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Fig. 25

image

ACIS-I count rate in the [1.0–1.8] keV band vs. J magnitude. The dashed and dotted lines represent proportionality; the distance between the dotted lines is an order magnitude difference in the X-ray to J flux ratio. Symbols as in Figs. 9 and 10, except for black crosses representing a spatially-selected subset of X-ray sources (see text). Arrows indicate count-rate upper limits to undetected RGS11 YSOs.

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