Fig. 1.
Raw hard-band (0.5−2 keV) image of the NEP raster scan (upper left, scale in raw counts); exposure map (upper right, scale in seconds); exposure-corrected image (lower left, scale in counts s−1); count rate sensitivity map (lower right, scale in counts s−1). The image size is 6.4° ×6.4°, centred on the NEP. The pixel size is 45″.
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