In-flight calibration and verification of the Planck-LFI instrument
In this paper we discuss the Planck-LFI in-flight calibration campaign. After a brief overview of the ground test campaigns, we describe in detail the calibration and performance verification (CPV) phase, carried out in space during and just after the cool-down of LFI. We discuss in detail the funct...
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| creator | Gregorio, Anna Cuttaia, Francesco Mennella, Aniello Bersanelli, Marco Maris, Michele Meinhold, Peter Sandri, Maura Terenzi, Luca Tomasi, Maurizio Villa, Fabrizio Frailis, Marco Morgante, Gianluca Pearson, Dave Zacchei, Andrea Battaglia, Paola Reginald Christophe Butler Davis, Richard Franceschet, Cristian Franceschi, Enrico Galeotta, Samuele Leonardi, Rodrigo Lowe, Steve Mandolesi, Nazzareno Melot, Frederick Mendes, Luis Stassi, Patrick Stringhetti, Luca Tavagnacco, Daniele Zonca, Andrea Wilkinson, Althea Wilson, Philip Charra, Maryse Maciaszek, Thierry Foley, Steve Watson, Christopher J Casale, Mauro Laureijs, René Tauber, Jan Texier, Damien Baker, Michelle Leticia Perez Cuevas Krassenburg, Mike Rihet, Patrick |
| description | In this paper we discuss the Planck-LFI in-flight calibration campaign. After a brief overview of the ground test campaigns, we describe in detail the calibration and performance verification (CPV) phase, carried out in space during and just after the cool-down of LFI. We discuss in detail the functionality verification, the tuning of the front-end and warm electronics, the preliminary performance assessment and the thermal susceptibility tests. The logic, sequence, goals and results of the in-flight tests are discussed. All the calibration activities were successfully carried out and the instrument response was comparable to the one observed on ground. For some channels the in-flight tuning activity allowed us to improve significantly the noise performance. |
| doi_str_mv | 10.48550/arxiv.1307.2029 |
| format | Article |
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| source | Freely Accessible Journals; arXiv.org |
| subjects | Calibration Flight tests Ground tests Performance assessment Physics - Instrumentation and Methods for Astrophysics Tuning |
| title | In-flight calibration and verification of the Planck-LFI instrument |
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