“Dipper” stars in the Upper Sco and ρ Oph star forming regions identified from the K2 mission

摘要

We report the discovery of 24 new “dippers” - young stars with disks that show 1-3 day long abrupt drops in their light curves. The search was based on the K2 Campaign 2 observations of the Upper Sco and ρ Oph star forming regions.