Fig. 1.

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Multi-wavelength image of the Cloverleaf odd radio circle system. Left: DESI Legacy Survey DR10 optical (white to yellow), XMM-Newton X-ray (blue), and ASKAP radio continuum (red) composite image of the Cloverleaf ORC. Middle: zoomed-in views of three morphologically disturbed galaxies (A, B, C) to the east and morphologically undisturbed galaxy (D) to the west. The BCG1, located at the X-ray and radio emission peak, and another bright elliptical galaxy (BCG2) are also shown. Top right: ASKAP 856 MHz image of the Cloverleaf ORC convolved to 20 arcsec resolution. Bottom right: EPIC-pn flux image in the 0.5−1.2 keV band. The image is source-removed and smoothed by a 20″ Gaussian kernel. Overlaid is the radio ASKAP contour of the Cloverleaf ORC (Koribalski et al., in prep.).
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