3 papers
astro-ph.HE2026
Detection of Quasiperiodic Oscillations in the Blazar PKS 0735+178 with TESS
Shubham Kishore, Alok C. Gupta, Paul J. Wiita +2
We report here the detection of signatures of a quasiperiodic oscillation (QPO) and a short flare in the optical light curve of the blazar PKS 0735+178, observed in two sectors, 71…
astro-ph.HE2026
Detection of quasi-periodic oscillations in the 37 GHz radio light curve of the blazar Ton 599 during 1990-2020
Alok C. Gupta, Alexandr E. Volvach, Shubham Kishore +6
Blazars are a subclass of radio-loud active galactic nuclei (AGNs) that display strong multi-wavelength variability on diverse timescales ranging from years down to minutes. In the…
astro-ph.HE2025
Possibility of Month-scale Quasi-periodic Oscillations in the Gamma-ray Light Curve of OP 313
Sandeep Kumar Mondal, Shubham Kishore, Alok C. Gupta +1
In this work, we report evidence suggesting the potential future detection of a month-scale quasi-periodic oscillation (QPO) in the gamma-ray light curve of OP 313. We analysed alm…