Price-Whelan returned to NYU for a day (from distant Columbia, where he is now a grad student) to discuss methodologies for some of the projects he is thinking about with Palomar Transient Factory imaging data. There are lots of things possible; like most big projects, PTF creates more possible projects than there are collaborators to do them; this is why astrophysics is a great field! I argued that he should use the things we have been thinking about with respect to image combination and source detection to detect—and then analyze—the sources below the single-exposure detection limit. Any project PTF has done at high signal-to-noise can be done for far more sources additionally if you are willing to work at lower signal-to-noise (and at image level rather than catalog level).
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