Tidal Interaction of M32 and NGC 205 with M31: Surface Photometry and Numerical Simulations*

@article{Choi2002TidalIO,
  title={Tidal Interaction of M32 and NGC 205 with M31: Surface Photometry and Numerical Simulations*},
  author={P. I. Choi and P. Guhathakurta and K. Johnston},
  journal={The Astronomical Journal},
  year={2002},
  volume={124},
  pages={310-331}
}
  • P. I. Choi, P. Guhathakurta, K. Johnston
  • Published 2002
  • Physics
  • The Astronomical Journal
  • We investigate the interaction history of the M31 subgroup by comparing surface photometry of two of its satellites, M32 and NGC 205, with N-body simulations of satellite destruction. The recent discovery of a giant stream in the outer halo of M31, apparently pointed in the direction of M32 and NGC 205, makes such an investigation particularly relevant. The observational component of this study is based on 17 × 5° B- and I-band CCD mosaic images centered on M31 and covering both satellites… CONTINUE READING
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