On my way to the Netherlands, and in preparation for chatting with the Leiden Gaia group, I brushed off and got working again my toy Gaia mission, in which a zero-dimensional spacecraft surveys a one-dimensional sky. The spacecraft is battered by angular-momentum-changing collisions and scans the one-d sky clockwise and counter-clockwise. The toy is designed to test ideas about fitting charge-transfer inefficiency models and spacecraft attitude models. Still not sure why I am doing either of those things; I suppose it relates at least slightly to my GALEX photon projects with Schiminovich.
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