The ground segment is one of the five major systems of the Insight-HXMT mission. It is divided into two branches: mission support branch and scientific application branch. The mission support branch includes: mission operation center, ground receiving center, data pre-processing and quick-look center, data archive management and release center, and the National Space Science Center of the Chinese Academy of Sciences is responsible for this branch. The scientific application branch includes: HXMT science operation center (HSOC), HXMT high level data production processing and calibration center (HDPC), HXMT science user center (HSUC) and HXMT science support center (HSSC), built and operated by the Institute of High Energy Physics, see Fig. 1.
Fig. 1 The organization of HXMT’s ground segment