The VERT-X calibration facility: development of the most critical parts

A. Moretti; G. Pareschi; S. Basso; D. Spiga; M. Ghigo; G. Tagliaferri; G. Sironi; M Civitani; V. Cotroneo; N. La Palombara; M. Uslenghi; M. Tordi; S. Delorenzi; G. Valsecchi; F. Zocchi; F. Marioni; D. Vernani; F. Amisano; G. Parissenti; G. Parodi; M. Ottolini; P. Corradi; M. Bavdaz; I. Ferreira

doi:10.1117/12.2593670

23 August 2021 The VERT-X calibration facility: development of the most critical parts

A. Moretti, G. Pareschi, S. Basso, D. Spiga, M. Ghigo, G. Tagliaferri, G. Sironi, M Civitani, V. Cotroneo, N. La Palombara, M. Uslenghi, M. Tordi, S. Delorenzi, G. Valsecchi, F. Zocchi, F. Marioni, D. Vernani, F. Amisano, G. Parissenti, G. Parodi, M. Ottolini, P. Corradi, M. Bavdaz, I. Ferreira

Author Affiliations +

Proceedings Volume 11822, Optics for EUV, X-Ray, and Gamma-Ray Astronomy X; 118220K (2021) https://doi.org/10.1117/12.2593670
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

The ATHENA X-ray telescope will be the largest X-ray optics ever built. The ground calibration of this mirror assembly raises significant difficulties due to its unprecedented size, mass and focal length. The VERT-X project aims at developing an innovative calibration system which will be able to accomplish to this extremely challenging task.The design is based on an X-ray parallel beam produced by an X-ray source positioned in the focus of a highly performing X-ray collimator; the beam will be accurately moved by a raster-scan mechanism covering all the ATHENA optics at different off-axis angles. The main driving factor in the VERT-X design is the ATHENA calibration requirement on the accuracy in the HEW measure which is 0.1”, all over the field of view. The VERT-X project, started in January 2019, is financed by ESA and conducted by a consortium that includes INAF together with EIE, Media Lario, BCV Progetti and GPAP.

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A. Moretti, G. Pareschi, S. Basso, D. Spiga, M. Ghigo, G. Tagliaferri, G. Sironi, M Civitani, V. Cotroneo, N. La Palombara, M. Uslenghi, M. Tordi, S. Delorenzi, G. Valsecchi, F. Zocchi, F. Marioni, D. Vernani, F. Amisano, G. Parissenti, G. Parodi, M. Ottolini, P. Corradi, M. Bavdaz, and I. Ferreira "The VERT-X calibration facility: development of the most critical parts", Proc. SPIE 11822, Optics for EUV, X-Ray, and Gamma-Ray Astronomy X, 118220K (23 August 2021); https://doi.org/10.1117/12.2593670

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