3 papers
astro-ph.HE2026
Accretion geometry and spectral evolution in 1A 1118-61: a comparison of the 2009 and 2026 outbursts
Kinjal Roy, Aru Beri, Rahul Sharma +1
We present a detailed spectro-temporal study of the Be X-ray binary pulsar during its brightest recorded outburst in 2026, using \textit{Swift} and \textit{NuSTAR} o…
astro-ph.HE2025
XMM-Newton view of pulsating iron fluorescent emission from Centaurus X3
Kinjal Roy, Hemanth Manikantan, Biswajit Paul
Cen X-3 is a bright, high-mass X-ray binary pulsar. We present a pulse phase-resolved X-ray spectral analysis of data from an archival XMM-Newton observation of Cen X-3 taken durin…
astro-ph.HE2025
Unveiling the intensity-dependent wake structure of Vela X-1 using MAXI/GSC
Abhisek Tamang, Kinjal Roy, Hemanth Manikantan +2
Context. Vela X-1 is among the earliest discovered high-mass X-ray binary (HMXB) pulsars. In such systems, the companion's stellar wind is strongly affected by ionisation from X-ra…