5 August 2010 PLATO: detailed design of the telescope optical units
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The project PLAnetary Transits and Oscillations of stars (PLATO) is one of the three medium class (M class) missions selected in 2010 for definition study in the framework of the ESA Cosmic Vision 2015-2025 program. The main scientific goals of PLATO are the i) discovery and study of extra-solar planetary systems, (including those hosting Earth-like planets in their habitable zone) by means of planetary transits detection from space and radial velocity follow-up from ground, and ii) the characterization of the hosting stars through seismic analysis, in order to determine with high accuracy planetary masses and ages. According to the study made by the PLATO Payload Consortium (PPLC) during the PLATO assessment phase, the scientific payload consists of 34 all refractive telescopes having small aperture (120 mm) and wide field of view (greater than 1000 degree2) observing over 0.5-1 micron wavelength band. The telescopes are mounted on a common optical bench and are divided in four families with an overlapping line-of-sight in order to maximize the science return. In this paper, we will describe the detailed design of the Telescope Optical Units (TOUs) focusing on the selected optical configuration and the expected performances.
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Demetrio Magrin, Demetrio Magrin, Matteo Munari, Matteo Munari, Isabella Pagano, Isabella Pagano, Daniele Piazza, Daniele Piazza, Roberto Ragazzoni, Roberto Ragazzoni, Carmelo Arcidiacono, Carmelo Arcidiacono, Stefano Basso, Stefano Basso, Marco Dima, Marco Dima, Jacopo Farinato, Jacopo Farinato, Lisa Gambicorti, Lisa Gambicorti, Giorgia Gentile, Giorgia Gentile, Mauro Ghigo, Mauro Ghigo, Emanuele Pace, Emanuele Pace, Giampaolo Piotto, Giampaolo Piotto, Salvatore Scuderi, Salvatore Scuderi, Valentina Viotto, Valentina Viotto, Wolfgang Zima, Wolfgang Zima, Claude Catala, Claude Catala, } "PLATO: detailed design of the telescope optical units", Proc. SPIE 7731, Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave, 773124 (5 August 2010); doi: 10.1117/12.857237; https://doi.org/10.1117/12.857237


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