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Published January 1, 2022 | Version v1
Conference paper Open

The Wide Field Monitor onboard the Chinese-European X-ray mission eXTP

Creators

  • 1. Tech Univ Denmark, DTU Space, Lyngby, Denmark
  • 2. SRON Netherlands Inst Space Res, NL-2333 CA Leiden, Netherlands
  • 3. Univ Paris Saclay, CEA, IRFU, F-91191 Gif Sur Yvette, France
  • 4. Univ Tubingen, IAAT, D-72076 Tubingen, Germany
  • 5. INFN Trieste, I-34127 Trieste, Italy
  • 6. Polish Acad Sci, Space Res Ctr, CBK, PL-00716 Warsaw, Poland
  • 7. Sabanci Univ, Fac Engn & Nat Sci, TR-34956 Istanbul, Turkey
  • 8. TUBITAK UZAY Space Technol Res Inst, Ankara, Turkey

Description

The eXTP (enhanced X-ray Timing and Polarimetry) mission is a major project of the Chinese Academy of Sciences (CAS), with a large involvement of Europe. The scientific payload of eXTP includes four instruments: the SFA (Spectroscopy Focusing Array) and the PFA (Polarimetry Focusing Array) - led by China - the LAD (Large Area Detector) and the WFM (Wide Field Monitor) - led by Europe (Italy and Spain). They offer a unique simultaneous wide-band X-ray timing and polarimetry sensitivity. The WFM is a wide field X-ray monitor instrument in the 2-50 keV energy range, consisting of an array of six coded mask cameras with a field of view of 180 degrees x90 degrees at an angular resolution of 5 arcmin and 4 silicon drift detectors in each camera. Its unprecedented combination of large field of view and imaging down to 2 keV will allow eXTP to make important discoveries of the variable and transient X-ray sky and is essential in detecting transient black holes, that are part of the primary science goals of eXTP, so that they can be promptly followed up with other instruments on eXTP and elsewhere.

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