magnetic variable

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An alternative term for an Alpha2 Canum Venaticorum star or SX Arietis star, types of variable that exhibit low-amplitude optical variations and a variable magnetic field. The term is also sometimes incorrectly applied to any variable in which magnetic processes are important, such as an AM Herculis star (a polar), an RS Canum Venaticorum star, and certain types of RR Lyrae star.

Subjects: Astronomy and Astrophysics.

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