tokens: ACKNOWLEDGEMENTS We would like to thank Fabrizio Arrigoni Battaia for insightfull discussions related to this manuscript. This research was carried out on the High Performance Computing resources at New York University Abu Dhabi; on the theo cluster of the Max-Planck-Institut für Astronomie and on the hydra clusters at the Rechenzentrum in Garching. We greatly appreciate the contributions of these computing allocations. All figures in this work have been made with matplotlib (Hunter 2007 ), using the open-source python libraries: pynbody (Pontzen et al. 2013 ), numpy (Walt, Colbert Varoquaux 2011 ), and scipy (Eric Jones et al. 2001 ). AO and BM are funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – MO 2979/1-1. TB acknowledges support from by the European Research Council under ERC- CoG grant CRAGSMAN-646955. RK acknowledges support from NASA through Einstein Postdoctoral Fellowship grant number PF7-180163 awarded by the Chandra X-ray Center, which is operated by the Smithsonian Astrophysical Observatory for NASA under contract NAS8-03060.
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