imported>凌雲：/* top */

2025-05-23T09:07:16Z

top

新页面

{{Infobox globular cluster
| name = NGC 6342
| image = [[File:NGC 6342 hst 11628 R555B438.png|250px]]
| caption = 通過[[哈伯太空望遠鏡]]看到的NGC 6342
| epoch = [[J2000]]
| pronounce =
| constellation = [[蛇夫座]]
| ra = {{RA|17|21|10.1}}<ref name="NASA/IPAC">{{cite web|title=Object No. 1 - NGC 6342|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+6342&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|access-date=14 October 2015}}</ref>
| dec = {{DEC|-19|35|15}}<ref name="NASA/IPAC"/>
| z = 
| h_radial_v = {{val|+115.7|1.4|u=km/s}}<ref name=Seds/>
| gal_v = 
| dist_pc = 
| dist_ly = 
| group_cluster =
| class = IV<ref name=Seds/>
| mass =  
| mass_light_ratio = 
| metal_fe = −0.55<ref name=Johnson2016>{{citation|arxiv=1606.08491|doi=10.3847/0004-6256/152/1/21|title=The Chemical Composition of Red Giant Branch Stars in the Galactic Globular Clusters NGC 6342 and NGC 6366|year=2016|last1=Johnson|first1=Christian I.|last2=Caldwell|first2=Nelson|last3=Rich|first3=R. Michael|last4=Pilachowski|first4=Catherine A.|last5=Hsyu|first5=Tiffany|journal=The Astronomical Journal|volume=152|issue=1|page=21|bibcode=2016AJ....152...21J|s2cid=19812549 |doi-access=free }}</ref>
| size = 
| stars =
| appmag_v = 9.66<ref name=Seds/>
| absmag_v = −6.42<ref name=Seds/>
| size_v = 4.40{{prime}}
| notes =
| names = GCL 61 and ESO 587-SC6
| references = NASA/IPAC extragalactic datatbase, http://spider.seds.org/
}}
'''NGC 6342'''是位於星座[[蛇夫座]]的[[球狀星團]]。它的[[夏普力-索耶集中度分類法]]是IV<ref name=Seds>{{cite web|title=Revised NGC Data for NGC 6342|url=http://spider.seds.org/ngc/revngcic.cgi?NGC6342|website=Seds|access-date=14 October 2015}}</ref>。它是由德國出生的英國天文學家[[威廉·赫雪爾]] 於1786年5月28日發現的<ref name=cseligman>{{cite web|title=NGC 6342 (= GCL 61)|url=http://cseligman.com/text/atlas/ngc63.htm#6342|website=cseligman|access-date=14 October 2015}}</ref>。它距離地球28,000光年<ref name=Seds1>{{cite web|title=NGC 6342|url=http://spider.seds.org/spider/MWGC/n6342.html|website=Seds|access-date=14 October 2015}}</ref><ref name=In-the-sky>{{cite web|title=The globular cluster NGC 6342|url=https://in-the-sky.org/data/object.php?id=5097|website=In-the-sky|access-date=14 October 2015}}</ref>。

NGC 6342被歸類為富含金屬，且所有恆星都是同一時期形成的<ref name=Johnson2016/>。

== 相關條目 ==
* [[NGC天體列表 (6000-6999)]]
* {{link-en|NGC天體列表|List of NGC objects}}
* [[NGC 6366]]
* [[M71]]

== 參考文獻 ==
{{reflist}}

== 外部連結 ==
* {{commons category-inline}}

{{Ngc65}}

[[Category:球狀星團]]
[[Category:NGC天體|6342]]
[[Category:蛇夫座]]

NGC 6342 - 版本历史

imported>凌雲：​/* top */

imported>凌雲：/* top */