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NGC 3506 - 版本历史
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<p><b>新页面</b></p><div>{{Infobox galaxy<br />
| name = [[NGC天體表|NGC]] 3506<br />
| image = NGC 3506 hst 10877 R814GB555.png<br />
| image_size = 250px<br />
| caption =[[哈勃空间望远镜]]拍摄的NGC 3506<br />
| credit = [[美国国家航空航天局|NASA]]/[[太空望遠鏡科學研究所|STScI]]/[[Sky-Map.org|WikiSky]]<br />
| epoch = [[曆元|J2000]]<br />
| type = Sc <ref name="ned">{{cite web<br />
| title=NASA/IPAC Extragalactic Database<br />
| work=Results for NGC 3506<br />
| url=http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+3506<br />
| accessdate=2016-01-18<br />
| archive-date=2019-12-15<br />
| archive-url=https://web.archive.org/web/20191215090752/http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+3506<br />
| dead-url=no<br />
}}</ref><br />
| ra = {{RA|11|03|13.0}}<ref name="ned" /> <br />
| dec = {{DEC|11|04|36}}<ref name="ned" /><br />
| dist_ly = [[数量级 (长度)|297]] [[光年|Mly]] (86 [[秒差距|Mpc]])<ref name="ned" /><br />
| z = 6408 ± 3 [[公里|km]]/[[秒|s]]<ref name="ned" /><br />
| appmag_v = 12.6<br />
| size_v = 1&prime;.2 × 1&prime;.1<ref name="ned" /><br />
| constellation name = [[狮子座|Leo]]<br />
| notes = <br />
| names = [[乌普萨拉总目录|UGC]] 6120, [[星系形态目录|MCG]] +02-28-047, [[主要星系目录|PGC]] 33379<ref name="ned" /><br />
}}<br />
'''NGC 3506'''是一个位于[[狮子座]]的[[螺旋星系]]，距离地球3亿[[光年]]，直径约为11.5万光年，是一个孤立的星系<ref>{{cite journal|last1=Hern?ndez-Toledo|first1=H. M.|last2=V?zquez-Mata|first2=J. A.|last3=Mart?nez-V?zquez|first3=L. A.|last4=Choi|first4=Yun-Young|last5=Park|first5=Changbom|title=The UNAM-KIAS Catalog of Isolated Galaxies|journal=The Astronomical Journal|date=1 June 2010|volume=139|issue=6|pages=2525–2541|doi=10.1088/0004-6256/139/6/2525|arxiv = 1005.1571 |bibcode = 2010AJ....139.2525H |s2cid=118568730}}</ref>。NGC 3506有两个螺旋臂，一个螺旋臂可分为四段螺旋弧，亮度较大<ref>{{cite book|last1=Sandage|first1=A.|last2=Bedke|first2=J.|title=The Carnegie Atlas of Galaxies. Volume I|date=1994|publisher=[[卡内基科学研究所|Carnegie Institution of Washington]]}}</ref>。人们在NGC 3506里发现了两颗[[超新星]]：Ic型超新星'''SN 2003L'''和Ia型超新星'''SN 2017dfq'''<ref>[http://www.rochesterastronomy.org/supernova.html#2017dfq Latest Supernovae] {{Wayback|url=http://www.rochesterastronomy.org/supernova.html#2017dfq |date=20171030004430 }} rochesterastronomy.org</ref><ref>[http://www.cbat.eps.harvard.edu/iauc/08000/08057.html IAUC 8057: 2003P; 2003L, 2003M,, 2003O] {{Wayback|url=http://www.cbat.eps.harvard.edu/iauc/08000/08057.html |date=20171029234655 }} International Astronomical Union Circular January 25, 2003</ref>。<br />
<br />
== 画廊 ==<br />
<gallery><br />
NGC 3506 Hubble WikiSky.jpg|[[哈勃空间望远镜]]拍摄的NGC 3506<br />
NGC3506 - SDSS DR14.jpg|NGC 3506（SDSS DR14）<br />
</gallery><br />
<br />
== 参考 ==<br />
{{reflist}}<br />
<br />
== 外部链接 ==<br />
* {{commonscat inline}}<br />
{{wikiSky}}<br />
<br />
{{Ngc40}}<br />
<br />
{{Spiral-galaxy-stub}}<br />
<br />
[[Category:螺旋星系]]<br />
[[Category:獅子座]]<br />
[[Category:NGC天体|3506]]<br />
[[Category:UGC天體|06120]]<br />
[[Category:PGC天體|33379]]</div>
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