3 papers
astro-ph.HE2026
Probing burst-disc interaction and disc reflection in SAX J1808.43658 with NICER, XMM-Newton, and NuSTAR
Manoj Mandal, Sachindra Naik, Birendra Chhotaray
We performed a comprehensive study of thermonuclear bursts from the millisecond X-ray pulsar SAX J1808.43658 with XMM-Newton and NICER. We report the results from the analysis o…
astro-ph.HE2025
Discovery of Changing-Look behavior in AGN NGC 3822: A long-term multiwavelength study
Narendranath Layek, Prantik Nandi, Sachindra Naik +7
We present a comprehensive long-term multi-wavelength study of the active galactic nucleus (AGN) NGC 3822, based on 17 years (2008 to 2025) of X-ray, ultraviolet (UV), and optical…
astro-ph.HE2025
Broadband study of the SMC pulsar RX J0032.9-7348 during its X-ray brightening in 2024
Birendra Chhotaray, Gaurava K. Jaisawal, Sachindra Naik +1
We present the results of the broadband timing and spectral analysis of the poorly understood SMC pulsar RX J0032.9-7348 (= SXP 7.02) using NuSTAR and NICER observations during its…