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astro-ph.HE2025
Sidebands to mHz QPOs in 4U 162667 in the second spin-down state
Rahul Sharma, Chetana Jain, Biswajit Paul +1
We report results from an Target-of-Opportunity (ToO) observation of 4U 162667, performed on 2023 May 18, soon after the discovery of torque reversal to spin-down in…
astro-ph.HE2024
X-Ray spectral and temporal properties of LMXB 4U 1608-52- observed with AstroSat and NICER
Sree Bhattacherjee, Ankur Nath, Biplob Sarkar +4
We report results from a detailed study of the neutron star X-ray binary, 4U 1608-52 using observations with {\it AstroSat} (LAXPC/SXT) and {\it NICER} during its 2016 and 2020 out…