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Influence of the Earth on the background and the sensitivity of the GRM and ECLAIRs instruments aboard the Chinese-French mission SVOM

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Abstract

SVOM (Space-based multi-band astronomical Variable Object Monitor) is a future Chinese-French satellite mission which is dedicated to Gamma-Ray Burst (GRB) studies. Its anti-solar pointing strategy makes the Earth cross the field of view of its payload every orbit. In this paper, we present the variations of the gamma-ray background of the two high energy instruments aboard SVOM, the Gamma-Ray Monitor (GRM) and ECLAIRs, as a function of the Earth position. We conclude with an estimate of the Earth influence on their sensitivity and their GRB detection capability.

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  1. http://wdc.kugi.kyoto-u.ac.jp/igrf/gggm/

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Acknowledgements

This work was supported by 973 Program 2009CB824800, NSFC10978001 and the Knowledge Innovation Program of the Chinese Academy of Sciences, under Grant No. 200931111192010. Donghua ZHAO gratefully acknowledges China Scholarship Council and CEA/Saclay where most of this work was done.

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Authors and Affiliations

  1. Key Laboratory for Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, 19B Yuquan Road, Beijing, 100049, China

    Donghua Zhao, Bobing Wu, Yongwei Dong, Liming Song & Jiangtao Liu

  2. CEA Saclay, DSM/Irfu/Service d’Astrophysique, 91191, Gif-sur-Yvette, France

    Bertrand Cordier, Patrick Sizun & Stéphane Schanne

  3. CEA Saclay, DSM/Irfu/Sédi, 91191, Gif-sur-Yvette, France

    Patrick Sizun

Authors
  1. Donghua Zhao
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  2. Bertrand Cordier
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  3. Patrick Sizun
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  4. Bobing Wu
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  5. Yongwei Dong
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  6. Stéphane Schanne
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  7. Liming Song
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  8. Jiangtao Liu
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Correspondence to Donghua Zhao.

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Zhao, D., Cordier, B., Sizun, P. et al. Influence of the Earth on the background and the sensitivity of the GRM and ECLAIRs instruments aboard the Chinese-French mission SVOM. Exp Astron 34, 705–728 (2012). https://doi.org/10.1007/s10686-012-9313-2

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  • DOI: https://doi.org/10.1007/s10686-012-9313-2

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