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| Paper: |
Determining the Structure of M31's Giant Tidal Stream |
| Volume: |
327, Satellites and Tidal Streams |
| Page: |
280 |
| Authors: |
McConnachie, A.; Irwin, M.; Ibata, R.; Ferguson, A.; Lewis, G.; Tanvir, N. |
| Abstract: |
The spatial structure of the stellar stream in M31 is derived by analyzing photometry obtained in this region by the CFHT12K mosaic camera. We find that it is a giant structure over 100 kpc in extent, and that it is inclined at some 60° to our line of sight. The stream will thus be ideal as a tracer of the potential of M31 over a large galactocentric distance. We also find that it presents a sharp edge in star counts on its northern edge, which suggests that it has remained a fairly coherent structure. |
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