Pandey, Ashwani; Gupta, Alok C.; Wiita, Paul J.; Tiwari, S. N.
(The Astrophysical Journal, 2019-02)
We present the results of our optical (VRI) observations of the TeV blazar PG 1553+113 over eight nights in 2016
April. We monitored the blazar quasi-simultaneously in V and R bands each night and examined the light ...