Browsing by Author "Banerjee, Anuvab"

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Probable low-frequency quasi-periodic oscillations in blazars from the ZTF survey

Banerjee, Anuvab; Negi, Vibhore; Joshi, Ravi; Kumar, Nagendra; Wiita, Paul J.; Chand, Hum; Rawat, Nikita; Wu, Xue-Bing; Ho, Luis C. (Monthly Notices of the Royal Astronomical Society, 2023-12)

We investigate the possible presence of quasi-periodic oscillation (QPO) signals in 2103 blazars from the Zwicky Transient Facility (ZTF) time-domain survey. We detect a low-frequency QPO signal in five blazars observed ...
Quasi-periodic oscillation detected in γ-rays in blazar PKS 0346−27

Prince, Raj; Banerjee, Anuvab; Sharma, Ajay; das, Avik Kumar; Gupta, Alok C.; Bose, Debanjan (Astronomy & astrophysics, 2023-10)

Aims. We present a variability study of the blazar PKS 0346−27 conducted between December 2018 and January 2022 using archival γ-ray observations from Fermi-LAT. Methods. We used Lomb–Scargle periodogram and weighted ...

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