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Planckearly results. III. First assessment of the Low Frequency Instrument in-flight performance

2011/01/31 by A. Mennella, M. Bersanelli, R. C. Butler +173 · 7 citations
Decision Sciences · Physics and Astronomy · #Astronomy #Astrophysics #Experimental and Theoretical Physics Studies #Physics #Planck #Scientific Measurement and Uncertainty Evaluation #Scientific Research and Discoveries #astro-ph.CO #astro-ph.IM

paper · pdf · doi:10.1051/0004-6361/201116480

published as A&A Vol 536, A3 (Dec 2011) · Published version

openalex publication_date 2011/05/13 · arxiv created 2011/12/19 · arxiv updated 2015/03/17 · openalex created_date 2020/11/23 · openalex updated_date 2026/08/06

Abstract

The scientific performance of the Planck Low Frequency Instrument (LFI) after one year of in-orbit operation is presented. We describe the main optical parameters and discuss photometric calibration, white noise sensitivity, and noise properties. A preliminary evaluation of the impact of the main systematic effects is presented. For each of the performance parameters, we outline the methods used to obtain them from the flight data and provide a comparison with pre-launch ground assessments, which are essentially confirmed in flight.

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