SANDEEP K. ROUT
Articles written in Journal of Astrophysics and Astronomy
Volume 42 All articles Published: 11 June 2021 Article ID 0039 SCIENCE RESULTS
Multi-wavelength view of the galactic black-hole binary GRS 1716–249
SANDEEP K. ROUT SANTOSH V. VADAWALE E. AARTHY SHASHIKIRAN GANESH VISHAL JOSHI JAYASHREE ROY RANJEEV MISRA J. S. YADAV
The origins of X-ray and radio emissions during an X-ray binary outburst are comparatively better understood than those of ultraviolet, optical and infrared radiation. This is because multiple competing mechanisms – emission from intrinsic and irradiated disk, secondary star emission, synchrotron emissionfrom jet and/or non-thermal electron cloud, etc – peak in these mid-energy ranges. Ascertaining the true emission mechanism and segregating the contribution of different mechanisms, if present, is important for correct understanding of the energetics of the system and hence its geometry and other properties. We have studied the multi-wavelength spectral energy distribution of the galactic X-ray binary GRS 1716-249 ranging from near infrared ($5 \times 10^{-4}$ keV) to hard X-rays (120 keV) using observations from AstroSat,
Volume 43, 2022
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