Gaur, Haritma; Gupta, Alok C; Bachev, R.
(Monthly Notices of the Royal Astronomical Society, 2019-02)
We present the results of photometric observations of three TeV blazars, 3C 66A, S4 0954+658, and BL Lacertae (BL Lac), during the period 2013–2017. Our extensive observations were performed in a total of 360 nights which ...