Fired up by yesterday's discussion of Kepler photometry, Foreman-Mackey forced me to pair-code some PSF (pixel-convolved, of course) inference and photometry for the Kepler pixel-level data. The idea is to make a slightly more flexible model for the PSF than what the Kepler team has created, permit variation in stellar centroid (from exposure to exposure) and detector sensitivity (from pixel to pixel) and see if that—plus some super-fast optimization with ceres—can crush this. Yes, yet another distraction from the distractions that are distracting us from the research that is stopping us from writing papers. Also, yet another project that is turning into The Tractor. Soon all my projects will be clean-rooms of that one project.
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