Fig. 7

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Time histories of spacecraft attitude and key thermal performance parameters obtained from spacecraft telemetry during the Euclid performance verification phase in the period from 2023-10-01 00:00:00 UTC until 2023-11-26 00:00:00 UTC. Upper panel: variations in SAA and AA. Dedicated rotations of the SAA (red line) and AA (blue line) were performed to verify the thermal response of the system. Upper middle panel: history of the cadence (in cycles per hour) of the NISP grism and filter wheel (GFW, red line) and the VIS shutter (RSU, blue line). Lower middle panel: history of the VIS radiator temperature registered by sensor THM02 (blue line), which is an indicator of the VIS instrument activity by means of its power dissipation. Lower panel: temperature responses of a baseplate sensor placed near the VIS bracket (THM05, red line) and a sensor mounted directly on the VIS FPA bracket (THM01, blue line).
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