Raiteri, C. M. , et.al.; Dhiman, V.; Gaur, H.; Gupta, A. C.; Kushwaha, P.; Tripathi, T.
(Monthly Notices of the Royal Astronomical Society, 2023-06)
In 2021 BL Lacertae underwent an extraordinary activity phase, which was intensively followed by the Whole Earth Blazar
Telescope (WEBT) Collaboration. We present the WEBT optical data in the BVRI bands acquired at 36 ...