Exploring the AGN–Ram Pressure Stripping Connection in Local Clusters

Ram-pressure stripping by the intracluster medium (ICM) is one of most advocated mechanisms that affect properties cluster galaxies. A recent study based on a small sample has found many galaxies showing strong signatures ram-pressure also possess an active galactic nucleus (AGN), suggesting possible correlation between two phenomena. This result not been confirmed subsequent study. Building upon previous findings, here we combine MUSE observations conducted within GASP program and general survey literature to robustly measure AGN fraction in cluster's ram pressure stripped using BPT emission line diagrams. Considering 115 with stellar masses $\geq 10^9 \, M_{\odot}$, find $\sim27\%$. strongly depends mass: it raises 51% when only $M_* \geq 10^{10} M_{\odot}$ are considered. We then investigate whether incidence excess compared non-stripped galaxies, as comparison non-cluster observed MaNGA. mass-matched samples, activity significantly higher (at confidence level $>99.95\%$) act, supporting hypothesis AGN-ram connection.