2007-03-29

Sagittarius stream

Zolotov and I visited Kathryn Johnston (Columbia) this afternoon to talk Sagittarius stream. Johnston convinced us that what we have (in the public SDSS spectroscopy) may be interesting and constraining on models. We also discussed with Sanjib Sharma (Columbia) some of his very novel methods for finding substructure in N-dimensional data sets, using information-based metrics.

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