Detection of anisotropic satellite quenching in galaxy clusters up to <i>z</i> ∼ 1

ABSTRACT Satellite galaxies in the cluster environment are more likely to be quenched than general field. Recently, it has been reported that satellite galaxy quenching depends on orientation relative their central galaxies: satellites along major axis of centrals those minor axis. In this paper, we report a detection such anisotropic up z ∼ 1 based large optically selected catalogue constructed from Hyper Suprime-Cam Subaru Strategic Program. We calculate quiescent fraction as function angle measured and find fractions at 0.25 &amp;lt; reasonably fitted by sinusoidal functions with amplitudes few per cent. Anisotropy is clearer inner regions (&amp;lt;r200m) clusters not significant outskirts (&amp;gt;r200m). also confirm observed anisotropy cannot explained differences local density or stellar mass distribution two axes. Quiescent excesses between axes suggest efficiency contributing almost independent mass, least down our limit $M_{*}=1\times 10^{10}\, {\rm M}_{\odot }$. Finally, argue physical origins should have shorter time-scales $\sim 1\, \mathrm{Gyr}$, like ram-pressure stripping, because, for observed, must before initial angles significantly changed.