猎户FU型变星在恒星演化中,猎户FU型变星(FU Orionis star,或 FU Orionis object、 )是一种在光度和光谱形式上会出现极大变化的主序前星。典型例子天鹅座V1057会出现亮度增加6个星等,和光谱
潘辉注潘辉注(越南语:Phan Huy Chú/.mw-parser-output .han-nom{font-family:"Nom Na Tong","Han-Nom Gothic","Han-Nom Ming","HAN NOM A","HAN NOM B","Ming-Lt-HKSCS-UNI-H","Min