《Table 4 The WFM main parameters and performance》

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《The enhanced X-ray Timing and Polarimetry mission—eXTP》

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The WFM is based on three pairs of coded mask cameras equipped with position-sensitive SDDs，covering 4.1 sr（～33%）of the sky and operating in the energy range 2-50 keV[50].The effective FoV of each camera pair is～70?×70?and～90?×90?at zero response.The peak sensitivity is reached along the LAD pointing direction.The energy resolution is～300 eV at 6 keV，and the absolute time accuracy is 1μs.Pairs of two orthogonal cameras are combined to obtain accurate 2D positions of the monitored sources.The three camera pairs（six cameras in total）are arranged in a baseline configuration of-60?，0?，60?as shown in Figure 24.The WFM main parameters and anticipated performance are listed in Table 4.