Glossary

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This page gives definition of some words commonly used in this Explanatory Supplement.

  • HFI detector set (aka detset aka quad) : a detector set is a combinaison of two pairs of Polarization Sensitive Bolometers pairs at the proper orientations. The lists of detsets is given in http://www.sciops.esa.int/wikiSI/planckpla/index.php?title=Frequency_Maps&instance=Planck_PLA_ES
  • HFI effective beam : the effective beam at the map level is the overall angular response to the sky in a map pixel, which results from the combined effect of the instrumental response, the scanning strategy and the data processing.
  • HFI focal plane geometry
  • HFI HPR
  • HFI IMO/RIMO
  • HFI mission
  • HFI optical beam
  • HFI PBR
  • HFI polarization leakage
  • HFI ring
  • HFI sample
  • HFI scanning beam : the scanning is defined as the beam measured from the response to a point source of the full optical and electronic system, after the filtering.
  • HFI survey

(Planck) High Frequency Instrument

reduced IMO