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Jayashree Roy
Jayashree Roy
IUCAA
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Year
Large area X-ray proportional counter (LAXPC) instrument on AstroSat and some preliminary results from its performance in the orbit
PC Agrawal, JS Yadav, HM Antia, D Dedhia, P Shah, JV Chauhan, ...
Journal of Astrophysics and Astronomy 38, 1-13, 2017
1182017
Short-timescale γ-Ray Variability in CTA 102
A Shukla, K Mannheim, SR Patel, J Roy, VR Chitnis, D Dorner, AR Rao, ...
The Astrophysical Journal Letters 854 (2), L26, 2018
692018
Study of recent outburst in the Be/X-ray binary RX J0209.6−7427 with AstroSat: a new ultraluminous X-ray pulsar in the Magellanic Bridge?
AD Chandra, J Roy, PC Agrawal, M Choudhury
Monthly Notices of the Royal Astronomical Society 495 (3), 2664-2672, 2020
612020
Large Area X-ray Proportional Counter (LAXPC) in Orbit Performance: Calibration, background, analysis software
HM Antia, PC Agrawal, D Dedhia, T Katoch, RK Manchanda, R Misra, ...
arXiv preprint arXiv:2101.07514, 2021
512021
DETECTION OF VERY HARD γ-RAY SPECTRUM FROM THE TEV BLAZAR MRK 501
A Shukla, K Mannheim, VR Chitnis, J Roy, BS Acharya, D Dorner, ...
The Astrophysical Journal 832 (2), 177, 2016
202016
LAXPC/AstroSat Study of∼ 1 and∼ 2 mHz Quasi-periodic Oscillations in the Be/X-ray Binary 4U 0115+ 63 During its 2015 Outburst
J Roy, PC Agrawal, NK Iyer, D Bhattacharya, JS Yadav, HM Antia, ...
The Astrophysical Journal 872 (1), 33, 2019
182019
An alternative scheme to estimate AstroSat/LAXPC background for faint sources
R Misra, J Roy, JS Yadav
Journal of Astrophysics and Astronomy 42 (2), 55, 2021
152021
Performance of large area x-ray proportional counters in a balloon experiment
J Roy, PC Agrawal, DK Dedhia, RK Manchanda, PB Shah, VR Chitnis, ...
Experimental Astronomy, 1-22, 0
15
Re-awakening of GRS 1716–249 after 23 yr, observed by Swift/XRT and NuSTAR
P Bharali, S Chandra, J Chauhan, JA Garcia, J Roy, M Boettcher, ...
Monthly Notices of the Royal Astronomical Society 487 (3), 3150-3161, 2019
132019
Studies of quasi‐periodic oscillations in the black hole transient XTE J1817–330
J Roy, PC Agrawal, B Paul, K Duorah
Monthly Notices of the Royal Astronomical Society 412 (2), 1011-1022, 2011
122011
Detection of nearly periodic spin period reversals in Vela X-1 on long time-scales: inkling of solar-like cycle in the donor star?
AD Chandra, J Roy, PC Agrawal, M Choudhury
Monthly Notices of the Royal Astronomical Society 508 (3), 4429-4442, 2021
102021
Timing and Spectral Study of IGR J19294+ 1816 with the RXTE: The Discovery of Cyclotron Features
J Roy, M Choudhury, PC Agrawal
The Astrophysical Journal 848 (2), 124, 2017
82017
Probing the shot behaviour in Cygnus X-1 using simultaneous AstroSat-NICER observation
Y Bhargava, N Hazra, AR Rao, R Misra, D Bhattacharya, J Roy, MS Alam
Monthly Notices of the Royal Astronomical Society 512 (4), 6067-6077, 2022
72022
A new measurement of the spin and orbital parameters of the high mass X-ray binary Centaurus X-3 using AstroSat
P Shirke, S Bala, J Roy, D Bhattacharya
Journal of Astrophysics and Astronomy 42 (2), 58, 2021
72021
Possible detection of a new cyclotron feature in 4U 1700–37
S Bala, J Roy, D Bhattacharya
Monthly Notices of the Royal Astronomical Society 493 (2), 3045-3053, 2020
62020
AstroSat observations of the Be/X-ray binary XTE J1946+ 274 during 2018 and 2021 outbursts
AD Chandra, J Roy, PC Agrawal
Research in Astronomy and Astrophysics 23 (4), 045003, 2023
52023
The sharpest ultraviolet view of the star formation in an extreme environment of the nearest Jellyfish Galaxy IC 3418
A Hota, A Devaraj, AC Pradhan, CS Stalin, K George, A Mohapatra, ...
Journal of Astrophysics and Astronomy 42, 1-12, 2021
52021
AstroSat observation of the Be/X-ray binary Pulsar 3A 0726-260 (4U 0728-25)
J Roy, PC Agrawal, B Singari, R Misra
Research in Astronomy and Astrophysics 20 (9), 155, 2020
52020
LAXPC instrument onboard AstroSat: Five exciting years of new scientific results specially on X-ray binaries
JS Yadav, PC Agrawal, R Misra, J Roy, M Pahari, RK Manchanda
Journal of Astrophysics and Astronomy 42 (2), 40, 2021
42021
Multi-wavelength view of the galactic black-hole binary GRS 1716–249
SK Rout, SV Vadawale, E Aarthy, S Ganesh, V Joshi, J Roy, R Misra, ...
Journal of Astrophysics and Astronomy 42 (2), 39, 2021
42021
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