Table 4.

Expected properties of a radio halo in A781 according to the relation of Cassano et al. (2013).

M500 (M) P1.4 GHz (W Hz−1) S1.4 GHz (mJy) rh (kpc) re (kpc)
6.1 × 1014 1.56 × 1024 5.0 437 168

Notes. The halo reference radius was calculated as rh = 2.6re (Bonafede et al. 2017).

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