Fig. 9.
Cutout (18′×15′) of the centre of the HEROES field. ROSAT X-ray contours (green) are superposed on a false-colour optical–mid-IR image with the HSC i band in blue and the Spitzer I1 and I2 bands in green and red, respectively. ML X-ray error circles are shown in cyan with the radius of 2σ. Optical counterpart magnitudes are indicated in magenta.
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