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Fig. 1.

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Left: Inverted grayscale g-SDSS image of CGCS 6306 overlaid with CXO ACIS-S X-ray contours in red. The field of view is 2′×2′. Right: Color-composite CXO X-ray picture (R = 0.35 − 2.0 keV, G = 2.0 − 5.0 keV, B = 5.0 − 9.0 keV). The field of view is 30″ × 30″. In both images, north is up and east is to the left.
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