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Cool-down to operational temperatures

Cool-down to operational temperatures


Date: 03 July 2009
Satellite: Planck
Depicts: Temperature evolution of spacecraft and payload
Copyright: ESA and HFI Consortium

Plot of the temperature versus time for the three coolers of the Planck active cooling system (20K, 4K and 0.1K), during the cool-down to operational temperatures in the first seven weeks after launch of the Planck spacecraft on 14 May 2009. The temperature of the coldest of three V-grooves, which together provide passive cooling to ~50K, is also indicated.
Last Update: 1 September 2019
23-Feb-2020 21:27 UT

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