3 papers
astro-ph.HE2025
Indication for Dual Periodic Signatures in PKS 0805-07 from Multi-technique Time Series Analysis
Sikandar Akbar, Zahir Shah, Ranjeev Misra +2
We report the identification of two statistically significant quasi-periodic oscillations in the weekly binned -ray light curve of the flat-spectrum radio quasar PKS 080507,…
astro-ph.HE2025
Probing the Origin of X-ray Flares in the Low-Hard State of GRS 1915+105 Using AstroSat and NuSTAR
Shahzada Akhter, Sajad Boked, Bari Maqbool +2
We performed a detailed time-resolved spectral study of GRS 1915+105 during its low-flux rebrightening phase using the broadband capabilities of AstroSat and NuSTAR in May-June 201…
astro-ph.HE2024
Time resolved spectroscopy of a GRS 1915+105 flare during its unusual low state using AstroSat
Sajad Boked, Bari Maqbool, V. Jithesh +3
Since its discovery in 1992, GRS 1915+105 has been among the brightest sources in the X-ray sky. However, in early 2018, it dimmed significantly and has stayed in this faint state…