Calibration Access and Data Handbook

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The PN quantum efficiency file has the same format as the MOS files. The only difference is in the CCD extensions where there are only two pattern dependent columns: QE_0 giving the QE in single-pixel events as a function of energy and QE_1 which gives the QE in double-pixel events. The latter is the sum of the QE in patterns 1-4.

Michael Smith 2011-09-20