The orbit of a newly-discovered planet, TOI 1338 b, encircles both of its host stars, which form a so-called “binary” star system.

SDSU Astronomers, working with an international team of co-investigators, have just announced the discovery of the first circumbinary planet identified in data from NASA’s new TESS mission. They have also recently published confirmation of a second circumbinary planet system using data from NASA’s Kepler mission, in collaboration with former SDSU Astronomy master’s thesis student Quentin Socia (who led the study). Only about a dozen similar systems have been discovered to date, most of them by SDSU’s planet-hunting team.

Both discoveries were presented at the January 2020 meeting of the American Astronomical Society in Honolulu, HI. Read more about both findings at the SDSU news center.