Description: 光譜類型為 ”K“ 的恆星。天文學家通過光譜中氫原子譜線非常弱但鐵和錳原子譜線較強來識別 K 型星。它們的典型（有效）溫度大約在 3700 K 到 5200 K 之間。與其他恆星相比，它們在人眼中呈現橙白色，除非受到星際或大氣層紅化的影響。金牛座的畢宿五（即阿爾德巴朗）和雙子座的北河三（即波魯克斯）就是 K 型星。

Related Terms:

• 光譜類型
• 恆星
• 紅化
• 有效溫度
• 光譜線

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

This is an automated transliteration of the simplified Chinese translation of this term

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