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{{Short description|Globular cluster in the constellation Ophiuchus}}
{{Infobox globular cluster
| name = NGC 6355
| image =
| caption = NGC 6355
| epoch = [[J2000]]
| pronounce =
|
| dec = {{DEC|-26|21|12}}<ref name="NASA/IPAC"/>
| z = <!--{{val||}}-->
| h_radial_v = {{val|-176.9|7.1|u=km/s}}
| gal_v = <!--{{val|||u=km/s}}-->
| dist_pc =
| dist_ly = <!--{{convert|000|+/-|00|kly|kpc|abbr=on|lk=on}}{{hub|0.73}}-->
| group_cluster =
| type =
| mass = <!-- In solar masses --> <!--{{Val|0|e=0}}-->
| mass_light_ratio = <!-- In solar units -->
| size = <!-- In light years -->
| stars =
| age = 13.2 ± 1.1 Gyr<ref name=Souza>{{cite journal|doi=10.1051/0004-6361/202245286 |title=Chrono-chemodynamical analysis of the globular cluster NGC 6355: Looking for the fundamental bricks of the Bulge |date=2023 |last1=Souza |first1=S. O. |last2=Ernandes |first2=H. |last3=Valentini |first3=M. |last4=Barbuy |first4=B. |last5=Chiappini |first5=C. |last6=Pérez-Villegas |first6=A. |last7=Ortolani |first7=S. |last8=Friaça |first8=A. C. S. |last9=Queiroz |first9=A. B. A. |last10=Bica |first10=E. |journal=Astronomy & Astrophysics |volume=671 |pages=A45 |bibcode=2023A&A...671A..45S | arxiv=2301.05227 }}</ref>
| metal_fe = −1.39 ± 0.08<ref name=Souza/>
| appmag_v = 8.6<ref name=Seds1>{{cite web|title=NGC 6355|url=http://spider.seds.org/spider/MWGC/n6355.html|website=Seds|access-date=14 October 2015}}</ref>
| absmag_v = -8.07
| size_v = 4.20<ref name=Seds1/>
| notes =
| names = [[Collinder catalogue|Cr]] 330, GCL 63 and ESO 519-SC15
| references =
}}
▲'''NGC 6355''' is a [[globular cluster]] located in the constellation [[Ophiuchus]]. It is designated as '''GCL''' in the [[Galaxy morphological classification|galaxy morphological classification scheme]] and was discovered by the German-born British astronomer [[William Herschel]] on 24 May 1784. It is at a distance of 31,000 light years away from earth. <ref name=NASA/IPAC>{{cite web|title=Object No. 1 - NGC 6355|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+6355&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=14 October 2015}}</ref><ref name=Seds>{{cite web|title=Revised NGC Data for NGC 6355|url=http://spider.seds.org/ngc/revngcic.cgi?NGC6355|website=Seds|accessdate=14 October 2015}}</ref><ref name=cseligman>{{cite web|title=NGC 6355 (= GCL 63)|url=http://cseligman.com/text/atlas/ngc63a.htm#6355|website=cseligman|accessdate=14 October 2015}}</ref><ref name=Seds1>{{cite web|title=NGC 6355|url=http://spider.seds.org/spider/MWGC/n6355.html|website=Seds|accessdate=14 October 2015}}</ref><ref name=In-the-sky>{{cite web|title=The globular cluster NGC 6355|url=https://in-the-sky.org/data/object.php?id=5107|website=In-the-sky|accessdate=14 October 2015}}</ref>
'''NGC 6355''' is a [[globular cluster]] located in the constellation [[Ophiuchus]].<ref name=In-the-sky>{{cite web|title=The globular cluster NGC 6355|url=https://in-the-sky.org/data/object.php?id=NGC6355|website=In-the-sky|access-date=31 October 2016}}</ref> It is at a distance of 28,000 light years away from Earth, and is currently part of the [[Galactic bulge]].<ref name=Souza/>
NGC was discovered by the German-born British astronomer [[William Herschel]] on 24 May 1784.<ref name=cseligman>{{cite web|title=NGC 6355 (= GCL 63)|url=http://cseligman.com/text/atlas/ngc63a.htm#6355|website=cseligman|access-date=14 October 2015}}</ref> It was initially thought to be an [[open cluster]], but its true nature as a globular cluster was later confirmed. It is a [[core collapse (cluster)|core-collapse]] cluster.<ref name=Souza/>
== See also ==
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== References ==
{{reflist}}
== External links ==
* {{Commons category-inline}}
{{Astronomical catalogs|NGC=6355|Collinder=330}}
{{NGC objects:6000-6499}}
[[Category:Globular clusters]]
[[Category:NGC objects|6355]]
[[Category:Ophiuchus
{{Star-cluster-stub}}
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