4. Instrumental Characteristics

• 4.1 Overview
• 4.2 Detector Properties
  • 4.2.1 Detector responsivity
  • 4.2.2 Signal non-linearities
  • 4.2.3 Transient behaviour after flux change
  • 4.2.4 Drift behaviour of responsivity
  • 4.2.5 Curing procedures
  • 4.2.6 Dark signal and noise
  • 4.2.7 Detector flat-fields
  • 4.2.8 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 Ionising 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 due to diffuse galactic emission
  • 4.9.2 Confusion by galaxies
  • 4.9.3 Zodiacal light
• 4.10 Global Instrument Data