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HD 3346, also known as V428 Andromedae, is an orange giant star approximately 620 light-years away〔 in the constellation of Andromeda. == Possible planetary system == In 1996 it was announced that the variations in radial velocity of this star were larger than expected. A planetary system was proposed to explain this variation. 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「HD 3346」の詳細全文を読む スポンサード リンク
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