CEA DSM IRFU SAp PACS Commissioning phase, Pointing Verification and Performance Verification Phase Planning Review (CPPhot) Koryo Okumura / Marc Sauvage CEA/DSM/IRFU/SAp
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review2 Cooler Recycling 1 (CPPhotCooler and PVPhotCooler) Time driven procedure Now two extra wait time can be added: –int extra_cool_time = 0; // in second before disconnecting the evaporator from 2K –int extra_stab_time = 0; // in second after the end of the recycling procedure Duration without extra time is 8532 seconds = 2h23m
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review3 Cooler Recycling 2 (CPPhotCooler and PVPhotCooler)
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review4 Photometer orbit prologue (CPPhotSetup and PVPhotSetup) Bolometer bias setting : –default table is BOLObias_ILT_standard_low Internal calibration source (CSs) is switched on and set : –default values of CS1=48 and CS2=58 Ohm Wait for the stabilisation of the CSs –default 2100 seconds = 35 minutes Total duration : 2272s = 38 minutes
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review5 Photometer orbit epilogue (CPPhotSetup and PVPhotSetup) Common to photometer and spectrometer OBCP_SAFE is executed Duration : 13 seconds
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review6 OBCP_chopped_photometry (CPPhotBol) PCD-req Small calibration block Filter 100um and 70um Chopper plateau length 40 readouts by default Duration : 134 seconds
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review7 VRL and VH_BLIND exploration (CPPhotBol and PVPhotBol) PCD-req values of Vrl –[2.4, 2.2, 2.0, 1.8] V 9 values of VhBlind –[0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8] V Duration : 5186s = 1h27m
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review8 Low gain measurements on CSs 1 (CPPhotBol) PCD-req Low gain Filter 100um –CS1 8 blue biases [1.6, 1.8, 2.0, 2.2, 2.4, 2.6, 2.8, 3.0] V 8 red biases [1.2, 1.4, 1.6, 1.8, 2.0, 2.2, 2.4, 2.6] V –CS2 8 blue biases [1.6, 1.8, 2.0, 2.2, 2.4, 2.6, 2.8, 3.0] V 8 red biases [1.2, 1.4, 1.6, 1.8, 2.0, 2.2, 2.4, 2.6] V Filter 70um –CS1 8 blue biases [1.6, 1.8, 2.0, 2.2, 2.4, 2.6, 2.8, 3.0] V 8 red biases [1.2, 1.4, 1.6, 1.8, 2.0, 2.2, 2.4, 2.6] V –CS2 8 blue biases [1.6, 1.8, 2.0, 2.2, 2.4, 2.6, 2.8, 3.0] V 8 red biases [1.2, 1.4, 1.6, 1.8, 2.0, 2.2, 2.4, 2.6] V Duration : seconds = 3h23m
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review9 Low gain measurements on CSs 2 (CPPhotBol) parameters: –int measure_time = 300; // measure time in seconds –string startBiasTable = "BOLObias_ILT_lowCSs"; // Bias table containing the initial values –string endBiasTable = "BOLObias_ILT_lowCSs"; // Bias table containing the final values –double ra = ; // RA : 17h49m10.0s –double dec = ; // DEC : 69d48m26.0
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review10 First Telescope Background 1 (CPPhotBol) PCD-req filter 100um –vhblind downward –vhblind upward filter 70um –vhblind downward –vhblind upward Maybe another value of VL is necessary Duration : 3054s = 51mimutes
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review11 First Telescope Background 2 (CPPhotBol) Parameters: –double[] vhbs = [2.4,2.25,2.1,1.95,1.8]; // VH_BLIND values to explore –int measure_time = 60; // measure time in seconds –string startBiasTable = "BOLObias_firstTelescBack"; // Bias table containing the initial values –string endBiasTable = "BOLObias_ILT_standard_low"; // Bias table containing the final values –double ra = ; // RA : 17h49m10.0s –double dec = ; // DEC : 69d48m26.0 –int nLoops1 = 30; // number of CSs cycles during slew –int nLoops2 = 30; // number of CSs cycles during initial hold –int nLoops5 = 30; // number of CSs cycles during final hold
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review12 Low gain measurements on telescope 1 (CPPhotBol) PCD-req chopper at the optical center filter 100um –12 blue biases [1.25, 1.6, 1.8, 2.0, 2.2, 2.4, 2.5, 2.6, 2.7, 2.8, 3.0, 3.3] V –12 red biases [1.0, 1.2, 1.4, 1.6, 1.7, 1.8, 1.9, 2.0, 2.1, 2.2, 2.4, 2.6] V filter 70um –12 blue biases [1.25, 1.6, 1.8, 2.0, 2.2, 2.4, 2.5, 2.6, 2.7, 2.8, 3.0, 3.3] V –12 red biases [1.0, 1.2, 1.4, 1.6, 1.7, 1.8, 1.9, 2.0, 2.1, 2.2, 2.4, 2.6] V Duration : 9865s = 2h45m
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review13 Low gain measurements on telescope 2 (CPPhotBol) parameters: –int measure_time = 300; // measure time in seconds –string startBiasTable = "BOLObias_ILT_standard_low"; // Bias table containing the initial values –string endBiasTable = "BOLObias_ILT_standard_low"; // Bias table containing the final values –double ra = ; // RA : 17h49m10.0s –double dec = ; // DEC : 69d48m26.0 –int nLoops1 = 30; // number of CSs cycles during slew –int nLoops2 = 30; // number of CSs cycles during initial hold –int nLoops5 = 30; // number of CSs cycles during final hold
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review14 Glitch statistics measurements (CPPhotBol) Burst mode and buffer transmission mode CUS script exists but is still missing in CPPhotBol database
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review15 Field of view measurement (CPPhotBol) PCD-req Filter 100um Chopper forward and backward scan Filter 70um Chopper forward and backward scan Duration : 1381seconds = 24 minutes
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review16 Scan AOT test (CPPhotBol) PCD-req Before pointing offset determination Source : M51 or M87 Scan –Medium scan speed –Leg lenfth : 40 arcmin –Number of legs : 15 –Cross scan step : 150 arcsec Duration : 2537 seconds = 43 minutes
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review17 Point source AOT test (CPPhotBol) Before pointing offset determination Source : M87 With and without dither Duration : 2 x 816 seconds = 28 minutes
CEA DSM IRFU SAp /22- Koryo OKUMURA - PACS CoP, Pointing Verification and PVP Planning Review18 SIAM test (CPPhotBol) Before pointing offset determination Source : MNL-Cyg Scan –Medium scan speed –Leg lenfth : 40 arcmin –Number of legs : 15 –Cross scan step : 150 arcsec Duration : 2537 seconds = 43 minutes