Variable Stars

Variable Stars

Group Extrinsic

The extrinsic classification refers to eclipsing, rotating, and microlensing variable stars, all of which have flux variations as a result of external stellar factors.

Variable Stars

Group Intrinsic

The group of Intrinsic variable stars is classified based on internal stellar structure causing the changes to the star, and thus the variability to their flux. It covers most of the variable star classes: Eruptive, Cataclysmic, and Pulsation.