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4 Instrumental Characteristics  

• 4.1 Overview
• 4.2 Detector Properties
  • 4.2.1 Detector Responsivity/Linearity
  • 4.2.2 Transient behaviour after flux change
  • 4.2.3 Drift behaviour of responsivity
  • 4.2.4 Curing Procedures
  • 4.2.5 Dark Signal and Noise
  • 4.2.6 Detector flat-fields
  • 4.2.7 Detector Saturation
• 4.3 Features due to electronics
  • 4.3.1 Anomalous first readouts on a ramp
  • 4.3.2 CRE (ramp) linearity
  • 4.3.3 Signal dependence on reset interval
  • 4.3.4 Detector bias: de-biasing effects
  • 4.3.5 Readout Saturation
  • 4.3.6 Disturbances by Chopper Commanding
  • 4.3.7 CRE latch-up
• 4.4 Effects of Ionizing Radiation
• 4.5 Optical Performance
  • 4.5.1 Instrumental Footprint on the Sky
  • 4.5.2 Point source intensity fractions
  • 4.5.3 Chopper vignetting/offset
  • 4.5.4 Inhomogeneous FCS illumination
• 4.6 Spectral performance
  • 4.6.1 PHT-S instrumental line profile
  • 4.6.2 PHT-S wavelength calibration
• 4.7 Straylight
  • 4.7.1 Straylight during FCS calibrations
  • 4.7.2 Instrumental Straylight
  • 4.7.3 Spectral Straylight
• 4.8 Instrumental Polarisation
• 4.9 Backgrounds
  • 4.9.1 Confusion
  • 4.9.2 Zodiacal Light
• 4.10 Global Instrument Data