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

Margarita Hernanz*, Søren Brandt, Jeanint Zand, Yuri Evangelista, Aline Meuris, Chris Tenzer, Gianluigi Zampa, Piotr Orleanski, Emrah Kalemci, Müberra Sungur, Stéphane Schanne, Frans Zwart, Rob de la Rie, Phillip Laubert, Coen van Baren, Gabby Aitink-Kroes, Lucien Kuiper, Jörg Bayer, Paul Hedderman, Samuel PliegoHao Xiong, Riccardo Campana, Ettore del Monte, Marco Feroci, Francesco Ceraudo, Olivier Gevin, Irfan Kuvvetli, Denis Tcherniak, Konrad Skup, Malgorzata Michalska, Witold Nowosielski, Ander Hormaetxe, José Luis Gálvez, Patrícia Ferrés, Alessandro Patruno, Walter Bonvicini, Matias Antonelli, Mirko Boezio, Daniela Cirrincione, Riccardo Munini, Alexandre Rachevski, Andrea Vacchi, Nicola Zampa, Irina Rashevskaya, Andrea Argan, Onur Turhan, Ayhan Bozkurt, Ahmet Onat, Enrico Bozzo, Andrea Santangelo, Shuang Nan Zhang, Fangjun Lu, Yupeng Xu

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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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 180ºx90ºat 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.

Original languageEnglish
Title of host publicationProceedings of SPIE : Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray
EditorsJan-Willem A. den Herder, Shouleh Nikzad, Kazuhiro Nakazawa
Number of pages15
PublisherSPIE - International Society for Optical Engineering
Publication date2022
Article number121811Y
ISBN (Electronic)9781510653436
Publication statusPublished - 2022
EventSpace Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray - Montréal, Canada
Duration: 17 Jul 202222 Jul 2022


ConferenceSpace Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray
Internet address
SeriesProceedings of SPIE - The International Society for Optical Engineering


  • Coded mask imaging
  • Compact objects: black holes
  • Gamma-ray bursts
  • Gravitational wave events
  • Neutron stars and white dwarfs
  • Silicon drift detectors
  • X-ray bursts
  • X-ray spectroscopy
  • X-ray timing


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