List of acronyms

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

  • ACMS : Attitude Control & Measurement Subsystem (AOCS)
  • AHF : Attitude History File
  • APID : Application Program Identifier
  • APPL  : Augmented Preprogrammed Pointing List
  • BEM : LFI warm electronics Back End Module
  • CDMS : Command and Data Management System
  • CDMU : Command and Data Management Unit
  • CMB : Cosmic Microwave background
  • CoP : Commissioning Phase
  • CTR : Central Time Reference
  • CUC : CCSDS Unsegmented Time Code
  • DCE : Dilution Cooler Electronics
  • DDS : MOC's Data Distribution System
  • DMC : Data Management Component, the databases used at the HFI and LFI DPCs
  • DPC : Data Processing Center
  • DPU : Data Processing Unit
  • DQR  : Daily Quality Report
  • DTCP : Daily Tele-Communication Period
  • EOL : End Of Life
  • ERCSC : Early Release Compact Source Catalog
  • ESA : European Space Agency
  • ESOC : European Space Operations Centre (Darmstadt)
  • ESTEC : European Space TEchnology and Research Centre
  • FEM : LFI cryogenic amplifying stage Front End Module
  • FITS  : Flexible Image Transfer Specification
  • focal plane geometry [HFI meaning]
  • FOG : Fiber Optic Gyroscope
  • FOV : Field-Of-View
  • FPU : Focal Plane Unit
  • FWHM  : Full-Width-at-Half-Maximum
  • HCM : Angular momentum Control Mode
  • HEMT : High Electron Mobility Transistor
  • HFI : High Frequency Instrument
  • HPFTS : Herschel/Planck File Transfer System
  • HPMCS : Herschel/Planck Mission Control System
  • HSK : House-Keeping data
  • ICD : Interface Control Document
  • IOT : Instrument Operation Team
  • JFET : Junction Field Elect Transistor
  • LEOP : Launch & Early Orbit Phase
  • LFI : (Planck) Low Frequency Instrument
  • LOBT : Local On Board Time
  • LOS : Line Of Sight
  • mission [HFI meaning]
  • MOC : [ESA's] Mission Operation Center [Darmstadt, Germany]
  • NET  : Noise Equivalent Temperature
  • OBT  : On-Board Time
  • P/L : Payload
  • PAU : Pre_Amplification Unit
  • PI : Principal Investigator
  • PLA  : Planck Legacy Archive
  • PLM : Payload Module
  • PO : Physical Optics
  • POI : Phase-Ordered Information (DMC group/object)
  • PPL  : Pre-programmed Pointing List
  • PPLM : Planck Payload Module
  • PSM  : Planck Sky Model
  • PSO : Planck Science Office
  • PTD : Physical Theory of Diffraction
  • PUS : Packet Utilisation Standard
  • RAF : Raw Attitude history File
  • REBA : LFI Radiometer Electronics Box Assembly
  • REU : Readout Electronic Unit
  • RFQM : Radio Frequency Qualification Model
  • ROI : Ring-Ordered Information (DMC group/object)
  • rpm : revolutions per minute
  • RSSD : Research Space Science Division of ESA [ESTEC, Netherlands]
  • S/C : Spacecraft
  • SAA : Solar Aspect Angle
  • sample [HFI meaning]
  • SCS : Sorption Cooler Subsystem (Planck)
  • SEV  : Sun Earth Vector
  • SGR  : Small Gap Recovery
  • SGS  : Science Ground Segment
  • SIAM  : Spacecraft Instrument Alignment Matrix
  • SOVT  : System Operation and Validation Test
  • SPPT : Survey Performance and Planning Tool
  • SREM : Space Radiation Environment Monitor
  • SRP  : Solar Radiation Pressure
  • SSCE : Sun-SpaceCraft-Earth angle max= 15°
  • SSO : Solar System Object
  • STR  : Star TRacker
  • SVM : Service Module
  • SZ  : Sunyaev-Zel'dovich effect
  • TBC : To Be Confirmed
  • TBD : To Be Determined
  • TC : Tele-Command
  • THF : Telecommand History File
  • TOD [HFI meaning]: Time-Ordered Data
  • TOD [LFI meaning]: Time-Ordered Data, refers to calibrated data
  • TOI [HFI meaning]: Time Ordered Information
  • TOI [LFI meaning]: Time Ordered Information, refers to uncalibrated data
  • ToS : Time of Sample
  • UTC : Universal Time Coordinate(d)
  • warm units : JFET, Bellow, PAU et REU
  • WHR : Weekly Health Report

Attitude Control & Measurement Subsystem (AOCS)

Attitude History File

Application Program Identifier

Augmented Preprogrammed Pointing List

LFI warm electronics Back End Module

(Planck) Low Frequency Instrument

Command and Data Management System

Command and Data Management Unit

Cosmic Microwave background

Commissioning Phase

Central Time Reference

CCSDS Unsegmented Time Code

Dilution Cooler Electronics

MOC's Data Distribution System

[ESA's] Mission Operation Center [Darmstadt, Germany]

Data Management Component, the databases used at the HFI and LFI DPCs

(Planck) High Frequency Instrument

Data Processing Center

Data Processing Unit

Daily Quality Report

Daily Tele-Communication Period

End Of Life

Early Release Compact Source Catalog

European Space Agency

European Space Operations Centre (Darmstadt)

European Space TEchnology and Research Centre

LFI cryogenic amplifying stage Front End Module

Flexible Image Transfer Specification

Fiber Optic Gyroscope

Field-Of-View

Focal Plane Unit

Full-Width-at-Half-Maximum

Angular momentum Control Mode

High Electron Mobility Transistor

Herschel/Planck File Transfer System

Herschel/Planck Mission Control System

House-Keeping data

Interface Control Document

Instrument Operation Team

Junction Field Elect Transistor

Launch & Early Orbit Phase

Local On Board Time

Line Of Sight

Noise Equivalent Temperature

On-Board Time

Payload

Pre_Amplification Unit

Principal Investigator

Planck Legacy Archive

Payload Module

Physical Optics

Phase-Ordered Information (DMC group/object)

Pre-programmed Pointing List

Planck Payload Module

Planck Sky Model

Planck Science Office

Physical Theory of Diffraction

Packet Utilisation Standard

Raw Attitude history File

LFI Radiometer Electronics Box Assembly

Readout Electronic Unit

Radio Frequency Qualification Model

Ring-Ordered Information (DMC group/object)

revolutions per minute

Research Space Science Division of ESA [ESTEC, Netherlands]

Spacecraft

Solar Aspect Angle

Sorption Cooler Subsystem (Planck)

Sun Earth Vector

Small Gap Recovery

Science Ground Segment

Spacecraft Instrument Alignment Matrix

System Operation and Validation Test

Survey Performance and Planning Tool

Space Radiation Environment Monitor

Solar Radiation Pressure

Sun-SpaceCraft-Earth angle max= 15°

Solar System Object

Star TRacker

Service Module

Sunyaev-Zel'dovich

To be confirmed

To be defined / determined

Tele-Command

Telecommand History File

Time of Sample

Universal Time Coordinate(d)

JFET, Bellow, PAU et REU

JFET, Bellow, PAU et REU

Weekly Health Report