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NGC 5009 - 版本历史
2026-07-18T22:15:54Z
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<p><b>新页面</b></p><div>{{Infobox Galaxy|name=[[NGC天體表|NGC]] 5009|image=NGC5009 - SDSS DR14.jpg|caption=NGC 5009|epoch=[[曆元|J2000]]|type=SBb|ra={{RA|13|10|47.0}}|dec={{DEC|+50|05|34}}|dist_ly=|group_cluster=|h_radial_v=(9450 ± 32) km/s|z=|appmag_v=|size_v=1.1′ × 0.7′|constellation name=[[猎犬座]]|names=|size=}}<br />
'''NGC 5009'''是位于[[猎犬座]]北部的一个[[视星等]]为14.5的[[哈伯序列|哈勃序列]][[棒旋星系]]。它距离[[银河系]]约4.26 亿光年，直径约135,000光年<ref>{{Cite web |title=Your NED Search Results |url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+5009&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=ned.ipac.caltech.edu |access-date=2022-06-27 |archive-date=2022-06-30 |archive-url=https://web.archive.org/web/20220630053513/http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+5009&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 |dead-url=no }}</ref><ref>{{Cite web |title=NGC 5009 |url=http://simbad.u-strasbg.fr/simbad/sim-id |website=simbad.u-strasbg.fr |access-date=2022-06-27 |archive-date=2022-05-03 |archive-url=https://web.archive.org/web/20220503173830/http://simbad.u-strasbg.fr/simbad/sim-id |dead-url=no }}</ref>。邻近[[NGC 4998]]星系，该天体最早于1789年4月26日由[[威廉·赫歇爾|威廉·赫歇尔]]用一台18.7英寸的反射望远镜首次发现<ref>{{Cite web |title=DOCdb - NGC 5009 |url=http://www.docdb.net/show_object.php?id=ngc_5009 |website=www.docdb.net |access-date=2022-06-27 |archive-date=2022-06-27 |archive-url=https://web.archive.org/web/20220627095200/http://www.docdb.net/show_object.php?id=ngc_5009 |dead-url=no }}</ref><ref>{{Cite web |title=New General Catalog Objects: NGC 5000 - 5049 |url=http://cseligman.com/text/atlas/ngc50.htm#5009 |website=cseligman.com |access-date=2022-06-27 |archive-date=2018-05-15 |archive-url=https://web.archive.org/web/20180515112236/http://cseligman.com/text/atlas/ngc50.htm#5009 |dead-url=no }}</ref>。<br />
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== 引用 ==<br />
<references /><br />
<br />
{{NGCReference|5009}}<br />
{{Catalogs|NGC=5009}}<br />
<br />
[[Category:棒旋星系]]<br />
[[Category:獵犬座NGC天體]]<br />
[[Category:威廉·赫歇尔发现的天体]]</div>
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