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Pressure supported systems modeled under MONDian extended gravity areexpected to show an outer flattening in their velocity dispersion profiles. Acharacteristic scaling between the amplitude of the asymptotic velocitydispersion and the radius at which the flattening occurs is also expected. Bycomprehensively analyzing the dynamical behavior of $\sim$300 extremely lowrotating elliptical galaxies from the MaNGA survey, we show this type ofpressure supported systems to be consistent with MONDian expectations, for arange of central velocity dispersion values of $60 km/s < \sigma_{central}< 280km/s $ and asymptotic velocity dispersion values of $28km/s <\sigma_{\infty}<250 km/s$. We find that a universal velocity dispersion profileaccurately describes the studied systems; the predicted kinematics of extendedgravity are verified for all well observed galaxies.

A Test of MONDian Gravity in $\sim$300 pressure supported elliptical galaxies from the MaNGA survey