The coded mask of the ECLAIRs telescope onboard the SVOM space mission
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arXiv
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| Autori principali: | , , , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866908995279650816 |
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| author | Lachaud, C. Givaudan, A. Karakac, M. Bertoli, W. Dheilly, S. Juffroy, C. Chapron, C. Gros, A. Schanne, S. Begoc, S. Guillemot, P. Pasquier, H. |
| author_facet | Lachaud, C. Givaudan, A. Karakac, M. Bertoli, W. Dheilly, S. Juffroy, C. Chapron, C. Gros, A. Schanne, S. Begoc, S. Guillemot, P. Pasquier, H. |
| contents | ECLAIRs is a hard X-ray coded-mask telescope onboard the SVOM space mission, designed to detect and localize high-energy transients, in particular gamma-ray bursts. Operating over the 4-150 keV energy range, ECLAIRs extends coded-mask imaging to an unusually low-energy threshold. Achieving sensitivity down to 4 keV while maintaining performance up to 150 keV motivated the development of a novel self-supporting coded mask. This design addresses both scientific and mechanical challenges through dedicated pattern-generation algorithms and an innovative stiffened sandwich structure. We present the rationale, development, and final implementation of the ECLAIRs coded mask. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_24261 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | The coded mask of the ECLAIRs telescope onboard the SVOM space mission Lachaud, C. Givaudan, A. Karakac, M. Bertoli, W. Dheilly, S. Juffroy, C. Chapron, C. Gros, A. Schanne, S. Begoc, S. Guillemot, P. Pasquier, H. High Energy Astrophysical Phenomena Instrumentation and Methods for Astrophysics ECLAIRs is a hard X-ray coded-mask telescope onboard the SVOM space mission, designed to detect and localize high-energy transients, in particular gamma-ray bursts. Operating over the 4-150 keV energy range, ECLAIRs extends coded-mask imaging to an unusually low-energy threshold. Achieving sensitivity down to 4 keV while maintaining performance up to 150 keV motivated the development of a novel self-supporting coded mask. This design addresses both scientific and mechanical challenges through dedicated pattern-generation algorithms and an innovative stiffened sandwich structure. We present the rationale, development, and final implementation of the ECLAIRs coded mask. |
| title | The coded mask of the ECLAIRs telescope onboard the SVOM space mission |
| topic | High Energy Astrophysical Phenomena Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2604.24261 |