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Fig. 4

image

Surface-brightness radial profiles of the source T Pyx extracted from a sector-area of opening angle 30 degrees. From left to right: profiles are in the eastern, western, northern, and southern directions. In all panels, an equivalent Chandra ACIS-S3 PSF radial profile of about 500 photons calculated from the same sector is overplotted. Gaussian errors are assumed.

This figure is made of several images, please see below:

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