activity
20132024
most citedCalibration of the Large Area X-ray Proportional Counter (LAXPC) instrument on-board AstroSat

197 citations · 960 across the 28 of their papers we have counts for

collaborators

28 papers

astro-ph.HE2024★ 3 cited

AstroSat timing and spectral analysis of the accretion-powered millisecond X-ray pulsar IGR J17591--2342

Akshay Singh, Andrea Sanna, Sudip Bhattacharyya +5

IGR J17591--2342, a transient accretion-powered millisecond X-ray pulsar, was discovered during its 2018 outburst. Here, we present a timing and spectral analysis of the source usi…

astro-ph.HE2024

Long term wide-band spectro-temporal studies of outbursting black hole candidate sources GX 339-4 and H 1743-322: AstroSat and NuSTAR results

U. Aneesha, Santabrata Das, Tilak B. Katoch +1

We present a comprehensive spectro-temporal analyses of recurrent outbursting black hole sources GX 3394 and H 1743322 using available AstroSat and NuSTAR archival observatio…

astro-ph.HE2024

Discovery of evolving low-frequency QPOs in hard X-rays ( keV) observed in black hole Swift J1727.8-1613 with

Anuj Nandi, Santabrata Das, Seshadri Majumder +3

We report the first detection of evolving Low-Frequency Quasi-periodic Oscillation (LFQPO) frequencies in hard X-rays upto keV with during `unusual' outburst…

astro-ph.HE2023★ 21 cited

Spectro-polarimetric view of bright atoll source GX 9+9 using IXPE and AstroSat

Rwitika Chatterjee, Vivek K. Agrawal, Kiran M. Jayasurya +1

We have carried out the first spectro-polarimetric study of the bright NS-LMXB GX 9+9 using IXPE and AstroSat observations. We report a significant detection of polarization of $1.…

astro-ph.HE2023★ 7 cited

Broadband X-ray properties of black holes GRS 1758-258 and 1E 1740.7-2942: AstroSat and NuSTAR results

Bhuvana G. R., Aneesha U., Radhika D. +4

We present the results on broadband X-ray properties of persistent black hole binaries GRS 1758258 and 1E 1740.72942 using AstroSat, NuSTAR and Swift-XRT observations carried…

astro-ph.HE2022★ 7 cited

AstroSat view of `Clocked` burster GS 1826-238:broad-band spectral nature of persistent and burst emission during soft state

Vivek Kumar Agrawal, Anuj Nandi, Tilak Katoch

In this paper, we have carried out a detailed study of the `Clocked' burster GS using 90 ks broad-band (0.7 - 60.0 keV) data obtained with {\it AstroSat} observat…