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  ATHENA Telescope: alignment and integration of SPO mirror modules

Valsecchi, G., Marioni, F., Bianucci, G., Zocchi, F. E., Gallieni, D., Parodi, G., et al. (2019). ATHENA Telescope: alignment and integration of SPO mirror modules. In Z. Sodnik, N. Karafolas, & C. Bruno (Eds.), International Conference on Space Optics — ICSO 2018. doi:10.1117/12.2535978.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-670A-C Version Permalink: http://hdl.handle.net/21.11116/0000-0006-670B-B
Genre: Conference Paper

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 Creators:
Valsecchi, G., Author
Marioni, F., Author
Bianucci, G., Author
Zocchi, F. E., Author
Gallieni, D., Author
Parodi, G., Author
Ottolini, M., Author
Collon, M., Author
Pareschi, G., Author
Spiga, D., Author
Bavdaz, M., Author
Wille, E., Author
Burwitz, V.1, Author              
Hartner, G.1, Author              
Pelliciari, C.1, Author              
Affiliations:
1High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society, ou_159890              

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 Abstract: ATHENA (Advanced Telescope for High-ENergy Astrophysics) is the next high-energy astrophysical mission of the European Space Agency currently planned to be launched in the early 2030s, as part of its Cosmic Vision program, on the scientific topic of “Hot and Energetic Universe”. The optics technology is based on the Silicon Pore Optics (SPO). About 678 SPO mirror modules will have to be integrated and co-aligned onto the optical bench of the Mirror Assembly Module (MAM) of ATHENA. This activity will have to be completed in about two years. Media Lario leads an industrial and scientific team that has developed the process to align and integrate the SPO Mirror module with an accuracy better than 1 arcsec. The process is based on position of the centroid of the point spread function produced by each mirror module when illuminated by a collimated planewave at 218 nm taken at 12 m focal length. Experimental tests, using two SPO mirror modules, and correlation with X-ray measurement at the PANTER test facility in Münich have demonstrated that this process meets the accuracy requirement. It was also demonstrated, that a mirror module can be removed again from the MAM, and re-installed, without compromising the adjacent mirror modules. This technique allows arbitrary integration sequence and integration of two Mirror Modules per day. Moreover, it enables monitoring the telescope point spread function during the whole integration phase.

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 Dates: 2019-07-12
 Publication Status: Published online
 Pages: -
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 Identifiers: DOI: 10.1117/12.2535978
Other: LOCALID: 3231019
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Title: INTERNATIONAL CONFERENCE ON SPACE OPTICS - ICSO 2018
Place of Event: Chania, Greece
Start-/End Date: 2018-10-09 - 2018-10-12

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Title: International Conference on Space Optics — ICSO 2018
Source Genre: Proceedings
 Creator(s):
Sodnik, Zoran , Editor
Karafolas, Nikos , Editor
Bruno , Cugny, Editor
Affiliations:
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Pages: - Volume / Issue: 11180 Sequence Number: 111801N Start / End Page: - Identifier: -

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Title: Proceedings of SPIE
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Publ. Info: SPIE-INT SOC OPTICAL ENGINEERING
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: ISSN: 0277-786X