Intrinsic alignments of disc and elliptical galaxies in the MassiveBlack-II and Illustris simulations

@article{Tenneti2016IntrinsicAO,
  title={Intrinsic alignments of disc and elliptical galaxies in the MassiveBlack-II and Illustris simulations},
  author={Ananth Tenneti and Rachel Mandelbaum and Tiziana di Matteo},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2016},
  volume={462},
  pages={2668-2680}
}
  • Ananth Tenneti, Rachel Mandelbaum, Tiziana di Matteo
  • Published 2016
  • Physics
  • Monthly Notices of the Royal Astronomical Society
  • We study the shapes and intrinsic alignments of disks and elliptical galaxies in the MassiveBlack-II (MBII) and Illustris cosmological hydrodynamic simulations, with volumes of ($100h^{-1}$Mpc)$^{3}$ and ($75h^{-1}$Mpc)$^{3}$ respectively. We find that simulated disk galaxies are more oblate in shape and more misaligned with the shape of their host dark matter subhalo when compared with ellipticals. The disk major axis is found to be oriented towards the location of nearby elliptical galaxies… CONTINUE READING

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