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Disk dwarf galaxy as the progenitor of the Andromeda giant stream

  • Takanobu Kirihara (a1), Yohei Miki (a2), Masao Mori (a1) (a2) and Toshihiro Kawaguchi (a3)

Abstract

We present a study of the morphology of a progenitor galaxy that has been disrupted and formed a giant southern stellar stream in the halo of Andromeda galaxy(M31). N-body simulations of a minor merger of M31 with a dwarf galaxy suggest that the progenitor's rotation plays an important role in the formation of an asymmetric surface brightness distribution of the stream.

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References

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Keywords

Disk dwarf galaxy as the progenitor of the Andromeda giant stream

  • Takanobu Kirihara (a1), Yohei Miki (a2), Masao Mori (a1) (a2) and Toshihiro Kawaguchi (a3)

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