Spectroscopic monitoring of blazar S5 0716+714

In this paper, we report new results of spectroscopic observations of {gamma}-ray blazar S5 0716+714 from 2019 September to 2020 March with the 2.4m optical telescope at Lijiang...本论文报道了2019年9月至2020年3月期间，利用丽江2.4米光学望远镜对γ射线耀变体（gamma-ray blazar）S5 0716+714开展光谱观测所获得的最新结果……