HAL: in2p3-00534033, version 1

DOI: 10.1051/0004-6361/200912911

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Astronomy and Astrophysics 520 (2010) A2

Planck pre-launch status: The optical system

J.A. Tauber, H. U. Norgaard-Nielsen, P. A. R. Ade, J. Amiri Parian, T. Banos 1, M. Bersanelli, C. Burigana, A. Chamballu, D. Chambure De 2, P. R. Christensen, O. Corre 1, A. Cozzani, B. Crill, G. Crone, O. D'arcangelo, R. Daddato, D. Doyle, D. Dubruel 1, G. Forma 1, R. Hills, K. Huffenberger, A. H. Jaffe, N. Jessen, P. Kletzkine, J. M. Lamarre 3, J. P. Leahy, Y. Longval 4, P. Maagt De, B. Maffei, N. Mandolesi, J. Marti-Canales, A. Martin-Polegre, P. Martin 1, L. Mendes, J. A. Murphy, P. Nielsen, F. Noviello 4, M. Paquay, T. Peacocke, N. Ponthieu 4, K. Pontoppidan, I. Ristorcelli 5, J. -B. Riti 1, L. Rolo, C. Rosset 6, M. Sandri, G. Savini, R. Sudiwala, M. Tristram 7, L. Valenziano, M. Van Der Vorst, K. Van'T Klooster, F. Villa, V. Yurchenko

For the PLANCK collaboration(s)

(2010-09)

Planck is a scientific satellite that represents the next milestone in space-based research related to the cosmic microwave background, and in many other astrophysical fields. Planck was launched on 14 May of 2009 and is now operational. The uncertainty in the optical response of its detectors is a key factor allowing Planck to achieve its scientific objectives. More than a decade of analysis and measurements have gone into achieving the required performances. In this paper, we describe the main aspects of the Planck optics that are relevant to science, and the estimated in-flight performance, based on the knowledge available at the time of launch. We also briefly describe the impact of the major systematic effects of optical origin, and the concept of in-flight optical calibration. Detailed discussions of related areas are provided in accompanying papers.

1:	Thales Alenia Space
	Thales Alenia Space
2:	Agence Spatiale Européenne (ESA)
	ESA
3:	Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique (LERMA)
	CNRS : UMR8112 – INSU – Observatoire de Paris – Université Pierre et Marie Curie [UPMC] - Paris VI – Université de Cergy Pontoise – Ecole normale supérieure de Paris - ENS Paris
4:	Institut d'astrophysique spatiale (IAS)
	CNRS : UMR8617 – INSU – Université Paris XI - Paris Sud
5:	Centre d'étude spatiale des rayonnements (CESR)
	CNRS : UMR5187 – Observatoire Midi-Pyrénées – INSU – Université Paul Sabatier [UPS] - Toulouse III
6:	AstroParticule et Cosmologie (APC)
	CNRS : UMR7164 – IN2P3 – Observatoire de Paris – Université Paris VII - Paris Diderot – CEA : DSM/IRFU
7:	Laboratoire de l'Accélérateur Linéaire (LAL)
	CNRS : UMR8607 – IN2P3 – Université Paris XI - Paris Sud

Research team: APC - Cosmologie et gravitation

Subject(s)

:

Sciences of the Universe/Astrophysics/Cosmology and Extra-Galactic Astrophysics Physics/Astrophysics/Cosmology and Extra-Galactic Astrophysics Sciences of the Universe/Astrophysics/Instrumentation and Methods for Astrophysic Physics/Astrophysics/Instrumentation and Methods for Astrophysic

Keyword(s): cosmic microwave background – space vehicles: instruments – instrumentation: detectors – instrumentation: polarimeters – submillimeter: general – telescopes

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From: Françoise Marechal <>

Submitted on: Tuesday, 9 November 2010 14:45:07

Updated on: Sunday, 9 September 2012 15:37:59