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Figure 1:
Average (S5 spectra of all PICsIT pixels summed together) 511 keV and 1275 keV
(left and centre panels) peak position evolution along the INTEGRAL orbit during revolution 30 (1 Science Window = 2000 s), compared with the PICsIT temperature trend from one of the 32 sensors onboard (the error on the temperature is ![]() |
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Figure 2: PICsIT pixel-by-pixel gain ( left panel) and offset ( right panel) distributions obtained during PLGC tests (+) and accumulating OBCU data at constant temperature from rev. 39 to rev. 45 (*). |
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Figure 3: PICsIT pixel-by-pixel gain distributions (the color scale is in keV/channel, see Eq. (1)) obtained from in-flight calibration data ( left panel) compared with the onground values used to create the presently on-board LUTs ( central panel). The pixel-by-pixel fractional difference is also shown ( right panel). |
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Figure 4: PICsIT energy resolution vs. energy: in-flight measurement are shown together with the theoretical profiles calculated for two set of parameters measured during ground calibrations. |
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Figure 5: PICsIT energy resolution at 511 and 1275 keV measured during the Crab pointing from revolution 39 to 45. Every data point indicates one science window. |
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