Astrophysics (Index)About

Ap star

(peculiar type of A star)

An Ap star belongs to a subtype of A-type stars, that have more than expected of some metals, such as strontium, chromium, europium, praseodymium, and neodymium. They also commonly have a slow rotation rate and a strong magnetic field.

Bp stars are analogous B-type stars.

A roAp star (for rapidly oscillating Ap star) is a sub-type, a pulsating star with an oscillation period in minutes.

(star type)
Further reading:

Referenced by pages:
chemically peculiar star (CP star)