flash animation

Binary Types

Shown an image of two stars apparently nearby each other and given their right ascensions, declinations, and distances, the student is asked to determine what kind of binary they form (visual/astrometric/spectroscopic/eclipsing binary, or an optical double).

keywords: binary, right ascension, declination, distance, visual binary, eclipsing binary, optical double

swf file: ca_binaryvariablestars_binarytypes.swf