Optical integration of SPO mirror modules in the ATHENA telescope

G. Valsecchi; F. Marioni; G. Bianucci; F. E. Zocchi; D. Gallieni; G. Parodi; M. Ottolini; M. Collon; M. Civitani; G. Pareschi; D. Spiga; M. Bavdaz; E. Wille

doi:10.1117/12.2272997

29 August 2017 Optical integration of SPO mirror modules in the ATHENA telescope

G. Valsecchi, F. Marioni, G. Bianucci, F. E. Zocchi, D. Gallieni, G. Parodi, M. Ottolini, M. Collon, M. Civitani, G. Pareschi, D. Spiga, M. Bavdaz, E. Wille

Author Affiliations +

Proceedings Volume 10399, Optics for EUV, X-Ray, and Gamma-Ray Astronomy VIII; 103990E (2017) https://doi.org/10.1117/12.2272997
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States

Abstract

ATHENA (Advanced Telescope for High-ENergy Astrophysics) is the next high-energy astrophysical mission selected by the European Space Agency for launch in 2028. The X-ray telescope consists of 1062 silicon pore optics mirror modules with a target angular resolution of 5 arcsec. Each module must be integrated on a 3 m structure with an accuracy of 1.5 arcsec for alignment and assembly. This industrial and scientific team is developing the alignment and integration process of the SPO mirror modules based on ultra-violet imaging at the 12 m focal plane. This technique promises to meet the accuracy requirement while, at the same time, allowing arbitrary integration sequence and mirror module exchangeability. Moreover, it enables monitoring the telescope point spread function during the planned 3-year integration phase.

Conference Presentation

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G. Valsecchi, F. Marioni, G. Bianucci, F. E. Zocchi, D. Gallieni, G. Parodi, M. Ottolini, M. Collon, M. Civitani, G. Pareschi, D. Spiga, M. Bavdaz, and E. Wille "Optical integration of SPO mirror modules in the ATHENA telescope", Proc. SPIE 10399, Optics for EUV, X-Ray, and Gamma-Ray Astronomy VIII, 103990E (29 August 2017); https://doi.org/10.1117/12.2272997

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