Difference between revisions of "Glossary"

Revision as of 14:53, 21 January 2013

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 here.
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 : at the HFI DPC level the ring is the time intervalle between two First Thurster Firings as defined in AHF description document. It thus starts with a satellite slew and thus an unstable pointing period and continue with a satellite dwell and thus stable pointing period.
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 (aka Scan #) : sky surveys are defined in terms of the direction of the satellite's spin axis. Survey periods are given here.

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 * HFI PBR
 * HFI polarization leakage
-* HFI ring : at the HFI DPC level the ring is the time intervalle between two First Thurster Firings as defined in {{ICD|AHF|link=AHF description document}}. It thus starts with a satellite slew and thus an unstable pointing period and continue with a satellite dwell and thus stable pointing period.
+* '''HFI ring''' : at the HFI DPC level the ring is the time intervalle between two First Thurster Firings as defined in {{ICD|AHF|link=AHF description document}}. It thus starts with a satellite slew and thus an unstable pointing period and continue with a satellite dwell and thus stable pointing period.
 * 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''' (aka Scan #) : sky surveys are defined in terms of the direction of the satellite's spin axis. Survey periods are given [[Frequency_Maps#Single_survey_maps | here]].