Variable-star变星
variable e star变星
variable-velocity star视向速度变星
irregular variable star[天] 不规则变星
eruptive variable star爆发变星
cluster type variable star星团变星
eye variable star肉眼变星
BY Draconis variable star天龙BY型变星
pulsation variable star脉动变星
N（名词） any star that varies considerably in brightness, either irregularly or in regular periods. Intrinsic variables, in which the variation is a result of internal changes, include novae, supernovae, and pulsating stars 变星 → see also eclipsing binary