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We investigate the stellar mass loss of gas rich galaxies falling intoclusters due to the change in the gravitational potential caused by the rampressure stripping of their gas. We model the satellites with exponentialstellar and gas disk profiles, assume rapid ram pressure stripping, and followthe stellar orbits in the shocked potential. Due to the change of thepotential, the stars move from circular orbits to elliptical orbits withapocenters that are often outside the tidal radius, causing those stars to bestripped. We explore the impact of the redshift of infall, gas fraction,satellite halo mass and cluster mass on this process. The puffing of thesatellites makes them appear as ultra diffuse galaxies, and the stripped starscontribute to the intracluster light. Our results show these effects are mostsignificant for less-massive satellites, which have larger gas fractions whenthey are accreted into clusters. The preferential destruction of low masssystems causes the red fraction of cluster galaxies to be smaller at lowermasses, an observation that is otherwise difficult to explain.

The Fate of Gas rich Satellites in Clusters