VISTA IR Camera Temperature Sensors and Controllers =================================================== Sensor Location Units ------ -------- ----- 1 Cryostat window cell (C) 2 Ambient air temperature (C) 3 Baffle 7 (K) 4 Lens Barrel (K) 5 Liquid Nitrogen Tank (K) 6 Cold head 1 1st stage (K) 7 Cold head 1 2nd stage (K) 8 Cold head 2 1st stage (K) 9 Cold head 2 2nd stage (K) 10 Cold head 3 1st stage (K) 11 Cold head 3 2nd stage (K) 12 Cryopump 1 (K) 13 Cryopump 2 (K) 14 WFS plate (K) 15 WFS CCD 1 (K) 16 WFS CCD 2 (K) 17 WFS CCD 3 (K) 18 WFS CCD 4 (K) 19 Filter wheel shield (K) 20 Filter wheel hub (K) 21 Science detector 1 (K) 22 Science detector 2 (K) 23 Science detector 3 (K) 24 Science detector 4 (K) 25 Science detector 5 (K) 26 Science detector 6 (K) 27 Science detector 7 (K) 28 Science detector 8 (K) 29 FPA thermal plate (actual) (K) 30 Cryostat tube outside (actual) (C) Ctrlr Location ----- -------- 1 FPA thermal plate (target) (K) 2 Cryostat tube outside (target) (C)