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{{Infobox galaxy|name=[[New General Catalogue|NGC]] 4459|image=NGC 4459 wikisky.jpg|caption=NGC 4459中央的[[尘埃带]]，由[[哈勃太空望远镜]]拍摄。|epoch=[[J2000]]|type=SA0^+(r), [[低电离星系核|LINER]]<ref name="ned">{{cite web
| title=NASA/IPAC Extragalactic Database
| work=Results for NGC 4459
| url=http://nedwww.ipac.caltech.edu/
| access-date=2017-08-20}}</ref>|ra={{RA|12|29|00.0}}<ref name="ned" />|dec={{DEC|13|58|42}}<ref name="ned" />|dist_ly=52,500,000 [[光年]]|group_cluster=[[室女座星系团]]|z=0.003976/1192 km/s<ref name="ned" />|appmag_v=11.32 <ref name="ned" />|size_v=3.5 x 2.7<ref name="ned" />|constellation name=[[后发座]]|names=CGCG 70-116, IRAS 12264+1415, MCG 2-32-83, [[Principal Galaxies Catalogue|PGC]] 41104, [[Uppsala General Catalogue|UGC]] 7614, VCC 1154 <ref name="ned" />|size=~ 54,770 ly}}

'''NGC 4459'''是一个位于[[后发座]]的[[透镜状星系]]，距离地球约5000万光年<ref name=":0">{{Cite web |title=Your NED Search Results |url=https://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+4459&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=2017-08-22}}</ref><ref>{{Cite web |title=Galaxy NGC 4459 - Galaxy in Coma Berenices Constellation · Deep Sky Objects Browser |url=https://dso-browser.com/deep-sky/5505/ngc-4459/galaxy |website=DSO Browser |language=en |last=Rojas |first=Sebastián García |url-status=dead |archive-url=https://web.archive.org/web/20170822053347/https://dso-browser.com/deep-sky/5505/ngc-4459/galaxy |archive-date=2017-08-22 |access-date=2017-08-22}}</ref>。该星系也被归类为[[低電離星系核|LINER星系]]<ref name=":0" />。天文学家[[威廉·赫歇尔]]于1787年1月14日发现了NGC 4459<ref>{{Cite web |title=New General Catalog Objects: NGC 4450 - 4499 |url=http://cseligman.com/text/atlas/ngc44a.htm#4459 |website=cseligman.com |language=en-US |access-date=2017-08-18}}</ref>。该星系是[[室女座星系團|室女座星系团]]的成员<ref>{{Cite web |title=Detailed Object Classifications |url=https://ned.ipac.caltech.edu/cgi-bin/NEDatt?objname=NGC+4459 |website=ned.ipac.caltech.edu |access-date=2017-08-22}}</ref>。

== 物理特性 ==

=== 尘埃盘 ===
NGC 4459的中心有一个围绕着内环的絮状尘埃盘<ref>{{Cite journal |last=Young |first=Lisa M. |last2=((Bureau)) |first2=Martin |last3=Cappellari |first3=Michele |title=Structure and Kinematics of Molecular Disks in Fast‐Rotator Early‐Type Galaxies |journal=The Astrophysical Journal |date=23 December 2007 |volume=676 |page=317–334 |arxiv=0712.4189 |doi=10.1086/529019 |s2cid=119215566}}</ref><ref name=":1">{{Cite journal |last=Young |first=Lisa M. |last2=Bendo |first2=George J. |last3=Lucero |first3=Danielle M. |title=Mid- to Far-Infrared Emission and Star Formation in Early-Type Galaxies |journal=The Astronomical Journal |date=13 January 2009 |volume=137 |issue=2 |page=3053–3070 |arxiv=0811.1381 |bibcode=2009AJ....137.3053Y |doi=10.1088/0004-6256/137/2/3053 |s2cid=1996780}}</ref>。此外，似乎还有证据表明，尘埃盘中正在发生恒星形成<ref name=":1" />。

=== 超大质量黑洞 ===
NGC 4459有一个[[超大質量黑洞|超大质量黑洞]]，估计其质量约为7000万个太阳（{{Val|7|e=7}} [[太阳质量|M☉]]）。其直径估计约为2.87个[[天文單位|天文单位]]<ref>{{Cite web |title=List of black hole candidates |url=http://www.johnstonsarchive.net/relativity/bhctable.html |website=www.johnstonsarchive.net |access-date=2017-08-20}}</ref> <ref>{{Cite web |title=2.8662 Astronomical unit - Wolfram{{!}}Alpha Results |url=http://m.wolframalpha.com/input/?i=2.8662+Astronomical+unit |website=m.wolframalpha.com |access-date=2017-10-21}}</ref>。
[[File:NGC_4459_2MASS.jpg|left|thumb| NGC 4459的[[2微米全天巡天|2MASS]]图像]]

== 参见 ==

* [[NGC天体列表 (4000-4999)|NGC 天体列表（4001–5000）]]
* [[黑眼星系|梅西耶64]]

== 参考资料 ==
{{Reflist}}

== 外部链接 ==
{{WikiSky}}

{{Ngc45}}
{{后发座}}
[[Category:室女座星系團]]
[[Category:1787年發現的天體]]
[[Category:UGC天體]]
[[Category:PGC天體]]
[[Category:NGC天体]]
[[Category:后发座]]
[[Category:LINER星系]]
[[Category:透鏡狀星系]]

NGC 4459 - 版本历史

2026年2月24日 (二) 02:33 imported>Cheuye