X-ray tests of the ATHENA mirror modules in BEaTriX: from design to reality

Salmaso, B.; Basso, S.; Ghigo, M.; Spiga, D.; Vecchi, G.; Sironi, G.; Cotroneo, V.; Conconi, P.; Redaelli, E.; Bianco, A.; Pareschi, G.; Tagliaferri, G.; Sisana, D.; Pelliciari, C.; Fiorini, M.; Incorvaia, S.; Uslenghi, M.; Paoletti, L.; Ferrari, C.; Lolli, R.; Zappettini, A.; Rio, M. Sanchez del; Parodi, G.; Burwitz, V.; Rukdee, S.; Hartner, G.; Müller, T.; Schmidt, T.; Langmeier, A.; Ferreira, D. D.; Massahi, S.; Gellert, N. C.; Christensen, F.; Bavdaz, M.; Ferreira, I.; Collon, M.; Vacanti, G.; Barrière, N.

doi:10.1117/12.2628227

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X-ray tests of the ATHENA mirror modules in BEaTriX: from design to reality

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Burwitz, V.
High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;

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Rukdee, S.
Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

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Hartner, G.
High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;

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Müller, T.
Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;

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Schmidt, T.
High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;

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Langmeier, A.
MPI for Extraterrestrial Physics, Max Planck Society;

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Citation

Salmaso, B., Basso, S., Ghigo, M., Spiga, D., Vecchi, G., Sironi, G., et al. (2022). X-ray tests of the ATHENA mirror modules in BEaTriX: from design to reality. In Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray. doi:10.1117/12.2628227.

Cite as: https://hdl.handle.net/21.11116/0000-000C-9F35-6

Abstract

The BEaTriX (Beam Expander Testing X-ray) facility is now operative at the INAF-Osservatorio Astronomico Brera (Merate, Italy). This facility has been specifically designed and built for the X-ray acceptance tests (PSF and Effective Area) of the ATHENA Silicon Pore Optics (SPO) Mirror Modules (MM). The unique setup creates a parallel, monochromatic, large X-ray beam, that fully illuminates the aperture of the MMs, generating an image at the ATHENA focal length of 12 m. This is made possible by a microfocus X-ray source followed by a chain of optical components (a paraboloidal mirror, 2 channel cut monochromators, and an asymmetric silicon crystal) able to expand the X-ray beam to a 6 cm × 17 cm size with a residual divergence of 1.5 arcsec (vertical) × 2.5 arcsec (horizontal). This paper reports the commissioning of the 4.5 keV beam line, and the first light obtained with a Mirror Module.