Aligning the demonstration model of CHEOPS

Bergomi, M.; Biondi, F.; Marafatto, L.; Dima, M.; Greggio, D.; Farinato, J.; Magrin, D.; Ragazzoni, R.; Viotto, V.; Gullieuszik, M.; Farisato, G.; Lessio, L.; Portaluri, E.; Munari, M.; Pagano, I.; Marinai, M.; Novi, A.; Pompei, C.; Piazza, D.; Beck, T.; ... (29 July 2016). Aligning the demonstration model of CHEOPS. In: MacEwen, Howard A.; Fazio, Giovanni G.; Lystrup, Makenzie; Batalha, Natalie; Siegler, Nicholas; Tong, Edward C. (eds.) Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave. Edinburgh, United Kingdom. 10.1117/12.2232136

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CHEOPS (CHaracterizing ExOPlanets Satellite) is an ESA Small Mission, planned to be launched in mid-2018 and whose main goal is the photometric precise characterization of radii of exoplanets orbiting bright stars (V<12) already known to host planets. Given the fast-track nature of this mission, we developed a non-flying Demonstration Model, whose optics are flight representative and whose mechanics provides the same interfaces of the flight model, but is not thermally representative. In this paper, we describe CHEOPS Demonstration Model handling, integration, tests, alignment and characterization, emphasizing the verification of the uncertainties in the optical quality measurements introduced by the starlight simulator and the way the alignment and optical surfaces are measured.

Item Type:

Conference or Workshop Item (Paper)

Division/Institute:

08 Faculty of Science > Physics Institute > Space Research and Planetary Sciences
08 Faculty of Science > Physics Institute
10 Strategic Research Centers > Center for Space and Habitability (CSH)
08 Faculty of Science > Physics Institute > NCCR PlanetS

UniBE Contributor:

Benz, Willy

Subjects:

500 Science
500 Science > 520 Astronomy
500 Science > 530 Physics
600 Technology > 620 Engineering

Series:

Proc. SPIE

Language:

English

Submitter:

Janine Jungo

Date Deposited:

30 Jun 2017 15:47

Last Modified:

02 Jul 2017 02:14

Publisher DOI:

10.1117/12.2232136

URI:

https://boris.unibe.ch/id/eprint/97269

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