Discovery of two rotational modulation periods from a young hierarchical triple system

Yu-Tao Chen, Hai-Jun Tian, Min Fang +7

GW~Ori is a young hierarchical triple system located in $\lambda$ Orionis, consisting of a binary (GW~Ori\,A and B), a tertiary star (GW~Ori\,C) and a rare circumtriple disk. Due to the…