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

Date Issued
2021
Author(s)
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Tordi, M.
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Delorenzi, S.
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Valsecchi, G.
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Zocchi, F.
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Marioni, F.
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Vernani, D.
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Amisano, F.
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Parissenti, G.
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Parodi, G.
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Ottolini, M.
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Corradi, P.
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Bavdaz, M.
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Ferreira, I.
DOI
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.
Coverage
Optics for EUV, X-Ray, and Gamma-Ray Astronomy X
All editors
O'Dell, Stephen L.; Gaskin, Jessica A.; Pareschi, Giovanni
Series
Volume
11822
Start page
118220K
Conferenece
Optics for EUV, X-Ray, and Gamma-Ray Astronomy X
Conferenece place
San Diego, California, United States
Conferenece date
1-5 August, 2021
Uri
Url
Issn Identifier
0277-786X
Ads BibCode
2021SPIE11822E..0KM
Rights
open.access
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