List of acronyms

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  • ACMSAttitude Control & Measurement Subsystem (AOCS) : Attitude Control & Measurement Subsystem (AOCS)
  • ADCanalog to digital converter : Analogue-to-digital converter
  • AHFAttitude History File : Attitude History File
  • APIDApplication Program Identifier : Application Program Identifier
  • APPLAugmented Preprogrammed Pointing List : Augmented Preprogrammed Pointing List
  • ASW : (LFI(Planck) Low Frequency Instrument REBALFI Radiometer Electronics Box Assembly) Application SoftWare
  • BEMLFI warm electronics Back End Module : (LFI(Planck) Low Frequency Instrument) warm electronics Back End Module
  • BEULFI warm electronics Back End Unit : (LFI(Planck) Low Frequency Instrument) warm electronics Back End Unit
  • BSS : Baseline Scanning Strategy
  • BTBBack To Back HFI horns : Back To Back (HFI(Planck) High Frequency Instrument horns)
  • CDMSCommand and Data Management System : Command and Data Management System
  • CDMUCommand and Data Management Unit : Command and Data Management Unit
  • CMBCosmic Microwave background : Cosmic microwave background
  • CoPCommissioning Phase : Commissioning Phase
  • CPVCalibration and Performance Verification : Calibration and Performance Verification
  • CSLCentre Spatial de Liège : Centre Spatial de Liège
  • CTRCentral Time Reference : Central Time Reference
  • CUCCCSDS Unsegmented Time Code : CCSDS Unsegmented Time Code
  • DAELFI Data Acquisition Electronics : (LFI(Planck) Low Frequency Instrument) Data Acquisition Electronics
  • DCEDilution Cooler Electronics : Dilution Cooler Electronics
  • DDSMOC's Data Distribution System : MOC[ESA's] Mission Operation Center [Darmstadt, Germany]'s Data Distribution System
  • DMCData Management Component, the databases used at the HFI and LFI DPCs : Data Management Component, the databases used at the HFI(Planck) High Frequency Instrument and LFI(Planck) Low Frequency Instrument DPCs
  • DPCData Processing Center : Data Processing Centre
  • DPUData Processing Unit : Data Processing Unit
  • DQRDaily Quality Report : Daily Quality Report
  • DTCPDaily Tele-Communication Period : Daily Tele-Communication Period
  • EOLEnd Of Life : End Of Life
  • ERCSCEarly Release Compact Source Catalog : Early Release Compact Source Catalogue
  • ESAEuropean Space Agency : European Space Agency
  • ES : Explanatory Supplement
  • ESOCEuropean Space Operations Centre (Darmstadt) : European Space Operations Centre (Darmstadt)
  • ESTECEuropean Space TEchnology and Research Centre : European Space TEchnology and Research Centre
  • FEMLFI cryogenic amplifying stage Front End Module : (LFI(Planck) Low Frequency Instrument) cryogenic amplifying stage Front End Module
  • FEULFI cryogenic amplifying stage Front End Unit : (LFI(Planck) Low Frequency Instrument) cryogenic amplifying stage Front End Unit
  • FHFeed Horn : Feed Horn
  • FITSFlexible Image Transfer Specification : Flexible Image Transfer Specification
  • FLS  : (Planck) First Light Survey
  • FOGFiber Optic Gyroscope : Fibre-Optic Gyroscope
  • FOVField-Of-View : Field-Of-View
  • FPUFocal Plane Unit : Focal Plane Unit
  • FWHMFull-Width-at-Half-Maximum  : Full-Width-at-Half-Maximum
  • HCMAngular momentum Control Mode : Angular momentum Control Mode
  • HEMTHigh Electron Mobility Transistor : High Electron Mobility Transistor
  • HFI(Planck) High Frequency Instrument : (Planck) High Frequency Instrument
  • HKHouse Keeping : House Keeping
  • HPFTSHerschel/Planck File Transfer System : Herschel/Planck File Transfer System
  • HPMCSHerschel/Planck Mission Control System : Herschel/Planck Mission Control System
  • HSKHouse-Keeping data : House-Keeping data
  • ICDInterface Control Document : Interface Control Document
  • ILSInstrument Line Shape : Instrument Line Shape
  • IMO : Instrument MOdel
  • IOTInstrument Operation Team : Instrument Operations Team
  • JFETJunction Field Elect Transistor : Junction Field Elect Transistor
  • J-T : Joule-Thomson (cooler)
  • LEOPLaunch & Early Orbit Phase : Launch & Early Orbit Phase
  • LFERlow frequency excess response : Low Frequency Excess Response
  • LFI(Planck) Low Frequency Instrument : (Planck) Low Frequency Instrument
  • LNA : Low Noise Amplifier
  • LOBTLocal On Board Time : Local On Board Time
  • LOSLine Of Sight : Line Of Sight
  • MDT : Minimum Dwell Time
  • MIBs : Mission Information Bases
  • mission [HFI(Planck) High Frequency Instrument meaning]
  • MMIC : Monolithic Microwave Integrated Circuit
  • MOC[ESA's] Mission Operation Center [Darmstadt, Germany] : [ESAEuropean Space Agency's] Mission Operation Centre [Darmstadt, Germany]
  • MPD : Maximum Path Difference
  • NEPNoise Equivalent Power  : Noise Equivalent Power
  • NETNoise Equivalent Temperature  : Noise Equivalent Temperature
  • NTD  : Neutron Transmutation Doped
  • OBTOn-Board Time : On-Board Time
  • OCM  : Orbit Control Mode
  • ODOperation Day definition is geometric visibility driven as it runs from the start of a DTCP (satellite Acquisition Of Signal) to the start of the next DTCP. Given the different ground stations and spacecraft will takes which station for how long, the OD duration varies but it is basically once a day. : Operational Day
  • OMTLFI Ortho Module Transducer : (LFI(Planck) Low Frequency Instrument) OrthoMode Transducer
  • OPD : Optical Path Difference
  • P/LPayload : Payload
  • PAUPre_Amplification Unit : Pre-Amplification Unit
  • PBR : Phase-binned ring
  • PCCS : Planck Catalogue of Compact Sources
  • PIPrincipal Investigator : Principal Investigator
  • PIAPlanck Internal Archive : Planck Internal Archive
  • PID : Proportional-Integral-Derivative (controller)
  • PLAPlanck Legacy Archive : Planck Legacy Archive
  • PLMPayload Module : Payload Module
  • POPhysical Optics : Physical Optics
  • POIPhase-Ordered Information (DMC group/object) : Phase-Ordered Information (DMCData Management Component, the databases used at the HFI and LFI DPCs group/object)
  • PPLPre-programmed Pointing List : Pre-programmed Pointing List
  • PPLMPlanck Payload Module : Planck Payload Module
  • PREF : Pointing Reference
  • PSB : Polarization-Sensitive Bolometer
  • PSMPlanck Sky Model : Planck Sky Model
  • PSOPlanck Science Office : Planck Science Office
  • PTDPhysical Theory of Diffraction : Physical Theory of Diffraction
  • PUSPacket Utilisation Standard : Packet Utilization Standard
  • RAALFI Radiometer Array Assembly : (LFI(Planck) Low Frequency Instrument) Radiometer Array Assembly
  • RAFRaw Attitude history File : Raw Attitude history File
  • RCALFI Radiometer Chain Assembly : (LFI(Planck) Low Frequency Instrument) Radiometer Chain Assembly
  • REBALFI Radiometer Electronics Box Assembly : (LFI(Planck) Low Frequency Instrument) Radiometer Electronics Box Assembly
  • REUReadout Electronic Unit : Readout Electronics Unit
  • RFQMRadio Frequency Qualification Model : Radio Frequency Qualification Model
  • RIMOreduced IMO : Reduced IMO
  • ROIRing-Ordered Information (DMC group/object) : Ring-Ordered Information (DMCData Management Component, the databases used at the HFI and LFI DPCs group/object)
  • rpmrevolutions per minute : Revolutions per minute
  • RSSDResearch Space Science Division of ESA [ESTEC, Netherlands] : Research Space Science Division of ESAEuropean Space Agency [ESTECEuropean Space TEchnology and Research Centre, Netherlands]
  • RTSrandom telegraphic signal : Random telegraphic signal
  • S/CSpacecraft : Spacecraft
  • SAASolar Aspect Angle : Solar Aspect Angle
  • sample [HFI(Planck) High Frequency Instrument meaning]
  • SCCSorption Cooler Compressor assembly : Sorption Cooler Compressor assembly
  • SCSSorption Cooler Subsystem (Planck) : Sorption Cooler Subsystem (Planck)
  • SEVSun Earth Vector : Sun Earth Vector
  • SGRSmall Gap Recovery : Small Gap Recovery
  • SGSScience Ground Segment : Science Ground Segment
  • SIAMSpacecraft Instrument Alignment Matrix : Spacecraft Instrument Alignment Matrix
  • SLTSystem Level Test : System Level Test
  • SOVTSystem Operation and Validation Test : System Operation and Validation Test
  • SPPTSurvey Performance and Planning Tool : Survey Performance and Planning Tool
  • SPUSignal Processing Unit : Signal Processing Unit
  • SREMSpace Radiation Environment Monitor : Space Radiation Environment Monitor
  • SRPSolar Radiation Pressure : Solar Radiation Pressure
  • SSCESun-SpaceCraft-Earth angle max= 15° : Sun-SpaceCraft-Earth angle max= 15°
  • SSOSolar System Object : Solar System Object
  • STRStar TRacker : Star TRacker
  • SVMService Module : Service Module
  • SWB : Spider-Web Bolometer
  • SZSunyaev-Zel'dovich : Sunyaev-Zeldovich
  • TBCTo be confirmed : To be confirmed
  • TBDTo be defined / determined : To be defined / determined
  • TCTele-Command : Tele-Command
  • THFTelecommand History File : Telecommand History File
  • TOD [HFI(Planck) High Frequency Instrument meaning]: Time-Ordered Data
  • TOD [LFI(Planck) Low Frequency Instrument meaning]: Time-Ordered Data, refers to calibrated data
  • TOI [HFI(Planck) High Frequency Instrument meaning]: Time Ordered Information
  • TOI [LFI(Planck) Low Frequency Instrument meaning]: Time Ordered Information, refers to uncalibrated data
  • ToSTime of Sample : Time of Sample
  • TSAhermal Stabilization Assembly : Thermal Stabilization Assembly
  • UTCUniversal Time Coordinate(d) : Universal Time Coordinate(d)
  • UCCC : Unit Conversion and Colour Correction
  • warm unitsJFET, Bellow, PAU et REUJFET, Bellow, PAU et REU : JFETJunction Field Elect Transistor, Bellow, PAUPre_Amplification Unit and REUReadout Electronic Unit
  • WGLFI Waveguide : (LFI(Planck) Low Frequency Instrument) Waveguide
  • WHRWeekly Health Report : Weekly Health Report
  • ZPD : Zero Oprical Path Difference