imported>CommonsDelinker：Bot：以XRISM_Spots_Iron_Fingerprints_in_Nearby_Active_Galaxy_(SVS14584_-_n4151_lg).jpg代替NGC_4151.jpg（CommonsDelinker的要求：Duplicate: Exact or scaled-down du

2026-05-21T10:10:44Z

Bot：以XRISM_Spots_Iron_Fingerprints_in_Nearby_Active_Galaxy_(SVS14584_-_n4151_lg).jpg代替NGC_4151.jpg（CommonsDelinker的要求：Duplicate: Exact or scaled-down du

新页面

{{Infobox Galaxy
| name = [[星雲和星團新總表|NGC]] 4151
| image = [[Image:XRISM Spots Iron Fingerprints in Nearby Active Galaxy (SVS14584 - n4151 lg).jpg|300px]]
|caption =NGC 4151假色影像，藍色為X射線、黃色為可見光、紅色為無線電波。
| credit=
| epoch = [[J2000]]
| type = (R')SAB(rs)ab<ref name="ned">{{cite web
| title=NASA/IPAC Extragalactic Database
| work=Results for NGC 4151
| url=http://nedwww.ipac.caltech.edu/
| accessdate=2007-03-27
| archive-date=2011-05-14
| archive-url=https://web.archive.org/web/20110514100451/http://nedwww.ipac.caltech.edu/
| dead-url=no
}}</ref> [[西佛星系|Sy1]]<ref name="simbad">{{cite web
| publisher= SIMBAD Astronomical Database
| title= NGC 4151
| url= http://simbad.u-strasbg.fr/simbad/sim-id?submit=display&bibdisplay=refsum&bibyear1=1850&bibyear2=%24currentYear&Ident=%401877869&Name=NGC++4151
| accessdate= 2014-06-06
| archive-date= 2017-11-07
| archive-url= https://web.archive.org/web/20171107221326/http://simbad.u-strasbg.fr/simbad/sim-id?submit=display&bibdisplay=refsum&bibyear1=1850&bibyear2=$currentYear&Ident=@1877869&Name=NGC++4151
| dead-url= no
}}</ref>
| ra = {{RA|12|10|32.6}}<ref name="ned" />
| dec = {{DEC|+39|24|21}}<ref name="ned" />
| dist_ly = {{convert|19|Mpc|e6ly|abbr=on|lk=off}} <ref name="W. M. Keck Observatory-2014-11-26"/>
| z = 0.003262<ref name="simbad"/> 995 ± 3 km/[[秒|s]]<ref name="ned" />
| appmag_v = 11.5<ref name="ned" />
| size_v = 6′.4 × 5′.5<ref name="ned" />
| constellation name = [[獵犬座]]
| notes =
| names = [[乌普萨拉总目录|UGC]] 7166<ref name="ned" />, [[主要星系目录|PGC]] 38739<ref name="ned" />
}}
'''NGC 4151'''是位於[[獵犬座]]的帶有疏鬆內環結構的[[中間螺旋星系|中間螺旋]][[西佛星系]]，距離地球{{convert|19|Mpc|e6ly|abbr=off|lk=on}}<ref name="W. M. Keck Observatory-2014-11-26">{{cite web |title= ‘Eye of Sauron’ Provides New Way of Measuring Distances to Galaxies |url= http://www.keckobservatory.org/recent/entry/eye_of_sauron_provides_new_way_of_measuring_distances_to_galaxies |accessdate= 2014-11-27 |date= 2014-11-26 |publisher= W. M. Keck Observatory |author= W. M. Keck Observatory |archive-url= https://web.archive.org/web/20141205035754/http://www.keckobservatory.org/recent/entry/eye_of_sauron_provides_new_way_of_measuring_distances_to_galaxies |archive-date= 2014-12-05 |dead-url= yes }}</ref>，天球上位於[[獵犬座]]。該星系由[[威廉·赫歇爾]]於1787年3月17日首次記錄；它也是定義西佛星系的論文中提及的兩個星系之一<ref name="seyfert1943">{{cite journal
| author=C. K. Seyfert
| title=Nuclear Emission in Spiral Nebulae
| url=https://archive.org/details/sim_astrophysical-journal_1943-01_97_1/page/28
| journal=Astrophysical Journal
| date=1943
| volume=97
| pages=28–40
| bibcode=1943ApJ....97...28S
| doi=10.1086/144488
}}</ref> 。NGC 4151是核心中擁有快速成長中的[[超大質量黑洞]]星系中距離地球最近的其中一個<ref>{{cite web|title=NGC 4151: An active black hole in the "Eye of Sauron"|url=http://www.astronomy.com/News-Observing/News/2011/03/NGC%204151%20active%20black%20hole%20in%20the%20Eye%20of%20Sauron.aspx|publisher=''Astronomy'' magazine|accessdate=2011-03-14|date=2011-03-11|archive-date=2019-03-29|archive-url=https://web.archive.org/web/20190329112815/http://www.astronomy.com/News-Observing/News/2011/03/NGC|dead-url=no}}</ref>。天文學家推測NGC 4151的核心可能存在環繞質量中心旋轉中的[[雙黑洞]]，質量分別為4000萬和1000萬倍太陽質量，軌道週期15.8年<ref>{{Cite journal| arxiv=1209.4524 | display-authors=4 | author1=Bon | author2=Jovanović | author3=Marziani | author4=Shapovalova | author5=Bon | author6=Borka Jovanović | author7=Borka | author8=Sulentic | author9=Popović | title=The First Spectroscopically Resolved Sub-parsec Orbit of a Supermassive Binary Black Hole | journal=The Astrophysical Journal | volume=759 | issue=2 | pages=118–125 | date=2012| doi=10.1088/0004-637X/759/2/118 |bibcode = 2012ApJ...759..118B }}</ref>。不過，該系統是否存在仍持續爭論中。

部分天文學家就NGC 4151的外觀，稱呼它為《[[索倫之眼]]》<ref>{{cite web |url= http://chandra.harvard.edu/photo/2011/n4151/ |title= NGC 4151: An Active Black Hole in the "Eye of Sauron" |publisher= Chandra X-ray Center |author= Chandra X-ray Observatory |date= 10 March 2011 |accessdate= 2017-05-19 |archive-date= 2014-01-07 |archive-url= https://web.archive.org/web/20140107112358/http://chandra.harvard.edu/photo/2011/n4151/ |dead-url= no }}</ref>。

== X射線源 ==
[[File:X-ray 'Echoes' Probe Habitat of Monster Black Hole.ogv|thumb|upright=1.2|right|天文學家以[[歐洲太空總署]]的[[XMM-牛顿卫星]]觀測資料發現了來自NGC 4151的長期X射線輻射訊號。當核心中的黑洞發出X射線閃焰，其外圍的吸積盤反映了之後半小時的輻射強度。]]
NGC 4151的第一個X射線源是在1970年12月24日被發現的，發現的是X射線天文衛星[[烏呼魯衛星|烏呼魯]]<ref name=Gursky71>{{cite journal |author=Gursky H, Kellogg EM, Leong C, Tananbaum H, Giacconi R |title=Detection of X-Rays from the Seyfert Galaxies NGC 1275 and NGC 4151 by the UHURU Satellite |journal=Ap J. |volume=165 |issue=4 |pages=L43-8 |url=http://adsabs.harvard.edu/abs/1971ApJ...165L..43G |doi=10.1086/180713 |date=Apr 1971 |access-date=2011-01-19 |archive-date=2019-08-07 |archive-url=https://web.archive.org/web/20190807133906/http://adsabs.harvard.edu/abs/1971ApJ...165L..43G }}</ref>。

[[HEAO 1]]在 1H 1210+393偵測到NGC 4151的另一個X射線源，它在[[烏呼魯衛星|烏呼魯]]的誤差框之外<ref name=Wood>{{cite journal |author=Wood KS, Meekins JF, Yentis DJ, Smathers HW, McNutt DP, Bleach RD |title=The HEAO A-1 X-ray source catalog |journal=Ap J Suppl Ser. |volume=56 |issue=12 |pages=507–649 |url=http://articles.adsabs.harvard.edu/full/1984ApJS...56..507W/0000507.000.html |date=December 1984 |access-date=2011-01-19 |archive-date=2020-10-07 |archive-url=https://web.archive.org/web/20201007025806/http://articles.adsabs.harvard.edu/full/1984ApJS...56..507W/0000507.000.html }}</ref>。

[[愛因斯坦衛星|愛因斯坦天文台]]在NGC 4151內觀測到一個[[蝎虎座BL型天體]]1E 1207.9+3945 (1E星表) <ref name=Warwick>{{ cite journal |author=Warwick RS, Done C, Smith DA |title=The soft X-ray spectrum of NGC 4151 revisited |journal=Mon Not Roy Astron Soc (MNRAS). |volume=275 |issue=4 |pages=1003–16 |url=http://adsabs.harvard.edu/full/1995MNRAS.275.1003W |date=Aug 1995}}</ref>。 [[倫琴衛星|ROSAT]]在NGC 4151 (20 Mpc)場：1E 1207.9+3945，[[赤經]] (2000) {{RA|12|10|26.2}}[[赤緯]] (2000) {{DEC|+39|29|03}}偵測到一個明亮的X射線源<ref name=Warwick/>。

== X射線強度 ==
[[File:NGC4151HSTWiki.jpg|thumb|left|[[哈伯太空望遠鏡]]以[[第三代廣域照相機]]（WFC3）拍攝的NGC 4151。]]
最初偵測到的X射線源(2U 1207+39)亮度 (Lx) 大約是~1.1 x 1042 ergs/s (距離13 Mpc)<ref name=Gursky71/>。

== X射線源位置 ==
X射線源(2U 1207+39)的平行四邊形 (誤差框)伸展從~1136+392 至 ~1212+396<ref name=Gursky71/>，誤差框的大部分都在[[大熊座]]的範圍內。

== 相關條目 ==
* [[X射線天文學]]

== 外部練結 ==
* [http://hubblesite.org/newscenter/archive/releases/1997/18/image/a/ '''Hubble site news center''': Fireworks Near a Black Hole in the Core of Seyfert Galaxy NGC 4151]{{Wayback|url=http://hubblesite.org/newscenter/archive/releases/1997/18/image/a/ |date=20110527172338 }}

== 參考資料 ==
{{reflist}}

{{Catalogs|NGC=4151}}

{{Authority control}}
[[Category:中間螺旋星系]]
[[Category:西佛星系]]
[[Category:獵犬座NGC天體|4151]]
[[Category:UGC天體|07166]]
[[Category:PGC天體|38739]]
[[Category:天文学X射线源]]
[[Category:1787年發現的天體]]

NGC 4151 - 版本历史

imported>CommonsDelinker：​Bot：以XRISM_Spots_Iron_Fingerprints_in_Nearby_Active_Galaxy_(SVS14584_-_n4151_lg).jpg代替NGC_4151.jpg（CommonsDelinker的要求：Duplicate: Exact or scaled-down du

imported>CommonsDelinker：Bot：以XRISM_Spots_Iron_Fingerprints_in_Nearby_Active_Galaxy_(SVS14584_-_n4151_lg).jpg代替NGC_4151.jpg（CommonsDelinker的要求：Duplicate: Exact or scaled-down du