Chandra image of the background galaxy cluster CXOU J001354.2-231254.7 with contours showing IRAC emission overlaid depicting emission detected by IRAC at Channel 1 (3.6 μm). The contours are placed at the levels of 0.22 and 0.57 MJy/sr and the color scale is in counts s−1 pixel−1, where one square pixel corresponds to 0.″5 × 0.″5. See Section 6.