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Fig. 2


Slices through the Chandra images in right ascension (top panel) and declination (bottom panel) (see text for details). The width of the extraction region was 7′′. Black points represent the profile of the full energy range (0.3−10.0 keV) image. Red points represent the low (<5 keV) energy data and green points represent the high (>5 keV) energy data. The blue curve shows the simulated Chandra-ACIS PSF at the chip-position of η Carinae in this observation. The dashed vertical lines show the size of the excluded region around η Carinae (circular region in Fig. 1). The y-scale has been truncated to highlight the behaviour away from the central peak. Note that the PSF is normalised to the maximum of the full-energy-range data.

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