Some stars are quiet,
Some stars pulsate,
Some stars are single,
Some have a mate.
This is a pulsating star in a binary system. Thank you to the citizen scientists who brought this fun system to our attention and suggested it as a lightcurve of the week. https://www.zooniverse.org/projects/nora-dot-eisner/planet-hunters-tess/talk/2112/1030293?comment=2048847&page=1