Fig. 1.
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Color-composite image (F435W for blue, F606W + F814W for green, and F105W + F125W + F140W + F160W for red) of the cluster core with the SN Refsdal and its host. Shown are the cluster members (red triangles for photometrically selected members and red circles for spectroscopically confirmed members) and the multiple image systems (blue squares for SN Refsdal and the host and blue pentagons otherwise). We indicate the regions (in orange) used for the SN host reconstruction and extended image model.
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