With consistent shape and morphology definitions, disk-galaxy intrinsic alignments are positive in TNG300 and EAGLE, positive or null in Horizon-AGN, and negative only for reduced shapes at z=1 with |v/σ| disk selection in Horizon-AGN.
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Intrinsic alignment of disks and ellipticals across hydrodynamical simulations
With consistent shape and morphology definitions, disk-galaxy intrinsic alignments are positive in TNG300 and EAGLE, positive or null in Horizon-AGN, and negative only for reduced shapes at z=1 with |v/σ| disk selection in Horizon-AGN.