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8.4 Where to Find the Calibration Parameters

Table 8.1 gives in alphabetical order the calibration files where the observer can find the calibration parameters that are used in the data processing. The instrumental calibration parameters are used in the Derive-SPD process and the astronomical calibration parameters are used in the Auto-Analysis process. The table also give the reference to the table that describes the calibration file in this document. The descriptions of these calibration files are given in Section 7.3.1 and Section 7.3.2.


Table 8.1: List of instrumental and astronomical calibration parameters used respectively in Derive-SPD and in Auto-Analysis.
Type Parameter File Table or Section
Instrumental Analogue amplification gains LCGA Section 7.3.1.4
  Detector amplifier (JF4) capacitances LCJF Table 7.36
  Detector amplifier (JF4) gains LCJF Table 7.36
  Detector readout to voltage conversion LCVC Section 7.3.1.3
  First level deglitching parameters LCD1 Table 7.38
  Maximum voltages on the detectors LCDB Table 7.37
  Readout limits of the electronics LCAL Table 7.35
  Time periods to be ignored after a reset LCDT Table 7.34
Astronomical FP wavelength calibration coefficients LCFW Table 7.46
  Grating relative response curves LCGR Table 7.44
  Grating spectral bandwidth correction LCGB Table 7.47
  Grating wavelength calibration table LCGW Table 7.42
  Standard illuminator photo currents LCIR Table 7.41
  Fixed dark current values LCDK Section 7.3.2.7
  Fabry-Pérot throughput correction LCTP Section 7.3.2.8


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ISO Handbook Volume III (LWS), Version 2.1, SAI/1999-057/Dc