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

    Maffei, B. and Noviello, F. and Murphy, J.Anthony and Ade, P.A.R. and Lamarre, J.-M. and Bouchet, F.R. and Brossard, J. and Catalano, A. and Colgan, R. and Gispert, R. and Gleeson, E. and Haynes, C.V. and Jones, W.C. and Lange, A.E. and Longval, Y. and McAuley, I. and Pajot, F. and Peacocke, T. and Pisano, G. and Puget, J.-L. and Ristorcelli, I. and Savini, G. and Sudiwala, R. and Wylde, R.J. and Yurchenko, V. (2010) Planck pre-launch status: HFI beam expectations from the optical optimisation of the focal plane. Astronomy & Astrophysics, 520 (A12). pp. 1-15. ISSN 0004-6361

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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
    Additional Information: © ESO 2010 The original publication is available at DOI: 10.1051/0004-6361/200912999
    Keywords: space vehicles; instruments; submillimeter; telescopes; cosmic microwave background; instrumentation; polarimeters; detectors; Planck satellite;
    Academic Unit: Faculty of Science and Engineering > Experimental Physics
    Item ID: 4021
    Depositing User: Dr. Anthony Murphy
    Date Deposited: 04 Dec 2012 16:36
    Journal or Publication Title: Astronomy & Astrophysics
    Publisher: EDP Sciences
    Refereed: Yes

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