Fig. 10
Top panel: same as in Fig. 9, but here the halo and IC number density profiles are computed separately for the NW (filled symbols) and SE (open symbols) sides of M 87. Bottom panel: difference between the logarithmic PN number density profiles of the halo (red dots) and IC (blue dots) PNs in the NW and SE M 87 regions. A value of zero indicates no difference in the number of sources on opposite sides at a given major axis distance.
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