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补救3个来源，并将0个来源标记为失效。) #IABot (v2.0.9.3

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{{Infobox galaxy
| name = NGC 3972
| image = File:NGC3972 - HST- Potw1810a.jpg
| image_size = 320px
| upright =
| caption = [[哈勃空间望远镜]]拍摄的NGC 3972<ref name=SnT/>
| alt =
| epoch = [[曆元|J2000]]
| pronounce =
| constellation name = [[大熊座]]
| ra = {{RA|11|55|45.1}}<ref name=Cosmicflows3/>
| dec = {{DEC|+55|19|14}}<ref name=Cosmicflows3/>
| z = 0.002799<ref name="simbad" />
| h_radial_v = {{val|846|u=km/s}}<ref name=Cosmicflows3/>
| gal_v =
| dist_pc =
| dist_ly = {{cvt|20.23|Mpc|Mly|order=flip|lk=on}}<ref name=Cosmicflows3/>
| group_cluster = NGC 3992星系群<ref name=Karachentsev_et_al_2013/>
| type = SA(s)bc,<ref name=NED/> SBbc<ref name=Paturel2003/>
| mass = 
| mass_light_ratio = 
| size = 
| stars =
| appmag_v = 13.14<ref name="simbad" />
| appmag_b =
| absmag_v =
| size_v = 
| half_light_radius_pc = 
| half_light_radius_arcminsec = 
| h1_scale_length_pc = 
| h1_scale_length_arcminsec = 
| xray_radius_pc = 
| xray_radius_arcminsec = 
| notes =
| names = {{odlist | IRAS=11531+5535 | LEDA=37466 | 2MASX=J11554511+5519144 | MCG=09-20-032 | UGC=6904 }}<ref name="simbad" />
| references =
}}

'''NGC 3972'''是一个位于[[大熊座]]的[[螺旋星系]]，1789年4月14日由[[威廉·赫歇爾]]发现<ref name=Seligman/>，距离地球6600万[[光年]]，[[徑向速度]]{{val|846|u=km/s}}<ref name=Cosmicflows3/>，属于{{tsl|en|NGC 3992 Group|NGC 3992星系群}}<ref name=Karachentsev_et_al_2013/>。2011年4月26日，人们在星系内发现[[Ia超新星]][[SN 2011by]]，爆发位置在星系核偏东{{val|5.3|ul=arcsecond}}、偏北{{val|19.1|u=arcsecond}}处<ref name=Boyd2011/>。

==画廊==
<gallery>
File:NGC3972 - SDSS DR14.jpg|[[史隆數位巡天]]拍摄的NGC 3972
</gallery>

==参考==
{{reflist|refs=

<ref name="simbad">{{cite simbad
| title=NGC 3972 | access-date=2021-12-20 }}</ref>

<ref name=Boyd2011>{{cite journal
| title=SN 2011BY - A Type 1A Supernova in NGC 3972 Discovered before maximum.
| last=Boyd | first=David
| journal=British Astronomical Association Variable Star Section Circular
| number=149 | pages=10-12 | date=September 2011
| bibcode=2011BAAVC.149...10B }}</ref>

<ref name=Paturel2003>{{cite journal
| last1=Paturel | first1=G. | last2=Petit | first2=C.
| last3=Prugniel | first3=Ph. | last4=Theureau | first4=G.
| last5=Rousseau | first5=J. | last6=Brouty | first6=M.
| last7=Dubois | first7=P. | last8=Cambrésy | first8=L.
| title=HYPERLEDA. I. Identification and designation of galaxies
| display-authors=1 | journal=Astronomy and Astrophysics
| volume=412 | pages=45–55 | date=December 2003 | doi-access=free
| doi=10.1051/0004-6361:20031411 | bibcode=2003A&A...412...45P }}</ref>

<ref name=Karachentsev_et_al_2013>{{cite journal
| title=Anatomy of Ursa Majoris
| display-authors=1 | last1=Karachentsev | first1=I. D.
| last2=Nasonova | first2=O. G. | last3=Courtois | first3=H. M.
| journal=Monthly Notices of the Royal Astronomical Society
| volume=429 | issue=3 | pages=2264-2273
| date=March 2013 | doi=10.1093/mnras/sts494
| arxiv=1211.5975 | bibcode=2013MNRAS.429.2264K }}</ref>

<ref name=Cosmicflows3>{{cite journal
| title=Cosmicflows-3
| display-authors=1 | last1=Tully | first1=R. Brent
| last2=Courtois | first2=Hélène M. | last3=Sorce | first3=Jenny G.
| journal=The Astronomical Journal
| volume=152 | issue=2 | id=50 | pages=21 | date=2016
| bibcode=2016AJ....152...50T | arxiv=1605.01765
| doi=10.3847/0004-6256/152/2/50 }}</ref>

<ref name=Seligman>{{Cite web | first=Courtney | last=Seligman | title=New General Catalog Objects: NGC 3950 - 3999 | url=https://cseligman.com/text/atlas/ngc39a.htm#3972 | access-date=2021-03-12 | website=cseligman.com | archive-date=2018-09-13 | archive-url=https://web.archive.org/web/20180913150432/http://cseligman.com/text/atlas/ngc39a.htm#3972 | dead-url=no }}</ref>

<ref name=SnT>{{cite web
| title=Galaxy full of cosmic lighthouses
| url=https://www.spacetelescope.org/images/potw1810a/
| website=www.spacetelescope.org
| access-date=5 March 2018
| archive-date=2018-08-03
| archive-url=https://web.archive.org/web/20180803091811/http://www.spacetelescope.org/images/potw1810a/
| dead-url=no
}}</ref>

<ref name=NED>{{cite web
| url=https://ned.ipac.caltech.edu/byname?objname=NGC%203972&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1
| title=Results for object NGC 3972 (NGC 3972)
| work=NASA/IPAC Extragalactic Database
| publisher=California Institute of Technology
| accessdate=2021-02-18
| archive-date=2022-11-21
| archive-url=https://web.archive.org/web/20221121151805/https://ned.ipac.caltech.edu/byname?objname=NGC%203972&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1
| dead-url=no
}}</ref>

}}

==外部链接==
*{{Commonscat-inline}}
*[http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+3972&submit=SIMBAD+search NGC 3972 on SIMBAD] {{Wayback|url=http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+3972&submit=SIMBAD+search |date=20180531155420 }}

{{Ngc40}}
{{Sky|11|55|45.117||+55|19|14.42|999}}

{{spiral-galaxy-stub}}
[[Category:NGC天体|3972]]
[[Category:大熊座]]
[[Category:無棒螺旋星系]]
[[Category:PGC天體|037466]]

NGC 3972 - 版本历史

imported>InternetArchiveBot：​补救3个来源，并将0个来源标记为失效。) #IABot (v2.0.9.3

imported>InternetArchiveBot：补救3个来源，并将0个来源标记为失效。) #IABot (v2.0.9.3