期刊
ASTRONOMY & ASTROPHYSICS
卷 520, 期 -, 页码 -出版社
EDP SCIENCES S A
DOI: 10.1051/0004-6361/200912849
关键词
cosmic microwave background; telescopes; space vehicles: instruments; instrumentation: detectors; instrumentation: polarimeters; submillimeter: general
资金
- Italian Space Agency (ASI)
- NASA Science Mission Directorate
- Finnish Funding Agency for Technology and Innovation (Tekes)
- ESA
- UK Space Agency [ST/H001212/1] Funding Source: researchfish
We present the calibration and scientific performance parameters of the Planck Low Frequency Instrument (LFI) measured during the ground cryogenic test campaign. These parameters characterise the instrument response and constitute our optimal pre-launch knowledge of the LFI scientific performance. The LFI shows excellent 1/f stability and rejection of instrumental systematic effects; its measured noise performance shows that LFI is the most sensitive instrument of its kind. The calibration parameters will be updated during flight operations until the end of the mission.
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