Juan Wang, Josef Eder, Jia Ma, YanJi Yang, WeiWei Cui, XiongTao Yang, XuLiang Duan, JianChao Feng, XiaoFeng Zhang, Bing Lu, He Lv, WenXin Sun, FangJun Lu, DaWei Han, YuSa Wang, Tianxiang Chen, Qian Zhang, Xiyan Bi, DongTai Li, JiaWei Zhang, Peter Friedrich, Katinka Hartmann, Arnoud Keereman, Andrea Santovincenzo, Dervis Vernani, Giovanni Bianucci, Giuseppe Valsecchi, QingJun Tang, HouLei Chen, Yong Chen
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The structural design and thermo-mechanical performance of the FXT for the EP mission
The Follow-up X-ray Telescope (FXT) is one of the key payloads onboard EP. It is a Wolter-I type X-ray focusing telescope equipped with two telescope modules (focal length 1.6 m), with a total effective area of ~ 600 cm2 at 1.25 keV and an energy range of 0.3–10 keV. FXT is mainly composed of an X-ray focusing mirror assembly (MA) and a camera assembly with a PNCCD detector module. The two FXT modules are completely independent from each other, thus avoiding a single point failure. We completed the internal composites of FXT structural design, which meets the function and performance requirements of mechanical, thermal, contamination control and X-ray optics. The FXT passed successfully the mechanical, thermal qualification level tests on the spacecraft platform in the phase C.
期刊介绍：
Many new instruments for observing astronomical objects at a variety of wavelengths have been and are continually being developed. Furthermore, a vast amount of effort is being put into the development of new techniques for data analysis in order to cope with great streams of data collected by these instruments.
Experimental Astronomy acts as a medium for the publication of papers of contemporary scientific interest on astrophysical instrumentation and methods necessary for the conduct of astronomy at all wavelength fields.
Experimental Astronomy publishes full-length articles, research letters and reviews on developments in detection techniques, instruments, and data analysis and image processing techniques. Occasional special issues are published, giving an in-depth presentation of the instrumentation and/or analysis connected with specific projects, such as satellite experiments or ground-based telescopes, or of specialized techniques.
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