105 citations · 462 across the 18 of their papers we have counts for
26 papers · 1 filter
Spectral evolution of GX 17+2 using AstroSat and NICER observations
Sree Bhattacherjee, Ranjeev Misra, Biplob Sarkar +3
We study the spectral evolution of the Z-track source GX 17+2 using AstroSat and NICER observations taken between 2016 and 2020. The AstroSat observations cover the period when the…
Flaring activity from magnetic reconnection in BL Lacertae
S. Agarwal, B. Banerjee, A. Shukla +7
The evolution of the spectral energy distribution during flares constrains models of particle acceleration in blazar jets. The archetypical blazar BL Lac provided a unique opportun…
Neutron star mass estimates from gamma-ray eclipses in spider millisecond pulsar binaries
C. J. Clark, M. Kerr, E. D. Barr +26
Reliable neutron star mass measurements are key to determining the equation-of-state of cold nuclear matter, but these are rare. "Black Widows" and "Redbacks" are compact binaries…
AstroSat observations of the Be/X-ray binary XTE J1946+274 during 2018 and 2021 outbursts
Amar Deo Chandra, Jayashree Roy, P. C. Agrawal
We present the timing and spectral studies of the Be/X-ray binary XTE J1946+274 during its 2018 and 2021 giant outbursts using observations with the SXT and the LAXPC instruments o…
AstroSat observation of rapid Type-I thermonuclear burst from the low mass X-ray binary GX 3+1
Ankur Nath, Biplob Sarkar, Jayashree Roy +1
We report the results of an observation of low mass X-ray binary GX 3+1 with {\it AstroSat}'s Large Area X-ray Proportional Counter (LAXPC) and Soft X-ray Telescope (SXT) instrumen…
A Gamma-ray Pulsar Timing Array Constrains the Nanohertz Gravitational Wave Background
M. Ajello, W. B. Atwood, L. Baldini +129
After large galaxies merge, their central supermassive black holes are expected to form binary systems whose orbital motion generates a gravitational wave background (GWB) at nanoh…