Astrophysics (index)

Ap Star

(peculiar type of A star)

An Ap Star is a sub-type of A-Type Star, with more than expected of some Metals, such as Strontium, Chromium, Europium, Praseodymium, and Neodymium. Also common are a slow rotation rate and a strong Magnetic Field.

Bp Stars are analogous B-Type Stars.

(star type)