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Featured researches published by G. Crone.


Astronomy and Astrophysics | 2010

Planck pre-launch status: The optical system

J. A. Tauber; H. U. Nørgaard-Nielsen; Peter A. R. Ade; J. Amiri Parian; T. Banos; M. Bersanelli; C. Burigana; A. Chamballu; D. de Chambure; P. R. Christensen; O. Corre; A. Cozzani; B. P. Crill; G. Crone; O. D'Arcangelo; R. Daddato; D. Doyle; D. Dubruel; G. Forma; Richard E. Hills; K. M. Huffenberger; A. H. Jaffe; Niels Christian Jessen; P. Kletzkine; Jean-Michel Lamarre; J. P. Leahy; Y. Longval; P. de Maagt; Bruno Maffei; N. Mandolesi

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.


european conference on antennas and propagation | 2010

The Planck mission

A. Martín Polegre; J. A. Tauber; G. Crone; T. Paßvogel

This paper describes the main characteristics of the latest medium-sized mission launched by ESA as part of its science programme. An overview of the telescope and cryogenic system is given.


Archive | 2009

The Planck-LFI Programme

N. Mandolesi; M. Bersanelli; C. Burigana; G. De Zotti; F. Finelli; A. Gruppuso; S. Matarrese; A. Mennella; G. Morgante; P. Natoli; F. Pasian; M. Sandri; L. Terenzi; F. Villa; A. Zacchei; E. Artal; C. Baccigalupi; A. J. Banday; K. Bennett; P. Bhandari; A. Bonaldi; Malcolm N. Bremer; B. Cappellini; Thierry J.-L. Courvoisier; G. Crone; F. Cuttaia; L. Danese; O. D'Arcangelo; R. D. Davies; Robert J. Davis


european conference on antennas and propagation | 2010

Prediction of the in-flight radiation patterns of the Planck telescope

A. Martín Polegre; P. H. Nielsen; J. A. Tauber; D. Doyle; D. Dubruel; P. Martin; R. Daddato; A. Cozzani; V. Kirschner; T. Peacocke; H. U. Nørgaard-Nielsen; Bruno Maffei; A. Murphy; M. Sandri; F. Villa; G. Crone


VizieR Online Data Catalog. 2012;353:69008. | 2012

Planck early results. VIII. ESZ sample. (Planck+, 2011)

P. A. R. Ade; N. Aghanim; M. Arnaud; M. Ashdown; J. Aumont; C. Baccigalupi; M. Baker; A. Balbi; A. J. Banday; R. B. Barreiro; J. G. Bartlett; E. Battaner; K. Benabed; K. Bennett; A. Benoît; J.-P. Bernard; M. Bersanelli; R. S. Bhatia; J. J. Bock; A. Bonaldi; J. R. Bond; J. Borrill; F. R. Bouchet; T. Bradshaw; Malcolm N. Bremer; M. Bucher; C. Burigana; R. C. Butler; P. Cabella; C. M. Cantalupo

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D. Doyle

European Space Agency

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K. Bennett

European Space Research and Technology Centre

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C. Baccigalupi

International School for Advanced Studies

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