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NGC 4145:修订间差异

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| caption= [[史匹哲太空望遠鏡]]拍摄的NGC 4145
| caption= [[史匹哲太空望遠鏡]]拍摄的NGC 4145
| name = [[NGC天體表|NGC]] 4145
| name = [[NGC天體表|NGC]] 4145
| type = SAB(rs)d<ref name=ned>{{cite web|title=NED results for object NGC 4145|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+4145&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#Positions_0|access-date=31 January 2015}}</ref>
| type = SAB(rs)d<ref name=ned>{{cite web|title=NED results for object NGC 4145|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+4145&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#Positions_0|access-date=31 January 2015|archive-date=2022-07-02|archive-url=https://web.archive.org/web/20220702055957/http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+4145&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#Positions_0|dead-url=no}}</ref>
| epoch = [[曆元|J2000]]<ref name=ned/>
| epoch = [[曆元|J2000]]<ref name=ned/>
| ra = {{RA|12|10|01.52}}<ref name=ned/>
| ra = {{RA|12|10|01.52}}<ref name=ned/>
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| dist_ly = 68,000,000 [[光年|ly]]<ref name=spitzer/>
| dist_ly = 68,000,000 [[光年|ly]]<ref name=spitzer/>
| z = 0.003366<ref name=ned/>
| z = 0.003366<ref name=ned/>
| appmag_v = 11.30<ref name=dso>{{cite web|title=NGC 4145|url=http://dso-browser.com/dso/info/NGC/4145|website=dso-browser.com|access-date=18 February 2015}}</ref>
| appmag_v = 11.30<ref name=dso>{{cite web|title=NGC 4145|url=http://dso-browser.com/dso/info/NGC/4145|website=dso-browser.com|access-date=18 February 2015|archive-date=2015-02-18|archive-url=https://web.archive.org/web/20150218204510/http://dso-browser.com/dso/info/NGC/4145|dead-url=no}}</ref>
| size_v = 5.9' x 4.1'<ref name=dso/>
| size_v = 5.9' x 4.1'<ref name=dso/>
| constellation name = [[猎犬座]]<ref name=spitzer/>
| constellation name = [[猎犬座]]<ref name=spitzer/>
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| names = UGC 7154, PGC 38693<ref name=dso/>
| names = UGC 7154, PGC 38693<ref name=dso/>
}}
}}
'''NGC 4145'''是一个位于[[大熊座]]的[[棒旋星系]],距离地球6800万[[光年]],属于{{tsl|en|Ursa Major Cluster|大熊座星系团}}。星系的[[恆星形成]]活动较少,可能会演变成[[透鏡狀星系]]<ref name=spitzer>{{cite web|title=Barred Spiral Galaxy NGC 4145|url=http://www.spitzer.caltech.edu/images/2707-ssc2009-15a2-Barred-Spiral-Galaxy-NGC-4145|website=spitzer.caltech.edu|access-date=30 January 2015}}</ref><ref name=noao>{{cite web|title=NGC 4145|url=https://www.noao.edu/outreach/nop/advanced/observers/n4145.html|website=noao.edu|access-date=30 January 2015}}</ref>。
'''NGC 4145'''是一个位于[[大熊座]]的[[棒旋星系]],距离地球6800万[[光年]],属于{{tsl|en|Ursa Major Cluster|大熊座星系团}}。星系的[[恆星形成]]活动较少,可能会演变成[[透鏡狀星系]]<ref name=spitzer>{{cite web|title=Barred Spiral Galaxy NGC 4145|url=http://www.spitzer.caltech.edu/images/2707-ssc2009-15a2-Barred-Spiral-Galaxy-NGC-4145|website=spitzer.caltech.edu|access-date=30 January 2015|archive-date=2016-03-04|archive-url=https://web.archive.org/web/20160304000818/http://www.spitzer.caltech.edu/images/2707-ssc2009-15a2-Barred-Spiral-Galaxy-NGC-4145|dead-url=no}}</ref><ref name=noao>{{cite web|title=NGC 4145|url=https://www.noao.edu/outreach/nop/advanced/observers/n4145.html|website=noao.edu|access-date=30 January 2015|archive-date=2010-07-03|archive-url=https://web.archive.org/web/20100703090517/http://www.noao.edu/outreach/nop/advanced/observers/n4145.html|dead-url=no}}</ref>。


==参考==
==参考==
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{{Ngc45}}
{{Ngc45}}
<{{Canes Venatici}}
{{Canes Venatici}}


{{DEFAULTSORT:NGC 4145}}
{{DEFAULTSORT:NGC 4145}}

2022年9月9日 (五) 06:30的最新版本

NGC 4145
史匹哲太空望遠鏡拍摄的NGC 4145
观测资料(J2000[1] 曆元
星座猎犬座[2]
赤经12h 10m 01.52s[1]
赤纬39° 53′ 01.9″[1]
紅移0.003366[1]
距离68,000,000 ly[2]
视星等 (V)11.30[3]
特征
类型SAB(rs)d[1]
角直徑 (V)5.9' x 4.1'[3]
其他名称
UGC 7154, PGC 38693[3]
參見:星系星系列表

NGC 4145是一个位于大熊座棒旋星系,距离地球6800万光年,属于大熊座星系团英语Ursa Major Cluster。星系的恆星形成活动较少,可能会演变成透鏡狀星系[2][4]

参考

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  1. ^ 1.0 1.1 1.2 1.3 1.4 NED results for object NGC 4145. [31 January 2015]. (原始内容存档于2022-07-02). 
  2. ^ 2.0 2.1 2.2 Barred Spiral Galaxy NGC 4145. spitzer.caltech.edu. [30 January 2015]. (原始内容存档于2016-03-04). 
  3. ^ 3.0 3.1 3.2 NGC 4145. dso-browser.com. [18 February 2015]. (原始内容存档于2015-02-18). 
  4. ^ NGC 4145. noao.edu. [30 January 2015]. (原始内容存档于2010-07-03). 

外部链接

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