TESS detects new cataclysmic variable system of a rare type

An international team of astronomers reports the discovery of a new variable system using NASA's Transiting Exoplanet Survey Satellite (TESS). The newfound object, designated TIC 378898110, is an AM Canum Venaticorum binary star—a rare type of a cataclysmic variable. The finding was presented in a paper published November 2 on the pre-print server arXiv.