Investigating the Potential of LS 5039 as a Triple System Using Fermi-LAT Data

Lujun Zeng, Mengqing Zhang, Chongyang Ren +2

LS 5039 is one of a handful of ${\hat{I}}^3$-ray binary systems in the Milky Way, comprising a pulsar and a massive O-type companion star with an orbital period of 3.9 day. Recently, we con…