Swift obs. of Mrk 421. III. 2015 Dec-2018 Apr

We present the results from the timing and spectral study of Mrk 421 based mainly on the Swift data in the X-ray energy range obtained during the time interval 2015...本文呈现了主要基于2015年观测时段内获取的X射线能段斯威夫特（Swift）望远镜观测数据，对马卡良421（Mrk 421）开展的计时与能谱研究所得结果。