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TY Coronae Borealis : ウィキペディア英語版 | TY Coronae Borealis
TY Coronae Borealis, also known as R 808, is a variable white dwarf star of the DAV (or ZZ Ceti) type in the constellation Corona Borealis. It has a surface temperature of 11,213 ± 130 K and a mass around 70% times that of the Sun, but only 1.1% of its diameter. It is around 96 light-years distant from Earth. It was confirmed as a variable star in 1976. ==References==
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「TY Coronae Borealis」の詳細全文を読む
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