Browsing Aryabhatta Research Institute of Observational Sciences by Author "Raman, Gayathri"

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NuSTAR investigation of X-ray variability and hard X-ray spectral properties in IGR J16320−4751 and IGR J16479−4514

Varun; Raman, Gayathri (Monthly Notices of the Royal Astronomical Society, 2023-08)

We present the results obtained from a comprehensive timing and spectral study of two high mass X-ray binary sources using NuSTAR observations. These two sources, IGR J16320–4751 and IGR J16479–4514 were discovered by ...
Quiet, but not silent: uncovering quiescent state properties of two transient high-mass X-ray binaries

Raman, Gayathri; Varun; Pradhan, Pragati; Kennea, Jamie (Monthly Notices of the Royal Astronomical Society, 2023-12)

We present the first set of broad-band spectral and timing studies of two transient X-ray pulsars, MXB 0656−072 and MAXI J1409−619 using NuSTAR observations conducted during quiescence. Despite being captured at one of ...

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