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EA: The physical origin and impact of stellar-gas misalignments in galaxies from the CIELO simulation – Casanueva

April 21 @ 12:45 pm 1:00 pm CMT

We use zoom-in galaxies from the Chemo-dynamIcal propertiEs of gaLaxies and the cOsmic web (CIELO) cosmological hydrodynamical simulation to study the physical origin and structural impact of the kinematic misalignment between star-forming (SF) gas and stars across cosmic time. We have identified unbound gas accretions and mergers as the leading causes of alignment/misalignment depending on the orientation of the gas falling into the galaxy. We follow the stars and gas particles involved in these processes to determine their final location. Our results aim to unravel the possible role of the processes that lead to the change of the alignment state between SF gas and stars in the current structure of the galaxy, acting as a finger-print to unveil their history.

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