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SCR 1845-6357 - 版本历史
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<p><b>新页面</b></p><div>{{Starbox begin<br />
| name = SCR 1845-6357 B<br />
}}<br />
{{Starbox observe<br />
| epoch = [[J2000.0]]<br />
| ra = 18<sup>h</sup> 45<sup>m</sup> 02.6<sup>s</sup><br />
| dec = -63° 57' 48"<br />
| appmag_v = +17.39<br />
| constell = [[孔雀座]]<br />
}}<br />
{{Starbox character<br />
| class = T<br />
| b-v = ?<br />
| u-b = ?<br />
| variable = ?<br />
}}<br />
{{Starbox astrometry<br />
| radial_v = ?<br />
| prop_mo_ra = 2.664<br />
| prop_mo_dec = 76.6<br />
| parallax = 259.45<br />
| p_error = 1.11<br />
| absmag_v = 19.41<br />
}}<br />
{{Starbox detail<br />
| mass= 0.062<br />
| radius=0.096<br />
| luminosity=0.0004<br />
| temperature=2600–2700<br />
| metal=?<br />
| rotation=?<br />
| age=? }}<br />
{{Starbox catalog<br />
| names= }}<br />
{{Starbox end}}<br />
<br />
'''SCR 1845-6357'''是一顆位於[[孔雀座]]，距離地球12.6[[光年]]的[[紅矮星]]。它的質量大約是[[太陽]]的7%，亮度极低，为太阳的0.00000139倍，体积与天王星相当，但是這只是初步測量的數值，可能還會有變化。 此恆星也是人類發現過的最輕的恆星。<br />
<br />
這顆星被發現擁有一顆[[棕矮星]]的伴星，被標示為'''''SCR 1845-6357 B'''''。這顆伴星的分類是[[棕矮星|T-矮星]]，在4.5AU的距離上繞著主星公轉，質量約在[[木星]]質量的9至65倍之間，標面溫度估計為850K。 <br />
<br />
<div style="clear: both"></div><br />
<br />
== 相關條目 ==<br />
* [[OTS 44]]<br />
* [[蝘蜓座110913-773444]]<br />
* [[恆星距離列表]]<br />
<br />
== 參考資料 ==<br />
* Hambly, N.C., ''et al'', 2005, "The Solar Neighborhood. VIII. Discovery of New High Proper Motion Nearby Stars Using the SuperCOSMOS Sky Survey", ''The Astronomical Journal'', Vol. 128<br />
* Deacon, Niall R. ''et al'', 2005, "The Solar Neighborhood. XI. The Trigonometric Parallax of SCR 1845-6357", ''The Astronomical Journal'', Vol. 129.<br />
* B.A. Biller ''et al'', 2006, "Discovery of a Brown Dwarf Very Close to the Sun: A Methane-rich Brown Dwarf Companion to the Low-Mass Star SCR 1845-6357", ''Astrophysical Journal Letters''.<br />
<br />
== 外部連結 ==<br />
* [http://www.solstation.com/stars/new-obj.htm New Objects within 20 light-years]{{Wayback|url=http://www.solstation.com/stars/new-obj.htm |date=20080430025727 }} at SolStation.<br />
* [https://archive.today/20060520121620/http://www.skynightly.com/reports/VLT_Finds_Very_Cool_Brown_Dwarf_In_The_Neighborhood.html VLT Finds Very Cool Brown Dwarf In The Neighborhood] (SkyNightly) Mar 22, 2006<br />
* [http://jumk.de/astronomie/near-stars/scr-1845-6357.shtml near-stars]{{Wayback|url=http://jumk.de/astronomie/near-stars/scr-1845-6357.shtml |date=20080217125502 }}<br />
<br />
{{孔雀座恒星}}<br />
<br />
[[Category:聯星]]<br />
[[Category:紅矮星]]<br />
[[Category:棕矮星]]<br />
[[Category:孔雀座]]<br />
[[Category:T型恒星]]</div>
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