  We explore the effects of specific assumptions in the subgrid models of star
formation and stellar and AGN feedback on intrinsic alignments of galaxies in
cosmological simulations of "MassiveBlack-II" family. Using smaller volume
simulations, we explored the parameter space of the subgrid star formation and
feedback model and found remarkable robustness of the observable statistical
measures to the details of subgrid physics. The one observational probe most
sensitive to modeling details is the distribution of misalignment angles. We
hypothesize that the amount of angular momentum carried away by the galactic
wind is the primary physical quantity that controls the orientation of the
stellar distribution. Our results are also consistent with a similar study by
the EAGLE simulation team.
