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astro-ph.GA2026
Lower central dark matter densities in nearby galaxies than predicted by simulations
Yu Lei, Ling Zhu, Meng Yang +9
Baryonic feedback in hydrodynamical simulations is typically invoked to alleviate the core--cusp problem in dwarf galaxies. Yet baryonic processes also induce adiabatic contraction…
astro-ph.GA2026
Uncovering the dark matter distribution by combining stellar kinematics and integrated HI spectra: Method validation
Yu Lei, Meng Yang, Ling Zhu
We determined the dark matter (DM) distribution in galaxies by jointly modelling stellar kinematics from integral field unit (IFU) observations and the gaseous kinematics encoded i…