Rapidly oscillating Ap star

Rapidly oscillating Ap stars (roAp stars) are a subtype of the Ap star class that exhibit short-timescale rapid photometric or radial velocity variations. The known periods range between 5 and 23 min. They lie in the delta Scuti instability strip on the main sequence.

单词	Rapidly oscillating Ap star
释义	Rapidly oscillating Ap star 英语百科 Rapidly oscillating Ap star Rapidly oscillating Ap stars (roAp stars) are a subtype of the Ap star class that exhibit short-timescale rapid photometric or radial velocity variations. The known periods range between 5 and 23 min. They lie in the delta Scuti instability strip on the main sequence.
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