Badran, H. M; Boundok, I. I; Abdou, Y; Hashad, M. A
(EGYPTIAN SOC NUCLEAR SCIENCES & APPLICATIONS, 2019-04)
The current study presents a long-term light curve (LC) of the flat spectrum radio quasar (FSRQ) 4C +21.35 (also known as PKS 1222+216, z= 0.432) as observed by the Fermi Large Area Telescope (LAT) during the first seven ...