Fig. 2.
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Map of the soft X-ray emission from NGC 628 in the 0.2–1 keV band overlaid on an Hα image (left). The contours are 3, 5, 8, 16, 32, 64, 128, and 256 × rms. The map is adaptively smoothed with the largest scale of 30″. Right: map of the medium X-ray emission from NGC 628 in the 1–2 keV band overlaid on a UVW1 image. The contours are 3, 5, 8, 16, 32, 64, 128, and 256 × rms. The map is adaptively smoothed with the largest scale of 30″.
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