(Beta Per, β Per, Beta Persei, β Persei)
(multiple star system demonstrating effects of mass transfer)
(Beta Persei, β Persei, Beta Per, or β Per)
is a triple star system including an
eclipsing binary, and whose stars do not
appear to match normal main-sequence
evolution, a consequence of mass transfer between stars.
Characteristics (β Per Aa1):
The "wrong" characteristics of the stars due to
the accretion between stars is known as the Algol paradox.
The terms Algol variable (or just Algol) is a class of
variable stars for which Algol is the prototype.
(star,binary star,variable star)
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Referenced by pages:
B-type star (B)
post-common envelope binary (PCEB)
S-type star (S)