Astrophysics (index)about

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)
http://en.wikipedia.org/wiki/Ap_and_Bp_stars

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