activity
20202026
most citedEstimation of the black hole spin in LMC X-1 using AstroSat

27 citations · 71 across the 45 of their papers we have counts for

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astro-ph.HE2026

Comparative spectro-temporal study between 1A 1246588 and 4U 0614091 using AstroSat

Suchismito Chattopadhyay, Soma Mandal, Ranjeev Misra

We present a comparative broadband spectro-temporal study of the ultra-compact X-ray binary (UCXB) candidates 1A 1246588 and 4U 0614091 using AstroSat observations. Spectral…

astro-ph.HE2026

Long-term X-ray spectral analysis of Cygnus X-1 using AstroSat

H Lalthantluanga, Akash Garg, Ranjeev Misra +2

We performed a spectral analysis of long-term observations (2016-2019) of the black hole binary Cygnus X-1 using AstroSat, covering its hard, intermediate, and soft states. During…

astro-ph.HE2026

Spectral evolution of NS binary system GX 349+2 using AstroSat observations

Garima Tyagi, Suchismito Chattopadhyay, Sree Bhattacherjee +3

We present a broadband spectral study of the Sco-like Z source GX 349+2 using AstroSat LAXPC and SXT observations obtained during 2019 and 2024. The X-ray light curves exhibit larg…

astro-ph.HE2026

Complex Energy-Dependent Behaviour of Quasi-Periodic Oscillation Observed in GRS 1915+105

Vaibhav Sharma, Ranjeev Misra, V. Jithesh +5

We present complex energy-resolved properties of quasi-periodic oscillations (QPOs) in the black hole X-ray binary GRS 1915+105 using an observation from the LAXPC instrument onboa…

astro-ph.HE2026

Probing the High-Energy Emission of the VHE-emitting Changing-Look Blazar B2 1420+32

Anjum Peer, Zahir Shah, Sikandar Akbar +2

We present a multi-wavelength temporal and spectral study of the changing-look blazar B2~1420+32 using \emph{Fermi}-LAT, \emph{Swift}-XRT, and \emph{Swift}-UVOT data from MJD~58818…

astro-ph.HE2026

Potential detection of ~ 4.2 keV emission line from GRS 1747-312

Amom Lanchenbi Chanu, Akash Garg, Ranjeev Misra +1

We present a broadband spectral analysis of the neutron star LMXB GRS 1747-312 using 40 ks AstroSat data. The source was observed during the decay phase of the 2017 outburst…