Influence of the Earth on the background and the sensitivity of the GRM   and ECLAIRs instruments aboard the Chinese-French mission SVOM
  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. 
Donghua Zhao, Bertrand Cordier, Patrick Sizun, Bobing Wu, Yongwei   Dong, St\'ephane Schanne, Liming Song, Jiangtao Liu
astro-ph.IM astro-ph.HE