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From Swift BAT+XRT spectra, and Iron Kα fluorescence line estimating flare location

Modeling of 6.4 keV line flux for the seven time intervals during the decay of a flare on CC Eri. The solid horizontal lines show the observed Fe Kα line fluxes of different time segments marked in the bottom of the plot. The dashed curves with similar thickness correspond to the modeled Fe Kαline flux variation with the astrocentric angle for the same time intervals. Thicker lines correspond to the later time spans. The dark shaded regions indicate the upper and lower 68% confidence intervals of the first and last time segments, respectively.

[Image Credit: Karmakar et al. (2017)]


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