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白羊座SX型变星是变星的一种类型。这种类型的变星和猎犬座α²型变星类似,但表面温度较高。它们拥有很强的磁场以及氦I、硅III的谱线。
白羊座SX型变星发生光变的原因是由于恒星高速自转引起磁场的改变。光度的变化只有约0.1个星等变化,变光周期在一天以内。位于白羊座的恒星白羊座SX是这种类型变星的代表星。
Samus N.N., Durlevich O.V., et al. Combined General Catalog of Variable Stars (GCVS4.2, 2004 Ed.)
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