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Importance and Science Outcomes from the first XSPECT/XPoSat Workshop
Anuj Nandi, Rwitika Chatterjee, V. P. Shyam Prakash +49
This paper summarizes the science outcomes of the first Workshop on Data Analysis using observations from the XSPECT payload onboard the XPoSat, which brought together early-career…
Time-Lag properties associated with LFQPO in X-ray variability classes of GRS 1915+105: Findings from AstroSat
Prajjwal Majumder, Broja G. Dutta, Anuj Nandi
We present a comprehensive analysis of Low Frequency Quasi-periodic Oscillation (LFQPO) associated time-lags in the persistently variable black hole binary GRS 1915+105 using 441 k…
Decoding the Origin of HFQPOs of GRS 1915+105 during 'Canonical' Soft States: An In-depth View using Multi-mission observations
Prajjwal Majumder, Broja G. Dutta, Anuj Nandi
We present a comprehensive analysis of the 'canonical' soft state (, , and spectral variability classes) of the black hole binary GRS 1915+105, using RXTE, AstroSat, and…
First detection of Soft-lag in GRS 1915+105 at HFQPO using AstroSat observations
Prajjwal Majumder, Broja G. Dutta, Anuj Nandi
The Galactic black hole GRS 1915+105 exhibits generic High-Frequency Quasi-periodic Oscillations (HFQPOs) at 67 Hz only during the radio-quiet 'softer' variability classes.…