Large Area X-ray Proportional Counter (LAXPC) in orbit performance: Calibration, background, analysis software

HM Antia, PC Agrawal, D Dedhia, T Katoch… - Journal of Astrophysics …, 2021 - Springer
Abstract The Large Area X-ray Proportional Counter (LAXPC) instrument on-board AstroSat
has three nominally identical detectors for timing and spectral studies in the energy range of …

Broad-band spectral and timing properties of MAXI J1348–630 using AstroSat and NICER observations

V Jithesh, R Misra, B Maqbool… - Monthly Notices of the …, 2021 - academic.oup.com
We present broad-band X-ray spectral-timing analysis of the new Galactic X-ray transient
MAXI J1348–630 using five simultaneous AstroSat and NICER observations. Spectral …

AstroSat and Chandra View of the High Soft State of 4U 1630–47 (4U 1630–472): evidence of the disk wind and a rapidly spinning black hole

M Pahari, S Bhattacharyya, AR Rao… - The Astrophysical …, 2018 - iopscience.iop.org
We present the X-ray spectral and timing analysis of the transient black hole X-ray binary 4U
1630–47, observed with the AstroSat, Chandra, and MAXI space missions during its soft X …

Broad-band spectral evolution and temporal variability of IGR J17091-3624 during its 2016 outburst: SWIFT and NuSTAR results

A Nandi, N Iyer, S Mandal - Astrophysics and Space Science, 2018 - Springer
We report on the 2016 outburst of the transient Galactic Black Hole candidate IGR J17091-
3624 based on the observation campaign carried out with SWIFT and NuSTAR. The outburst …

Study of timing evolution from nonvariable to structured large-amplitude variability transition in GRS 1915+ 105 using AstroSat

D Rawat, M Pahari, JS Yadav, P Jain… - The Astrophysical …, 2018 - iopscience.iop.org
In this work, we present a∼ 90 ks continuous monitoring of the Galactic microquasar GRS
1915+ 105 with AstroSat when the source undergoes a major transition from a nonvariable …

Study of relativistic hot accretion flow around Kerr-like wormhole

G Sen, D Maity, S Das - Journal of Cosmology and Astroparticle …, 2024 - iopscience.iop.org
We investigate the structure of relativistic, low-angular momentum, inviscid advective
accretion flow in a stationary axisymmetric Kerr-like wormhole (WH) spacetime …

Accretion flow properties of GRS 1915+ 105 during Its θ class using AstroSat data

A Banerjee, A Bhattacharjee, D Chatterjee… - The Astrophysical …, 2021 - iopscience.iop.org
The Galactic microquasar GRS 1915+ 105 shows rich variability that is categorized into
different classes. In this paper, we report the temporal and spectral analysis of GRS 1915+ …

Extensive broadband X-ray monitoring during the formation of a giant radio jet base in Cyg X-3 with AstroSat

M Pahari, JS Yadav, JV Chauhan… - The Astrophysical …, 2018 - iopscience.iop.org
We present X-ray spectral and timing behavior of Cyg X-3 as observed by AstroSat during
the onset of a giant radio flare on 2017 April 1–2. Within a timescale of a few hours, the …

AstroSat: Concept to achievements

S Seetha, K Kasturirangan - Journal of Astrophysics and Astronomy, 2021 - Springer
AstroSat has completed 5 years of successful in-orbit operation on 28 September 2020.
AstroSat is ISRO's first Indian multi-wavelength satellite operating as a space Observatory. It …

LAXPC instrument onboard AstroSat: Five exciting years of new scientific results specially on X-ray binaries

JS Yadav, PC Agrawal, R Misra, J Roy… - Journal of Astrophysics …, 2021 - Springer
With its large effective area at hard X-rays, high time resolution and having co-aligned other
instruments, AstroSat/LAXPC was designed to usher in a new era in rapid variability studies …