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 |
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| name = [[NGC天體表|NGC]] 4145 |
| name = [[NGC天體表|NGC]] 4145 |
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| 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> |
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| epoch = [[曆元|J2000]]<ref name=ned/> |
| epoch = [[曆元|J2000]]<ref name=ned/> |
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| 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/> |
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| z = 0.003366<ref name=ned/> |
| z = 0.003366<ref name=ned/> |
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| 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> |
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| size_v = 5.9' x 4.1'<ref name=dso/> |
| size_v = 5.9' x 4.1'<ref name=dso/> |
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| 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/> |
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'''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>。 |
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==参考== |
==参考== |
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{{Ngc45}} |
{{Ngc45}} |
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{{Canes Venatici}} |
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{{DEFAULTSORT:NGC 4145}} |
{{DEFAULTSORT:NGC 4145}} |
2022年9月9日 (五) 06:30的最新版本
NGC 4145 | |
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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] | |
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[2][4]。
参考
[编辑]- ^ 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).
- ^ 2.0 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).
- ^ 3.0 3.1 3.2 NGC 4145. dso-browser.com. [18 February 2015]. (原始内容存档于2015-02-18).
- ^ NGC 4145. noao.edu. [30 January 2015]. (原始内容存档于2010-07-03).
外部链接
[编辑]这是一篇螺旋星系小作品。您可以通过编辑或修订扩充其内容。 |