The GeV ${\hat{I}}^3$-ray emission from the composite SNR CTB 87

Yuliang Xin, Jian Tang, Weixiong Ding +3

We report the GeV ${\hat{I}}^3$-ray emission around the composite supernova remnant (SNR) CTB 87 with more than 16 yrs PASS 8 data recorded by the Fermi Large Area Telescope. Two separate p…