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Planck pre-launch status: HFI beam expectations from the optical optimisation of the focal plane

Maffei, B., Noviello, F., Murphy, J. A., Ade, Peter A. R. ORCID:, Lamarre, J.-M., Bouchet, F. R., Brossard, J., Catalano, A., Colgan, R., Gispert, R., Gleeson, E., Haynes, C. V., Jones, W. C., Lange, A. E., Longval, Y., McAuley, I., Pajot, F., Peacocke, T., Pisano, Giampaolo ORCID:, Puget, J.-L., Ristorcelli, I., Savini, Giorgio, Sudiwala, Rashmikant ORCID:, Wylde, R. J. and Yurchenko, V. 2010. Planck pre-launch status: HFI beam expectations from the optical optimisation of the focal plane. Astronomy and Astrophysics 520 , A12. 10.1051/0004-6361/200912999

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Planck is a European Space Agency (ESA) satellite, launched in May 2009, which will map the cosmic microwave background anisotropies in intensity and polarisation with unprecedented detail and sensitivity. It will also provide full-sky maps of astrophysical foregrounds. An accurate knowledge of the telescope beam patterns is an essential element for a correct analysis of the acquired astrophysical data. We present a detailed description of the optical design of the High Frequency Instrument (HFI) together with some of the optical performances measured during the calibration campaigns. We report on the evolution of the knowledge of the pre-launch HFI beam patterns when coupled to ideal telescope elements, and on their significance for the HFI data analysis procedure.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: space vehicles: instruments / submillimeter: general / telescopes / cosmic microwave background / instrumentation: polarimeters / instrumentation: detectors
Additional Information: Pdf uploaded in accordance with publisher's policy at (accessed 17/04/2014)
Publisher: EDP Sciences
ISSN: 0004-6361
Date of First Compliant Deposit: 30 March 2016
Last Modified: 14 May 2023 05:44

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