PLATO telescope optical units: an update on working status

D. Magrin; R. Ragazzoni; I. Pagano; V. Viotto; J. Farinato; M. Munari; S. Chinellato; F. Calderone; L. Marafatto; D. Greggio; M. Bergomi; M. Dima; V. Cessa; F. Molendini; T. Bandy; D. Piazza; W. Benz; A. Brandeker; A. Novi; E. Battistelli; M. Burresi; E. Capuano; M. Marinai; M. Nebiolo; M. Salatti; G. Bianucci; F. Marioni; H. Rauer; F. Marliani; Y. Levillain; J. L. Alvarez

doi:10.1117/12.2562370

15 December 2020 PLATO telescope optical units: an update on working status

D. Magrin, R. Ragazzoni, I. Pagano, V. Viotto, J. Farinato, M. Munari, S. Chinellato, F. Calderone, L. Marafatto, D. Greggio, M. Bergomi, M. Dima, V. Cessa, F. Molendini, T. Bandy, D. Piazza, W. Benz, A. Brandeker, A. Novi, E. Battistelli, M. Burresi, E. Capuano, M. Marinai, M. Nebiolo, M. Salatti, G. Bianucci, F. Marioni, H. Rauer, F. Marliani, Y. Levillain, J. L. Alvarez

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Proceedings Volume 11443, Space Telescopes and Instrumentation 2020: Optical, Infrared, and Millimeter Wave; 1144312 (2020) https://doi.org/10.1117/12.2562370
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Abstract

PLATO (PLAnetary Transits and Oscillation of stars) is the ESA Medium size dedicated to exo-planets discovery and cataloguing, adopted in the framework of the Cosmic Vision 2015-2025. The PLATO launch is planned in 2026 and the mission will last at least 4 years in the Lagrangian point L2. The primary scientific goal of PLATO is to discover and characterize a large amount of exo-planets hosted by bright nearby stars. The PLATO strategy is to split the collecting area into 24(+2) identical 120 mm aperture diameter fully refractive cameras with partially overlapped Field of View delivering an overall instantaneous sky covered area of about >2100 square degrees. The opto-mechanical sub-system of each camera, namely Telescope Optical Unit (TOU), is basically composed by a 6 lenses fully refractive optical system, presenting one aspheric surface on the front lens, and by a mechanical structure made in AlBeMet. In this paper we will update on the current working status of the TOUs.

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D. Magrin, R. Ragazzoni, I. Pagano, V. Viotto, J. Farinato, M. Munari, S. Chinellato, F. Calderone, L. Marafatto, D. Greggio, M. Bergomi, M. Dima, V. Cessa, F. Molendini, T. Bandy, D. Piazza, W. Benz, A. Brandeker, A. Novi, E. Battistelli, M. Burresi, E. Capuano, M. Marinai, M. Nebiolo, M. Salatti, G. Bianucci, F. Marioni, H. Rauer, F. Marliani, Y. Levillain, and J. L. Alvarez "PLATO telescope optical units: an update on working status", Proc. SPIE 11443, Space Telescopes and Instrumentation 2020: Optical, Infrared, and Millimeter Wave, 1144312 (15 December 2020); https://doi.org/10.1117/12.2562370

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