SCR 1845-6357

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。

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。

相關條目

• OTS 44
• 蝘蜓座110913-773444
• 恆星距離列表

參考資料

• 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
• Deacon, Niall R. et al, 2005, "The Solar Neighborhood. XI. The Trigonometric Parallax of SCR 1845-6357", The Astronomical Journal, Vol. 129.
• 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.

外部連結

• [http://www.solstation.com/stars/new-obj.htm New Objects within 20 light-years] at SolStation.
• [https://web.archive.org/web/20080515231813/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
• [http://jumk.de/astronomie/near-stars/scr-1845-6357.shtml near-stars]