SPI energy calibration
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🌌 astro-ph
keywords
calibrationenergycalibrationsdemonstrateddetectordeterminefirstfrequency
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The status of the SPI energy calibration after the first year of INTEGRAL operations is reported. We have studied the gain variations and we have demonstrated that the most important parameter is the germanium detector temperature. This study permits us to determine the limits of our calibration method and the frequency of calibrations needed.
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