The scariest thing about Hallowe'en this year was how little research I got done! Maryam Modjaz (NYU) gave a nice blackboard talk at lunch about the supernova zoo, and the hopes we have for indirect determination of stellar and binary progenitors. For prompt supernovae, local gas-phase metallicity could be extremely informative; however, you often have to wait years to get a good spectrum. In the afternoon I had a short conversation with NYU undergraduate Gregory Lemberskiy, who is looking at some issues in image model initialization and optimization.
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