TopHat is the name for our experiment that produces a map of the South Celestial Pole (from Antarctica). The telescope for this experiment is on top of a high-altitude balloon. The shape of the conical light shield and the foam stabilizer resembles a tophat.
MSAM
is Medium-Scale Anisotropy Measurement, a series
of experiments designed to characterize the variations in the Cosmic Microwave
Background Radiation at approximately 0.5 degree angular scales.
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