Thermal susceptibility of the Planck-LFI receivers

L. Terenzi, M.J. Salmon, A. Colin, A. Mennella, G. Morgante, M. Tomasi, P. Battaglia, M. Lapolla, M. Bersanelli, R.C. Butler, F. Cuttaia, O. D`Arcangelo, R. Davis, C. Franceschet, S. Galeotta, A. Gregorio, N. Hughes, P. Jukkala, D. Kettle, M. LaaninenR. Leonardi, P. Leutenegger, M. Mandolesi, M. Maris, P. Meinhold, M. Miccolis, N. Roddis, L. Sambo, M. Sandri, R. Silvestri, Jussi Tuovinen, L. Valenziano, Jussi Varis, F. Villa, A. Wilkinson, A. Zonca

    Research output: Contribution to journalArticleScientificpeer-review

    6 Citations (Scopus)


    This paper describes the impact of the Planck Low Frequency Instrument front end physical temperature fluctuations on the output signal. The origin of thermal instabilities in the instrument are discussed, and an analytical model of their propagation and impact on the receivers signal is described. The experimental test setup dedicated to evaluate these effects during the instrument ground calibration is reported together with data analysis methods. Finally, main results obtained are discussed and compared to the requirements.
    Original languageEnglish
    Article numberT12012
    JournalJournal of Instrumentation
    Publication statusPublished - 2009
    MoE publication typeA1 Journal article-refereed


    • Systematic effects
    • Space instrumentation
    • Microwave radiometers
    • Instruments for CMB observations


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