Side by side, Price-Whelan (Princeton) and I worked through and discussed code inconsistencies between my code and his code to compute the likelihood function for my chemical-tangents (working title) project, that uses chemical invariants to find dynamical invariants. It was a frustrating discussion, because we couldn't figure out either the issues or how to test. That's our project for tomorrow!
Bonaca (Harvard) reported in: She can show that the gaps and associated loops we find in the GD-1 stream cannot be caused by interaction with a molecular cloud on a disk orbit! That means that the only explanation remaining is dark-matter substructure. Awesome! I'm stoked!
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