An update on the TopHat experiment

摘要

The TopHat Long Duration Balloon (LDB) experiment, which launched on January 4, 2001, mapped 6% of the sky in a region centered about the South Celestial Pole. The five spectral bands of the instrument span from 150 to 660 GHz and are sensitive to CMBR anisotropy and thermal galactic dust emission. Analysis is in progress. The parameters of the experiment, the observing scheme, and some preliminary results are discussed.