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NGC 4833 - 版本历史
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<p><b>新页面</b></p><div>{{Infobox globular cluster<br />
| name = NGC 4833<br />
| image = [[File:NGC 4833 Hubble WikiSky.jpg|220px]]<br />
| epoch = [[J2000]]<br />
| class = VIII<br />
| constellation = [[蒼蠅座]]<br />
| ra = {{RA|12|59|34.98}}<ref name="simbad">{{cite web<br />
| title=SIMBAD Astronomical Database<br />
| work=Results for NGC 4833<br />
| url=http://simbad.u-strasbg.fr/Simbad<br />
| accessdate=2006-11-17<br />
| archive-date=2019-05-01<br />
| archive-url=https://web.archive.org/web/20190501023034/http://simbad.u-strasbg.fr/simbad/<br />
| dead-url=no<br />
}}</ref><br />
| dec = {{DEC|-70|52|28.6}}<ref name="simbad" /><br />
| dist_ly = 21.2 [[光年|kly]]<br />
| dist_pc = 6.5 [[秒差距|kpc]]<br />
| appmag_v = +7.79<ref name="simbad" /><br />
| size_v = 13′.5<br />
| mass_kg =<br />
| mass_msol =<br />
| radius_ly = 42 ly<ref>distance × sin( diameter_angle / 2 ) = 42 ly. radius</ref><br />
| v_hb =<br />
| age = 15 Gyr<br />
| notes =<br />
| names = GCl 21,<ref name="simbad" /> Lacaille I.4<br />Dunlop 164, Bennett 56}}<br />
<br />
'''NGC 4833'''[[尼可拉·路易·拉卡伊]]在1751年至1752年在南非旅行途中發現的[[球狀星團]]，並在1755登錄在星表內。它隨後也被[[詹姆士·丹露帕]]和[[約翰·赫歇爾]]觀測和收錄至星表內，它們的儀器可以將恆星解析出來。<br />
<br />
這個球狀星團在非常南邊的[[蒼蠅座]]，距離[[地球]]21,200[[光年]]。它的一部份被銀河盤面多灰塵的區域遮蔽著，在修正塵埃的紅化之後，他仍然比[[M5]]或[[M92 (球狀星團)|M92]]的年齡大了20億歲。<br />
<br />
== 參考資料 ==<br />
{{Reflist}}<br />
#CCD Photometry of the Globular Cluster NGC 4833 and Extinction Near the Galactic Plane, Melbourne et al, 25 September 2000, Astrophysics Journal<br />
<br />
== 外部連結 ==<br />
*[https://web.archive.org/web/20011102065000/http://www.fortunecity.com/roswell/borley/49/u451.htm#NGC4833 Discovery and early observations]<br />
*[https://web.archive.org/web/20080413133415/http://www.seds.org/messier/xtra/ngc/n4833.html Basic information and data]<br />
*[http://www.astrosurf.com/antilhue/ngc4833.htm Photographed by the Antilhue amateur astronomical observatory]{{Wayback|url=http://www.astrosurf.com/antilhue/ngc4833.htm |date=20080302071604 }}<br />
*[http://www.citebase.org/cgi-bin/citations?id=oai:arXiv.org:astro-ph/0009401 Photometry applied to NGC 4833]{{dead link|date=2017年11月 |bot=InternetArchiveBot |fix-attempted=yes }}<br />
*[https://web.archive.org/web/20050322092632/http://ourworld.compuserve.com/homepages/silmerina/musglobs.htm Position relative to nearby cluster NGC 4372]<br />
<br />
== 相關條目 ==<br />
*[[星雲和星團新總表]]<br />
{{star-cluster-stub}}<br />
<br />
{{Catalogs|NGC=4833}}<br />
<br />
[[Category:球狀星團]]<br />
[[Category:蒼蠅座NGC天體|4833]]<br />
{{科德韦尔天体}}<br />
[[Category:科德韦尔天体|105]]</div>
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