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 $1A$ $1118-61$ during its brightest recorded outburst in 2026, using \textit{Swift} and \textit{NuSTAR} o…