[en] One of the instruments on the Advanced Telescope for High-Energy Astrophysics (Athena) which was one of the three missions under study as one of the L-class missions of ESA, is the X-ray Microcalorimeter Spectrometer (XMS). This instrument, which will provide high-spectral resolution images, is based on X-ray micro-calorimeters with Transition Edge Sensor (TES) and absorbers that consist of metal and semi-metal layers and a multiplexed SQUID readout. The array (32 x 32 pixels) provides an energy resolution of < 3 eV. Due to the large collection area of the Athena optics, the XMS instrument must be capable of processing high counting rates, while maintaining the spectral resolution and a low deadtime. In addition, an anti-coincidence detector is required to suppress the particle-induced background. Compared to the requirements for the same instrument on IXO, the performance requirements have been relaxed to fit into the much more restricted boundary conditions of Athena. In this paper we illustrate some of the science achievable with the instrument. We describe the results of design studies for the focal plane assembly and the cooling systems. Also, the system and its required spacecraft resources will be given.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
den Herder, J. W.; SRON Netherlands Institute for Space Research (Netherlands)
Bagnali, D.; INFN-Physics, Univ. degli Studi di Genova (Italy)
Bandler, S.; NASA Goddard Space Flight Ctr. (United States)
Barbera, M.; INAF, Osservatorio Astronomico di Palermo (Italy)
Barcons, X.; Instituto de Física de Cantabria, CSIC-UC (Spain)
Barret, D.; Institut de Recherche en Astrophysique et Planétologie (France)
Bastia, P.; Thales Alenia Space Italia S.p.A. (Italy)
Bisotti, M.; INFN-Physics, Univ. degli Studi di Genova (Italy)
Boyce, K.; NASA Goddard Space Flight Ctr. (United States)
Cara, C.; Institut de Recherche en Astrophysique et Planétologie (France)
Ceballos, M.; Univ. de Cantabria, CSIC (Spain)
Corcione, L.; INAF, Osservatorio Astronomico di Torino (Italy)
Cobo, B.; Univ. de Cantabria, CSIC (Spain)
Colasanti, L.; INAF/IASF Roma (Italy)
de Plaa, J.; SRON Netherlands Institute for Space Research (Netherlands)
DiPirro, M.; NASA Goddard Space Flight Ctr. (United States)
Doriese, W. B.; National Institute of Standards and Technology (United States)
Ezoe, Y.; Tokyo Metropolitan Univ. (Japan)
Fujimoto, R.; Kanazawa Univ. (Japan)
Gatti, F.; INFN-Physics, Univ. degli Studi di Genova (Italy)
Gottardi, L.; SRON Netherlands Institute for Space Research (Netherlands)
Guttridge, P.; Mullard Space Science Lab. (United Kingdom)
den Hartog, R.; SRON Netherlands Institute for Space Research (Netherlands)
Hepburn, I.; Mullard Space Science Lab. (United Kingdom)
Kelley, R.; NASA Goddard Space Flight Ctr. (United States)
Irwin, K.; National Institute of Standards and Technology (United States)
Ishisaki, Y.; Tokyo Metropolitan Univ. (Japan)
Kilbourne, C.; NASA Goddard Space Flight Ctr. (United States)
de Korte, P. A. J.; SRON Netherlands Institute for Space Research (Netherlands)
van der Kuur, J.; SRON Netherlands Institute for Space Research (Netherlands)
Lotti, S.; INAF/IASF Roma (Italy)
Macculi, C.; INAF/IASF Roma (Italy)
Mitsuda, K.; Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Mineo, T.; INAF/IASF Palermo (Italy)
Natalucci, L.; INAF/IASF Roma (Italy)
Ohashi, T.; Tokyo Metropolitan Univ. (Japan)
Page, M.; Mullard Space Science Lab. (United Kingdom)
Paltani, S.; Univ. of Geneva (Switzerland)
Perinati, E.; INAF/IASF Palermo (Italy)
Piro, L.; INAF/IASF Roma (Italy)
Pigot, C.; Institut de Recherche en Astrophysique et Planétologie (France)
Porter, F. S.; NASA Goddard Space Flight Ctr. (United States)
Rauw, Grégor ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Sciences spatiales
Ravera, L.; Institut de Recherche en Astrophysique et Planétologie (France)
Renotte, Etienne ; Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Sauvageot, J.-L.; Institut de Recherche en Astrophysique et Planétologie (France)
Schmid, C.; Univ. of Erlangen-Nuremberg (Germany)
Sciortino, S.; INAF, Osservatorio Astronomico di Palermo (Italy)
Shirron, P.; NASA Goddard Space Flight Ctr. (United States)
Takei, Y.; Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Torrioli, G.; Istituto di Fotonica e Nanotecnologie, CNR (Italy)
Tsujimoto, M.; Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Valenziano, L.; INAF/IASF Bologna (Italy)
Willingale, D.; Leicester Univ. (United Kingdom)
de Vries, C.; SRON Netherlands Institute for Space Research (Netherlands)
van Weers, H.; SRON Netherlands Institute for Space Research (Netherlands)
Wilms, J.; Univ. of Erlangen-Nuremberg (Germany)
Yamasaki, N. Y.; Institute of Space and Astronautical Science (Japan))
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