 7.9′[1] | mass_msol = | mass_kg = | v_hb = | metal_fe = -1.99[3] | metal_z = | age = | notes = | names = 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 {{val|31000}}[1] to {{val|52000}} light-years away from Earth. [6]See also
References1. ^1 2 3 4 {{cite web|url=http://spider.seds.org/spider/MWGC/n6293.html|title=NGC 6293 - Hartmut Frommert - SEDS|work=Students for the Exploration and Development of Space: SEDS|accessdate=4 February 2017}} {{Star-cluster-stub}}2. ^1 2 3 {{cite simbad|title=NGC 6293|accessdate=4 February 2017}} 3. ^{{cite web|title=Catalog of Parameters for Milky Way Globular Clusters|url=http://physwww.mcmaster.ca/~harris/mwgc.dat|author1=William E. Harris|accessdate=3 February 2017}} 4. ^{{cite web|title=Object No. 1 - NGC 6293|url=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|website=NASA/IPAC extragalactic database|publisher=NASA/IPAC|accessdate=4 October 2015}} 5. ^{{cite web|title=NGC 6293 (= GCL 55)|url=http://cseligman.com/text/atlas/ngc62a.htm#6293|website=cseligman|accessdate=4 October 2015}} 6. ^{{cite web|title=The globular cluster NGC 6293|url=https://in-the-sky.org/data/object.php?id=5059|website=In-the-sky|accessdate=4 October 2015}} 3 : Globular clusters|NGC objects|Ophiuchus (constellation) |
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