Fig. 1.
NuSTAR image of Swift J1816.7–1613 extracted from FPMA (left panel) and FPMB (right panel) in the energy range of 3–79 keV. The solid white circles are the source extraction regions of radius 100″ and the dashed white circles are the background regions of the same radius which were selected from the source-free regions. The colour bar on the right hand side shows the number of counts per pixel.
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