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Status of the follow-up x-ray telescope onboard the Einstein Probe satellite

MPS-Authors
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Friedrich,  Peter
High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;

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Meidinger,  Norbert
High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;

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Keil,  Isabell
High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;

/persons/resource/persons4784

Burwitz,  Vadim
High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;

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Eder,  Josef
High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;

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Hartmann,  Katinka
MPI for Extraterrestrial Physics, Max Planck Society;

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Nandra,  Kirpal
High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;

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Citation

Chen, Y., Cui, W., Han, D., Wang, J., Yang, Y., Wang, Y., et al. (2020). Status of the follow-up x-ray telescope onboard the Einstein Probe satellite. In Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray. doi:10.1117/12.2562311.


Cite as: https://hdl.handle.net/21.11116/0000-0009-5088-3
Abstract
The Einstein Probe (EP) is an X-ray astronomical mission mainly devoting to time-domain astronomy. There are two main scientific payloads onboard EP, the Wide Field X-ray Telescope (WXT) based on the lobster eye optics and the Follow-up X-ray Telescope (FXT). FXT contains two Wolter-1 mirrors with a pnCCD detector on each focus. The total effective area is about 600 cm2 and the energy range is 0.3-10 keV. The pnCCD detector cooled by a pulse tube cooler enables high-resolution spectroscopy and imaging combined with excellent time resolution. It will also have several working modes with time resolution ranging from tens of microseconds to 50 milliseconds. Currently, the FXT is in its qualification model phase. The mirror assemblies (STM and TCM) as well as the pnCCD EM module have been manufactured and tested.