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{{Infobox Galaxy
| name = [[New General Catalogue|NGC]] 4319
| image = NGC 4319 I HST2002.jpg
| image_size = 250px
| caption= [[哈伯太空望遠鏡]]拍攝的NGC 4319的影像，馬卡萊恩205位於右上方。
| credit= HST/[[NASA]]/[[ESA]].
| epoch = [[J2000]]
| type = SB(r)ab<ref name="Erwin2013"/>
| ra = {{RA|12|21|43.846}}<ref name="ApJ131_1163"/>
| dec = {{DEC|+75|19|21.45}}<ref name="ApJ131_1163"/>
| z = 0.004526<ref name=ned/>
| h_radial_v = {{nowrap|1,357 ± 46<ref name="Crook2007"/> [[km/s]]}}
| dist_ly = {{nowrap|76.6 [[光年|Mly]]}} {{nowrap|(23.48 [[parsec|Mpc]])}}<ref name="Crook2007"/>
| appmag_v = 12.8<ref name="ned" />
| size_v = {{nowrap|3′.0 × 2′.3}}<ref name="ned" />
| constellation name = [[天龍座]]
| notes =
| names =[[New General Catalogue|NGC]] 4345, [[Uppsala General Catalogue|UGC]] 7429,<ref name="ned" /> [[Principal Galaxies Catalogue|PGC]] 39981<ref name="ned" />
}}

'''NGC 4319'''是一個[[棒旋星系]]，位於[[天龍座]]，距離[[地球]]約7,700萬[[光年]]。形態分類為SB(r)ab，顯示它是一種具有內環結構和中度至緊密纏繞臂的棒狀螺旋<ref name="Buta2007"/>。NGC 4319位置靠近[[NGC 4291]]和[[NGC 4386]]星系，中間間隙發出的[[X射線]]顯示NGC 4319與NGC 4291可能正在相互作用。與[[銀河系]]相比，NGC 4319的[[電離氫]]比例要高得多<ref name="Bowen1993"/>。

1971年，[[美國]][[天文學家]][[赫頓·阿普]]注意到NGC 4319和馬卡萊恩205之間似乎存在物理聯繫，馬卡萊恩205是一顆具有更高紅移的[[類星體]]。他認為，如果馬卡萊恩205不是背景天體，那麼它可能是從這個星系的核心噴射出來的<ref name="Arp1971"/>。兩者之間明顯發光聯繫引起一場天文學家之間的爭議，其他天文學家試圖反駁這一說法並提供解釋<ref name="Sulentic1983"/>。[[哈伯太空望遠鏡]]的觀測表明，來自馬卡萊恩205的光線穿過NGC 4319 的圓盤和光暈到達地球，顯示馬卡萊恩205其實是一個背景天體<ref name="Bahcall1992"/>。

==參考資料==
{{Reflist|refs=
<ref name="ned">{{cite web
| title=NASA/IPAC Extragalactic Database
| work=Results for NGC 4319
| url=http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+4319&img_stamp=yes&extend=no
| access-date=2007-03-30
| archive-date=2020-01-04
| archive-url=https://web.archive.org/web/20200104003204/http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+4319&img_stamp=yes&extend=no
| dead-url=no
}}</ref>

<ref name="Buta2007">{{Citation
| first1 = Ronald J.
| last1 = Buta
| first2 = Harold G.
| last2 = Corwin
| first3 = Stephen C.
| last3 = Odewahn
| display-authors = 1
| title = Atlas of Galaxies
| publisher = [[Cambridge University Press]]
| pages = 13–17
| date = 2007
| isbn = 978-0521820486
| url = https://books.google.com/books?id=g-P7dCbB5MEC&pg=PA16
| postscript= .
}}</ref>

<ref name="ApJ131_1163">{{cite journal |doi=10.1086/498708 |last1=Skrutskie |first1=Michael F. |last2=Cutri |first2=Roc M. |last3=Stiening |first3=Rae |last4=Weinberg |first4=Martin D. |last5=Schneider |first5=Stephen E. |last6=Carpenter |first6=John M. |last7=Beichman |first7=Charles A. |last8=Capps |first8=Richard W. |last9=Chester |first9=Thomas |last10=Elias |first10=Jonathan H. |last11=Huchra |first11=John P. |last12=Liebert |first12=James W. |last13=Lonsdale |first13=Carol J. |last14=Monet |first14=David G. |last15=Price |first15=Stephan |last16=Seitzer |first16=Patrick |last17=Jarrett |first17=Thomas H. |last18=Kirkpatrick |first18=J. Davy |last19=Gizis |first19=John E. |last20=Howard |first20=Elizabeth V. |last21=Evans |first21=Tracey E. |last22=Fowler |first22=John W. |last23=Fullmer |first23=Linda |last24=Hurt |first24=Robert L. |last25=Light |first25=Robert M. |last26=Kopan |first26=Eugene L. |last27=Marsh |first27=Kenneth A. |last28=McCallon |first28=Howard L. |last29=Tam |first29=Robert |last30=Van Dyk |first30=Schuyler D. |last31=Wheelock |first31=Sherry L. |title=The Two Micron All Sky Survey (2MASS) |url=https://archive.org/details/sim_astronomical-journal_2006-02_131_2/page/1162 |journal=The Astronomical Journal |date=1 February 2006 |volume=131 |issue=2 |pages=1163–1183 |bibcode=2006AJ....131.1163S |s2cid=18913331 |issn=0004-6256 |doi-access=free }}</ref>

<ref name="Crook2007">{{Citation
| last1 = Crook | first1 = Aidan C.
| last2 = Huchra | first2 = John P.
| last3 = Martimbeau | first3 = Nathalie
| last4 = Masters | first4 = Karen L.
| last5 = Jarrett | first5 = Tom
| last6 = Macri | first6 = Lucas M.
| display-authors = 1
| title = Groups of Galaxies in the Two Micron All Sky Redshift Survey
| journal = The Astrophysical Journal
| volume = 655
| issue = 2
| pages = 790–813
|date=February 2007
| doi = 10.1086/510201
| bibcode = 2007ApJ...655..790C
| arxiv = astro-ph/0610732
| s2cid = 11672751
| postscript = .
}}</ref>

<ref name="Erwin2013">{{Citation
| last1 = Erwin
| first1 = Peter
| last2 = Debattista
| first2 = Victor P.
| title = Peanuts at an angle: detecting and measuring the three-dimensional structure of bars in moderately inclined galaxies
| journal = [[Monthly Notices of the Royal Astronomical Society]]
| volume = 431
| issue = 4
| pages = 3060–3086
|date=June 2013
| doi = 10.1093/mnras/stt385
| doi-access = free
| bibcode = 2013MNRAS.431.3060E
| arxiv = 1301.0638
| s2cid = 54653263
| postscript = .
}}</ref>

<ref name="Arp1971">{{Citation
| last1 = Arp
| first1 = H.
| title = A Connection Between the Spiral Galaxy NGC 4319 and the Quasi-Stellar Object Markarian 205
| journal = Astrophysical Letters
| volume = 9
| page = 1
|date=August 1971
| bibcode = 1971ApL.....9....1A
| postscript = .
}}</ref>

<ref name="Sulentic1983">{{Citation
| last1 = Sulentic
| first1 = J. W.
| title = Confirmation of the luminous connection between NGC 4319 and Markarian 205
| journal = Astrophysical Journal Letters
| volume = 265
| pages = L49–L53
|date=February 1983
| doi = 10.1086/183956
| bibcode = 1983ApJ...265L..49S
| postscript = .
| doi-access= free
}}</ref>

<ref name="Bowen1983">{{Citation
| last1 = Bowen
| first1 = David V.
| last2 = Blades
| first2 = J. Chris
| last3 = Pettini
| first3 = Max
| title = Interstellar MG II Absorption Lines from Low-Redshift Galaxies
| journal = Astrophysical Journal
| volume = 448
| pages = 634–661, 646
|date=February 1983
| doi = 10.1086/175993
| bibcode = 1995ApJ...448..634B
| postscript = .
| doi-access= free
}}</ref>

<ref name="Bowen1993">{{Citation
| last1 = Bowen
| first1 = David V.
| last2 = Blades
| first2 = J. C.
| title = Interstellar MG II and C IV absorption toward Markarian 205 by NGC 4319 - an 'optically thick' QSO absorption system
| journal = Astrophysical Journal Letters
| volume = 403
| issue = 2
| pages = L55–L58, 646
|date=February 1993
| doi = 10.1086/186720
| bibcode = 1993ApJ...403L..55B
| postscript = .
}}</ref>

<ref name="Bahcall1992">{{Citation
| last1 = Bahcall
| first1 = John N.
| last2 = Jannuzi
| first2 = Buell T.
| last3 = Schneider
| first3 = Donald P.
| last4 = Hartig
| first4 = George F.
| last5 = Jenkins
| first5 = Edward B.
| display-authors = 1
| title = The near-ultraviolet spectrum of Markarian 205
| journal = Astrophysical Journal, Part 1
| volume = 398
| issue = 2
| pages = 495–500, 646
|date=October 1992
| doi = 10.1086/171872
| bibcode = 1992ApJ...398..495B
| postscript = .
}}</ref>
}}

==外部連結==
{{commons category}}
* [http://heritage.stsci.edu/2002/23/fast_facts.html '''Hubble Heritage site''': Pictures and description] {{Wayback|url=http://heritage.stsci.edu/2002/23/fast_facts.html |date=20160303172438 }}
* [http://heritage.stsci.edu/2002/23/supplemental.html '''Hubble Heritage site''':NGC 4319 and Markarian 205] {{Wayback|url=http://heritage.stsci.edu/2002/23/supplemental.html |date=20090217180048 }}

{{Ngc45}}


[[Category:天龍座]]


[[Category:NGC天體|4319]]

NGC 4319 - 版本历史

imported>InternetArchiveBot：​Add 1 book for verifiability (20251017sim)) #IABot (v2.0.9.5) (GreenC bot

imported>InternetArchiveBot：Add 1 book for verifiability (20251017sim)) #IABot (v2.0.9.5) (GreenC bot