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・ SS Vesta
・ SS Vestris
・ SS Victoria (1896)
・ SS Victoria (1907)
・ SS Victoria Park
・ SS Vienna
・ SS Vienna (1873)
・ SS Vienna (1894)
・ SS Vienna (1929)
・ SS Vigrid
・ SS Viking
・ SS Viking (1905)
・ SS Ville du Havre
・ SS Vindeggen
・ SS Virawa
SS Virginis
・ SS Vittoria
・ SS Volendam
・ SS Volo
・ SS Volos
・ SS Volturno
・ SS Volturno (1906)
・ SS Vyner Brooke
・ SS Wafra oil spill
・ SS Wahehe
・ SS Wahehe (1922)
・ SS Waihora (1882)
・ SS Waihora (1907)
・ SS Wairarapa
・ SS Wairuna


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SS Virginis : ウィキペディア英語版
SS Virginis

SS Virginis is a Mira variable star that appears with a strong red hue. It varies in magnitude from a minimum of 9.5 to a maximum of 7.4 over a period of 361 days. It is also considered to be a semiregular variable star, as its minimum and maximum magnitude are themselves variable over a period of decades.〔(【引用サイトリンク】SS Virginis )〕 Its spectral class is C6.3e. Because it is so rich in carbon, SS Virginis is classified as a carbon star, along with stars like T Geminorum. SS Virginis, like all carbon Mira variables, has a hydrogen-alpha emission line that varies widely, synchronized with the overall variations in light. The hydrogen-alpha emission line becomes far more prominent as the star becomes brighter.〔 Observations made in the near-infrared spectrum indicate that it has a radius of 500 solar radii, and its temperature is between 2405 and 2485 kelvin.
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抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「SS Virginis」の詳細全文を読む



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