model of everything

This morning was the usual parallel-working session at NYU. We discussed various things: Boris Leistedt (NYU) has a draft of a paper that models galaxy photometric data in large-scale structure surveys with a model that includes galaxy types, flexible SEDs for every type, and filter bandpasses, calibration issues or offsets, and luminosity distributions as a function of redshift. That is: A model of everything! Well not quite, but close. This could permit the dream of maximizing information extraction from photometric cosmology surveys, or surveys with mixed photometric and spectroscopic targets. The cool thing is that when the model is causally structured like his, you don't need a representative training set for your photometric redshift estimation.

At the same meeting, Elisabeth Andersson (NYU) showed us a matched filter run over some Kepler data to find a (known) exoplanet, and we discussed how to generalize this to find any other planets that are in a resonant orbit with any of the known planets. Her current plan is to fold and filter, at resonant periods.

Late in the day, Kelle Cruz (CUNY) gave a talk at Flatiron about how to make astronomy better, from an inclusion perspective. Lots of good ideas there; hopefully we can implement them at Flatiron and NYU.

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