The recurrent impact of the Sagittarius dwarf on the star formation history of the Milky Way
Satellites orbiting disk galaxies can induce phase space features such as spirality, vertical heating and phase-mixing in their disks. Such features have also been observed in our own Galaxy, but the complexity of the Milky Way disk has only recently been fully mapped by Gaia Data Release 2 (DR2) data. This complex behaviour is mainly ascribed to
Ruiz-Lara, Tomás et al.
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2020