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Planck pre-launch status: calibration of the Low Frequency Instrument flight model radiometers
F. Villa, L. Terenzi, M. Sandri +71
The Low Frequency Instrument (LFI) on-board the ESA Planck satellite carries eleven radiometer subsystems, called Radiometer Chain Assemblies (RCAs), each composed of a pair of pse…
A systematic approach to the Planck LFI end-to-end test and its application to the DPC Level 1 pipeline
M. Frailis, M. Maris, A. Zacchei +23
The Level 1 of the Planck LFI Data Processing Centre (DPC) is devoted to the handling of the scientific and housekeeping telemetry. It is a critical component of the Planck ground…
LFI Radiometric Chain Assembly (RCA) data handling "Rachel"
M. Malaspina, E. Franceschi, P. Battaglia +26
This paper is part of the Prelaunch status LFI papers published on JINST (http://www.iop.org/EJ/journal/-page=extra.proc5/1748-0221). Planck's Low Frequency Instrument is an array…
Planck-LFI: Design and Performance of the 4 Kelvin Reference Load Unit
Luca Valenziano, Francesco Cuttaia, Adriano De Rosa +35
The LFI radiometers use a pseudo-correlation design where the signal from the sky is continuously compared with a stable reference signal, provided by a cryogenic reference load sy…
Optimization of Planck/LFI on--board data handling
M. Maris, M. Tomasi, S. Galeotta +34
To asses stability against 1/f noise, the Low Frequency Instrument (LFI) onboard the Planck mission will acquire data at a rate much higher than the data rate allowed by its teleme…
Level 1 on-ground telemetry handling in Planck LFI
A. Zacchei, M. Frailis, M. Maris +31
The Planck Low Frequency Instrument (LFI) will observe the Cosmic Microwave Background (CMB) by covering the frequency range 30-70 GHz in three bands. The primary instrument data s…
Thermal susceptibility of the Planck-LFI receivers
L Terenzi, M J Salmon, A Colin +33
This paper is part of the Prelaunch status LFI papers published on JINST: http://www.iop.org/EJ/journal/-page=extra.proc5/jinst . This paper describes the impact of the Planck Low…
Dynamic validation of the Planck/LFI thermal model
M. Tomasi, B. Cappellini, A. Gregorio +12
The Low Frequency Instrument (LFI) is an array of cryogenically cooled radiometers on board the Planck satellite, designed to measure the temperature and polarization anisotropies…
Off-line radiometric analysis of Planck/LFI data
M. Tomasi, A. Mennella, S. Galeotta +35
The Planck Low Frequency Instrument (LFI) is an array of 22 pseudo-correlation radiometers on-board the Planck satellite to measure temperature and polarization anisotropies in the…
Cryogenic characterization of the Planck sorption cooler system flight model
G. Morgante, D. Pearson, F. Melot +9
This paper is part of the Prelaunch status LFI papers published on JINST: http://www.iop.org/EJ/journal/-page=extra.proc5/1748-0221 Two continuous closed-cycle hydrogen Joule-Thoms…
Planck pre-launch status: Design and description of the Low Frequency Instrument
M. Bersanelli, N. Mandolesi, R. C. Butler +109
In this paper we present the Low Frequency Instrument (LFI), designed and developed as part of the Planck space mission, the ESA program dedicated to precision imaging of the cosmi…