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{{Infobox galaxy
| name = NGC 2139
| image = File:NGC 2139 legacy dr10.jpg
| image_scale = 1.3
| caption = Legacy Surveys DR10 image of NGC 2139
| alt = 
| epoch = J2000
| constellation name = [[天兔座]]
| ra = {{RA|06|01|07.963}}<ref name=Skrutskie_et_al_2006/>
| dec = {{DEC|−23|40|20.35}}<ref name=Skrutskie_et_al_2006/>
| z = 0.006148{{±|0.000017}}<ref name=De_Vaucouleurs_et_al_1991/>
| h_radial_v = {{val|1836|u=km/s|fmt=commas}}<ref name=Tully_et_al_2016/>
| gal_v = {{val|1649|u=km/s|fmt=commas}}<ref name=Tully_et_al_2016/>
| dist_pc = 
| dist_ly = {{cvt|36.98|Mpc|Mly|order=flip|lk=on}}<ref name=Tully_et_al_2016/>
| group_cluster = 
| type = SAB(rs)cd<ref name=Mineo_et_al_2012/>
| mass = 
| mass_light_ratio = 
| size = 
| stars = {{val|9.1|e=9|ul=Solar mass}}<ref name=Mineo_et_al_2012/>
| appmag_v = 11.6<ref name=Frommert/>
| appmag_b = 11.98<ref name=Tully_et_al_2016/>
| absmag_v = 
| size_v = {{val|2.40|x|1.9|ul=arcminute}}<ref name=Frommert/>
| half_light_radius_pc = 
| half_light_radius_arcminsec = 
| h1_scale_length_pc = 
| h1_scale_length_arcminsec = 
| xray_radius_pc = 
| xray_radius_arcminsec = 
| notes = Bulgeless
| names = {{odlist | NGC=2139 | Arp= | PGC=18258 | UGC= | MCG=-04-15-005 | HIPASS=J0601-23 | LEDA=18258 }}<ref name=SIMBAD/>
| references = 
}}

'''NGC 2139'''是在[[星座]][[天兔座]]的一個[[棒旋星系]]<ref name=Frommert/>。它於1784年11月17日由德裔英國天文學家[[威廉·赫歇爾]]發現<ref name=cseligman/>。這個星系距離約{{convert|36.98|Mpc|e6ly|order=flip|lk=on}}，並以1,836公里/秒的[[徑向速度]]遠離[[太陽]]<ref name=Tully_et_al_2016/>。
這個星系的整體形狀是不規則的，但有螺旋臂和潮汐特徵，可是中心沒有重要的核球凸起，這表明最近可能發生了合併事件<ref name=Shields_et_al_2012/>。以[[星系型態分類|形態分類]]它是SAB(rs)cd<ref name=Mineo_et_al_2012/>，這表明它是棒旋星系（SAB），具有過渡的內環結構（rs）和鬆散纏繞的旋臂（cd）。它是一個恆星形成星系，形成率為{{val|3.8|ul=Solar mass}}·yr<sup>−1</sup><ref name=Mineo_et_al_2012/>。有一股羽狀物一直延伸到星系的南部<ref name=Shields_et_al_2012/>。

一根發光的細絲穿過星系的中心，其中包括一個小的核心集團。此集團的年齡僅有{{val|4.1|e=7|u=years}}，估計質量為{{val|8.3|e=5|ul=Solar mass}}<ref name=Shields_et_al_2012/>。它偏離星系中心320秒差距的距離，停留在哪裡的時間尺度可能在大約1億年<ref name=Andersen_et_al_2008/>。該星團是{{link-en|X射線發射|Astrophysical X-ray source}}的來源<ref name=Shields_et_al_2010/>。

在1995年9月，[[羅伯特·埃文斯 (天文學家)|R.Evans]]及其同事發現了一顆[[II型超新星]]<ref name=Evans_et_al_1995/>。它被命名為「SN 1995ad」，位於其中一個螺旋臂中，距離NGC 2139的核心西方{{val|25|u=arcsecond}}，和南方{{val|5|u=arcsecond}}。退行速度與宿主星系的退行速度一致<ref name=Inserra_et_al_2013/>。

== 參考資料 ==
{{reflist|refs=

<ref name=SIMBAD>{{cite simbad
| title=NGC 2139 | access-date=2024-03-07
| postscript=. | mode = cs2 }}</ref>

<ref name=Skrutskie_et_al_2006>{{citation | postscript=.
| title=The Two Micron All Sky Survey (2MASS)
| 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. | display-authors=1
| journal=The Astronomical Journal
| date=1 February 2006 |volume=131 |issue=2 |pages=1163–1183
| bibcode=2006AJ....131.1163S |s2cid=18913331
| doi=10.1086/498708
| issn=0004-6256 |doi-access=free }}</ref>

<ref name=Mineo_et_al_2012>{{citation | postscript=.
| title=X-ray emission from star-forming galaxies - II. Hot interstellar medium
| display-authors=1 | last1=Mineo | first1=S.
| last2=Gilfanov | first2=M. | last3=Sunyaev | first3=R.
| journal=Monthly Notices of the Royal Astronomical Society
| date=November 1, 2012 | volume=426 | issue=3 | pages=1870–1883
| doi=10.1111/j.1365-2966.2012.21831.x | arxiv=1205.3715
| bibcode=2012MNRAS.426.1870M | s2cid=85507925 }}</ref>

<ref name=De_Vaucouleurs_et_al_1991>{{citation | postscript=.
| title=Third Reference Catalogue of Bright Galaxies
| last1=De Vaucouleurs | first1=Gerard | last2=De Vaucouleurs| first2=Antoinette
| last3=Corwin | first3=Herold G. | last4=Buta | first4=Ronald J.
| last5=Paturel | first5=Georges | last6=Fouque | first6=Pascal
| display-authors=1 | year=1991
| bibcode=1991rc3..book.....D }}</ref>

<ref name=Tully_et_al_2016>{{citation | postscript=.
| last1=Tully | first1=R. Brent | last2=Courtois | first2=Hélène M.
| last3=Sorce | first3=Jenny G. | display-authors=1
| title=Cosmicflows-3 | journal=The Astronomical Journal
| volume=152 | issue=2 | id=50 | page=21 | date=August 2016
| doi=10.3847/0004-6256/152/2/50 | bibcode=2016AJ....152...50T
| arxiv=1605.01765 | s2cid=250737862 | doi-access=free }}</ref>

<ref name=Inserra_et_al_2013>{{citation | postscript=.
| title=Moderately luminous Type II supernovae
| last1=Inserra | first1=C. | last2=Pastorello | first2=A.
| last3=Turatto | first3=M. | last4=Pumo | first4=M. L.
| last5=Benetti | first5=S. | last6=Cappellaro | first6=E.
| last7=Botticella | first7=M. T. | last8=Bufano | first8=F.
| last9=Elias-Rosa | first9=N. | last10=Harutyunyan | first10=A.
| last11=Taubenberger | first11=S. | last12=Valenti | first12=S.
| last13=Zampieri | first13=L. | display-authors=1
| journal=Astronomy & Astrophysics
| volume=555 | at=id. A142 | date=July 2013
| doi=10.1051/0004-6361/201220496 | arxiv=1210.1411
| bibcode=2013A&A...555A.142I }}</ref>

<ref name=Evans_et_al_1995>{{citation | postscript=.
| title=Supernova 1995ad in NGC 2139
| display-authors=1 | last1=Evans | first1=R.
| last2=Benetti | first2=S. | last3=Grupe | first3=D.
| journal=IAU Circular
| volume=6239 | page=1 | date=September 1995
| editor1-last=Green | editor1-first=D. W. E.
| bibcode=1995IAUC.6239....1E }}</ref>

<ref name=Shields_et_al_2012>{{citation | postscript=.
| title=Chandra Observations of the Nuclear Star Cluster and Ultraluminous X-Ray Sources in NGC 2139
| last1=Shields | first1=Joseph C. | last2=Böker | first2=Torsten
| last3=Ho | first3=Luis C. | last4=Rix | first4=Hans-Walter
| last5=van der Marel | first5=Roeland P. | last6=Walcher | first6=C. Jakob
| display-authors=1 | journal=The Astronomical Journal
| volume=144 | issue=1 | at=id. 12 | date=July 2012
| doi=10.1088/0004-6256/144/1/12 | arxiv=1205.3191
| bibcode=2012AJ....144...12S }}</ref>

<ref name=Andersen_et_al_2008>{{citation | postscript=.
| title=Caught in Formation: The Nuclear-Cluster-to-Be in NGC 2139
| last1=Andersen | first1=David R. | last2=Walcher | first2=C. Jakob
| last3=Böker | first3=Torsten | last4=Ho | first4=Luis C.
| last5=van der Marel | first5=Roeland P. | last6=Rix | first6=Hans-Walter
| last7=Shields | first7=Joseph C. | display-authors=1
| journal=The Astrophysical Journal
| volume=688 | issue=2 | pages=990–999 | date=December 2008
| doi=10.1086/592342 | arxiv=0808.1321
| bibcode=2008ApJ...688..990A }}</ref>

<ref name=Shields_et_al_2010>{{citation | postscript=. | title=X-ray Properties of Star Clusters in NGC 2139 | first1=J. | last1=Shields | first2=T. | last2=Böker | first3=L. | last3=Ho | first4=H.-W. | last4=Rix | first5=R. | last5=van der Marel | first6=C. J. | last6=Walcher | display-authors=1 | publisher=European Southern Observatory | year=2010 | url=https://www.eso.org/sci/meetings/2010/cmo2010/Presentations/Day2/shields_eso2010.pdf | access-date=2024-03-07 | archive-date=2024-03-08 | archive-url=https://web.archive.org/web/20240308061353/https://www.eso.org/sci/meetings/2010/cmo2010/Presentations/Day2/shields_eso2010.pdf | dead-url=no }}</ref>

<ref name=cseligman>{{citation
| postscript=.
| title=NGC Objects: NGC 2100 - 2149
| work=Celestial Atlas
| first=Courtney
| last=Seligman
| url=https://cseligman.com/text/atlas/ngc21.htm#2139
| access-date=2024-03-07
| archive-date=2024-03-08
| archive-url=https://web.archive.org/web/20240308060950/https://cseligman.com/text/atlas/ngc21.htm#2139
| dead-url=no
}}</ref>

<ref name=Frommert>{{citation
| postscript=.
| title=Revised NGC Data for NGC 2139
| first=Hartmut
| last=Frommert
| publisher=[[Students for the Exploration and Development of Space]]
| url=https://spider.seds.org/ngc/revngcic.cgi?NGC%202139
| access-date=2024-03-07
| archive-date=2024-03-08
| archive-url=https://web.archive.org/web/20240308062433/https://spider.seds.org/ngc/revngcic.cgi?NGC%202139
| dead-url=no
}}</ref>

}}

{{NGC objects:2000-2499}}

{{DEFAULTSORT:NGC 2139}}
[[Category:棒旋星系]]
[[Category:特殊星系]]
[[Category:天兔座]]
[[Category:NGC天體|2139]]
[[Category:PGC天體|18258]]
[[Category:威廉·赫歇爾發現的天體]]
[[Category:1784年發現的天體|17841117]]

NGC 2139 - 版本历史

imported>InternetArchiveBot：​补救3个来源，并将0个来源标记为失效。) #IABot (v2.0.9.5

imported>InternetArchiveBot：补救3个来源，并将0个来源标记为失效。) #IABot (v2.0.9.5