https://arolstar52-zhtest.hf.space/index.php?action=history&feed=atom&title=NGC_7
NGC 7 - 版本历史
2026-07-17T12:42:52Z
在这个wiki上该页的修订历史
MediaWiki 1.43.9
https://arolstar52-zhtest.hf.space/index.php?title=NGC_7&diff=134988&oldid=prev
imported>勾陈一5744：修饰语句
2026-03-28T17:32:44Z
<p>修饰语句</p>
<p><b>新页面</b></p><div>{{Infobox galaxy<br />
| name = NGC 7<br />
| image =[[File:NGC7 ESO KIDS.jpg|220px|NGC 7]]<br />
| caption = NGC 7<br />
| credit =<br />
| epoch =<br />
| constellation name = [[玉夫座]]<br />
| ra = {{RA|00|08|20.9}}<br />
| dec = {{DEC|-29|54|54}}<br />
| z = 0.004987<ref name=ned>{{cite web<br />
|title=NASA/IPAC Extragalactic Database<br />
|work=Results for NGC 0007<br />
|url=https://ned.ipac.caltech.edu/byname?objname=ngc+7&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1<br />
|accessdate=2026-03-22 |language=en<br />
}}</ref><br />
| h_radial_v = 1495 ± 2km/s<ref name=ned/><br />
| dist_ly = 17.82 ± 1.28 Mpc<ref name=ned/>（哈勃距离）<br />
| type = [[漩涡星系]]或[[棒旋星系]]<ref name=ned/><br />
| appmag_v = 13.84 ± 0.18<ref name=leda/><br />
| size_v = 2.2' x 0.5'<ref name=ned/><br />
| size = 20.51 kpc <ref name=ned/><br />
| notes =<br />
| names = PGC 627<ref name=leda>{{cite web<br />
|title=Hyperleda<br />
|work=Results for NGC 7<br />
|url=http://atlas.obs-hp.fr/hyperleda/ledacat.cgi?o=ngc%207<br />
|accessdate=2026-03-22 |language=en<br />
}}</ref><br />
<br />
}}<br />
<br />
'''NGC 7'''（'''PGC 627'''）是[[玉夫座]]的[[漩渦星系]]。该星系V波段视星等为13.84，赤经为{{RA|00|08|20.9}}，赤纬为{{DEC|-29|54|54}}。1834年9月27日，英國天文學家[[約翰·赫歇爾]]發現了该星系。根据他的描述，这是一个“非常暗弱, 非常大，非常弥散, 亮度分布很均匀。”的星系<ref name="cse">{{Cite web |title=New General Catalog Objects: NGC 1 - 50 |url=https://cseligman.com/text/atlas/ngc0.htm#7 |date=2026-03-22 |language=en |last=Seligman |first=Courtney}}</ref>。<br />
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==參考文獻==<br />
{{Reflist}}<br />
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==外部連結==<br />
{{Commons category}}<br />
* {{WikiSky}}<br />
<br />
{{Catalogs|NGC=7|PGC=627|h=4014|GC=2}}<br />
<br />
{{DEFAULTSORT:NGC 0007}}<br />
<br />
{{Galaxy-stub}}<br />
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[[Category:玉夫座NGC天体|玉夫座NGC天体]]<br />
[[Category:约翰·赫歇尔发现的天体]]</div>
imported>勾陈一5744