The major merger origin of the Andromeda II kinematics

  title={The major merger origin of the Andromeda II kinematics},
  author={Ivana Ebrov'a and Ewa L. Lokas and Sylvain Fouquet and Andr'es del Pino},
  journal={arXiv: Astrophysics of Galaxies},
  • Ivana Ebrov'a, Ewa L. Lokas, +1 author Andr'es del Pino
  • Published 2018
  • Physics, Geology
  • arXiv: Astrophysics of Galaxies
  • Prolate rotation (i.e. rotation around the long axis) has been reported for two Local Group dwarf galaxies: Andromeda II, a dwarf spheroidal satellite of M31, and Phoenix, a transition type dwarf galaxy. The prolate rotation may be an exceptional indicator of a past major merger between dwarf galaxies. We showed that this type of rotation cannot be obtained in the tidal stirring scenario, in which the satellite is transformed from disky to spheroidal by tidal forces of the host galaxy. However… CONTINUE READING

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