不稳定带

不稳定带是在赫罗图上接近垂直的一块区域，这是脉动变星(包括天琴座RR变星、造父变星、室女W型变星、鲸鱼ZZ型变星、金牛RV型变星、盾牌δ型变星、凤凰SX型变星和快速震荡Ap星)分布的区域。

不稳定带横断主序带的A和F型星(1-2太阳质量)，并几乎向上垂直扩展(稍有向右倾斜)直至最明亮的区域。不稳定带的底部在赫罗图上的赫氏空隙。

单词	Instability strip
释义	Instability strip 中文百科不稳定带不稳定带是在赫罗图上接近垂直的一块区域，这是脉动变星(包括天琴座RR变星、造父变星、室女W型变星、鲸鱼ZZ型变星、金牛RV型变星、盾牌δ型变星、凤凰SX型变星和快速震荡Ap星)分布的区域。不稳定带横断主序带的A和F型星(1-2太阳质量)，并几乎向上垂直扩展(稍有向右倾斜)直至最明亮的区域。不稳定带的底部在赫罗图上的赫氏空隙。英语百科 Instability strip 不稳定带 The unqualified term instability strip usually refers to a region of the Hertzsprung–Russell diagram largely occupied by several related classes of pulsating variable stars: Delta Scuti variables, SX Phoenicis variables, and rapidly oscillating Ap (roAp) stars near the main sequence; RR Lyrae variables where it intersects the horizontal branch; and the Cepheid variables where it crosses the supergiants.
随便看	genus Colubrina genus colubrinas genus Columba genus columbas genus Columnea genus columneas genus Colutea genus coluteas genus Comandra genus comandras genus Comatula genus comatulas genus Combretum genus combretums genus Commelina genus commelinas genus Commiphora genus commiphoras genus Compsognathus genus compsognathuss genus Comptonia genus comptonias genus Condylura genus condyluras genus Conepatus

Instability strip