Fig. 3
Exposure maps of the XMM-CDFS in the 2 − 10 (left) and 5 − 10 keV (right) bands. The Chandra 4 Ms and ECDS areas, and the pointing positions and groups are superimposed with different symbols and letter marks according to the observing season (see Table 1). The colour wedges show the exposure time in s as the sum of the MOS1, MOS2 and PN exposures.
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