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http://hdl.handle.net/20.500.12386/30576
Titolo: | A comparison between the opto-thermo-mechanical model and lab measurements for CHEOPS | Autori: | MAGRIN, DEMETRIO VIOTTO, VALENTINA Beck, Thomas Bruno, Giordano Baroni, Marco Turella, Andrea Marinai, Massimo BERGOMI, Maria BIONDI, FEDERICO MUNARI, MATTEO MARAFATTO, Luca FARINATO, JACOPO GREGGIO, DAVIDE DIMA, MARCO SCANDARIATO, GAETANO PAGANO, Isabella RAGAZZONI, Roberto Rieder, Martin Busch, Martin Diego Piazza, Daniele Bandy, Timothy Broeg, Christopher Fortier, Andrea Hernandez, Eduardo Cessa, Virginie Benz, Willy Piotto, Giampaolo Giannuzzo, Ester Dami, Michele Battistelli, Enrico Salatti, Mario Tommasi, Elisabetta De Angelis, Luigi Deep, Atul Ngan, Ivan Ratti, Francesco Gambicorti, Lisa Rando, Nicola |
Data pubblicazione: | 2018 | Titolo del volume in cui è pubblicato il poster: | Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave | Curatore/i del volume in cui è pubblicato il contributo: | Lystrup, Makenzie; MacEwen, Howard A.; Fazio, Giovanni G.; Batalha, Natalie; Siegler, Nicholas; Tong, Edward C. | Serie: | PROCEEDINGS OF SPIE | Numero: | 10698 | Da pagina:: | 106983B | Abstract: | CHEOPS is the first small class mission adopted by ESA in the framework of the Cosmic Vision 2015-2025. Its launch is foreseen in early 2019. CHEOPS aims to get transits follow-up measurements of already known exo-planets, hosted by near bright stars (V<12). Thanks to its ultra-high precision photometry, CHEOPS science goal is accurately measure the radii of planets in the super-Earth to Neptune mass range (1<Mplanet/MEarth<20). The knowledge of the radius by transit measurements, combined with the determination of planet mass through radial velocity techniques, will allow the determination/refinement of the bulk density for a large number of small planets during the scheduled 3.5 years life mission. The instrument is mainly composed of a 320 mm aperture diameter Ritchey-Chretien telescope and a Back End Optics, delivering a de-focused star image onto the focal plane. In this paper we describe the opto-thermo-mechanical model of the instrument and the measurements obtained during the opto-mechanical integration and alignment phase at Leonardo company premises, highlighting the level of congruence between the predictions and measurements. | Titolo del convegno: | Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave | Luogo del convegno: | Austin, Texas, United States | Periodo del convegno: | 10-15 June, 2018 | URI: | http://hdl.handle.net/20.500.12386/30576 | URL: | https://doi.org/10.1117/12.2313406 https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10698/2313406/A-comparison-between-the-opto-thermo-mechanical-model-and-lab/10.1117/12.2313406.full |
ISSN: | 0277-786X | ISBN: | 9781510619494 9781510619500 |
DOI: | 10.1117/12.2313406 | Bibcode ADS: | 2018SPIE10698E..3BM | Fulltext: | open |
È visualizzato nelle collezioni: | 3.01 Contributi in Atti di convegno |
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