Fig. A.1.
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Central area of the median stacked infrared maps (IRAC, WISE, MIPS, and PACS) of LOFAR radio-undetected quasars. The number of quasars stacked in each is indicated in Table 3. The size of the maps is 80″ × 80. The corresponding synthesized beam size is indicated in the left corner. The color scale ranges from −3σL to 5σL , where σL is the local rms noise.
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