Abstract
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) was developed by the Japanese Ministry of Economy, Trade and Industry (METI) for installation in the NASA EOS Terra spacecraft. The ASTER instrument consists of a visible and near-infrared radiometer (VNIR), a short-wave infrared radiometer (SWIR) and a thermal infrared radiometer (TIR). Two cryocoolers are required to cool the infrared detectors for the SWIR and the TIR subsystems.
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