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Low-frequency radio constraints on the synchrotron cosmic web

Low-frequency radio constraints on the synchrotron cosmic web

We present a search for the synchrotron emission from the synchrotron cosmic web by cross correlating 180MHz radio images from the Murchison Widefield Array with tracers of large scale structure (LSS). We use two versions of the radio image covering $21.76\times 21.76$ degrees with point sources brighter than 0.05 Jy …