Dwarfs in the Milky Way halo outer rim: first in-fall or backsplash satellites?

Matias Blaña, Andreas Burkert, Michael Fellhauer +2

Leo T is a gas-rich dwarf located at 414kpc $(1.4R_{\mathrm{vir}})$ distance from the Milky Way (MW) and it is currently assumed to be on its first approach. Here, we present an analysi…