Description: 亚巨星是指在赫罗图上位于主序和巨星支之间的恒星。这类恒星大多已经结束了内核的氢聚变，正在向巨星演化。其中一些亚巨星会发生脉动，从而成为变星。造父变星就是脉动亚巨星的一个例子。

Related Terms:

• Cepheid Variable
• Giant Star
• Hertzsprung–Russell (HR) Diagram
• Hydrogen Fusion
• Main Sequence
• Stellar Evolution
• Variable Star
• Luminosity Class

Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

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