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NGC 772 - 版本历史
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<p><b>新页面</b></p><div>{{Infobox galaxy<br />
| name = [[New General Catalogue|NGC]] 772<br />
| image = NGC772 - Noirlab2209a.jpg<br />
| caption = [[雙子星天文台]]所拍攝的NGC 772<ref>{{cite news|title=Strong-Arming a Galaxy|url=https://noirlab.edu/public/news/noirlab2209/|access-date=30 January 2023|newspaper=NOIRLab|archive-date=2024-12-19|archive-url=https://web.archive.org/web/20241219030815/https://noirlab.edu/public/news/noirlab2209/|dead-url=no}}</ref><br />
| epoch = [[J2000]]<br />
| type = SA(s)b<ref name="ned">{{cite web<br />
| website=NASA/IPAC Extragalactic Database<br />
| publisher=[[NASA]] and [[California_Institute_of_Technology|Caltech]]<br />
| title=Results for object NGC 0772<br />
| url=https://ned.ipac.caltech.edu/byname?objname=NGC+0772<br />
| access-date=2006-11-25<br />
| archive-date=2024-12-26<br />
| archive-url=https://web.archive.org/web/20241226183253/https://ned.ipac.caltech.edu/byname?objname=NGC%200772<br />
| dead-url=no<br />
}}</ref><br />
| ra = {{RA|01|59|19.5443}}<ref name="ned" /><br />
| dec = {{DEC|+19|00|27.751}}<ref name="ned" /><br />
| dist_ly = {{convert|32.42 ± 2.29|Mpc|Mly|abbr=on|lk=on|order=flip}}<ref name="ned" /><br />
| z = 0.008236<ref name="ned" /><br />
| h_radial_v = 2469 ± 2 km/s{{r|ned}}<br />
| size = ~{{convert|62.56|kpc|ly|abbr=on|lk=on|order=flip}} (estimated){{r|ned}}<br />
| appmag_v = 11.1<ref name="ned" /><br />
| size_v = 7.2{{prime}} × 4.3{{prime}}<ref name="ned" /><br />
| constellation name = [[白羊座]]<br />
| names = {{odlist | UGC= 1466 | PGC= 7525 | Arp= 78 | CGCG= 461-018 | MCG= +03-06-011 | IRAS= 01565+1845}}<ref name="ned" /><br />
}}<br />
<br />
{{NGCInfoBox|NGCID=NGC 772|發現者=弗里德里希·威廉·赫歇爾|發現日期=1785年11月29日|其他編號=UGC 1466,MCG 3-6-11,ZWG 461.18|曆元=J2000.0|赤經=1時59分19.5秒<br />
|赤緯=19°0'27"|星座=白羊座|星體=漩渦星系|星等=10.3|表面亮度=13.9|藍等=11.1}}<br />
<br />
'''NGC 772'''，也称作'''Arp 78'''，是[[白羊座]]的一個模糊的[[漩渦星系]]，距离地球大约1.3亿[[光年]]。<br />
<br />
== 特征 ==<br />
[[File:NGC772 SN2003hl SN2003iq 6223 Dahl.jpg|缩略图|200px|NGC 772與超新星SN 2003hl和2003iq、[[小行星6223]]。]]<br />
<br />
NGC 772的直径约20万光年，是[[银河系]]的两倍大小<ref name="rhee1996">{{cite journal<br />
| last1 = Rhee<br />
| first1 = M. H.<br />
| last2 = van Albada<br />
| first2 = T. S.<br />
| title = Short WSRT HI observations of spiral galaxies.<br />
<br />
| date = 1996-02<br />
| periodical = Astronomy and Astrophysics Supplement<br />
| volume = 115<br />
| pages = 407–437<br />
| doi = <br />
| postscript = <!--None--><br />
| bibcode = 1996A&AS..115..407R}}</ref>，其周围有若干个[[衛星星系]]——包括矮[[椭圆星系]][[NGC 770]]——其施加于NGC 772[[潮汐力]]很可能导致了后者发展出了一条非常长的[[螺旋星系|外螺旋臂]]。<br />
<br />
== 參考資料 ==<br />
{{reflist}}<br />
<br />
<br />
{{NGCReference|772}}<br />
<br />
{{Catalogs|NGC=772}}</div>
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