activity
20142023
most citedMulti-messenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A

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astro-ph.HE2022★ 23 cited

Detection of a quasi-periodic oscillation in the optical light curve of the remarkable blazar AO 0235+164

Abhradeep Roy, Varsha R. Chitnis, Alok C. Gupta +8

We present a long term optical band light curve analysis of the gravitationally lensed blazar AO 0235+164 in the time span 1982 - 2019. Several methods of analysis lead to the…