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Proceedings Paper

Athena Wide Field Imager key science drivers
Author(s): Arne Rau; Kirpal Nandra; James Aird; Andrea Comastri; Thomas Dauser; Andrea Merloni; Gabriel W. Pratt; Thomas H. Reiprich; Andy C. Fabian; Antonis Georgakakis; Manuel Güdel; Agata Różańska; Jeremy S. Sanders; Manami Sasaki; Simon Vaughan; Jörn Wilms; Norbert Meidinger
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Paper Abstract

The Wide Field Imager (WFI) is one of two instruments for the Advanced Telescope for High-ENergy Astrophysics (Athena). In this paper we summarise three of the many key science objectives for the WFI { the formation and growth of supermassive black holes, non-gravitational heating in clusters of galaxies, and spin measurements of stellar mass black holes { and describe their translation into the science requirements and ultimately instrument requirements. The WFI will be designed to provide excellent point source sensitivity and grasp for performing wide area surveys, surface brightness sensitivity, survey power, and absolute temperature and density calibration for in-depth studies of the outskirts of nearby clusters of galaxies and very good high-count rate capability, throughput, and low pile-up, paired with very good spectral resolution, for detailed explorations of bright Galactic compact objects.

Paper Details

Date Published: 11 July 2016
PDF: 11 pages
Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 99052B (11 July 2016); doi: 10.1117/12.2235268
Show Author Affiliations
Arne Rau, Max Planck Institute for extraterrestrial Physics (Germany)
Kirpal Nandra, Max Planck Institute for extraterrestrial Physics (Germany)
James Aird, Univ. of Cambridge (United Kingdom)
Andrea Comastri, INAF Osservatorio Astronomico di Bologna (Italy)
Thomas Dauser, Remeis Observatory and ECAP, Univ. Erlangen-Nürnberg (Germany)
Andrea Merloni, Max Planck Institute for extraterrestrial Physics (Germany)
Gabriel W. Pratt, Lab. AIM, IRFU/Service d'Astrophysique (France)
Univ. Paris Diderot (France)
Thomas H. Reiprich, Bonn Univ. (Germany)
Andy C. Fabian, Univ. of Cambridge (United Kingdom)
Antonis Georgakakis, Max Planck Institute for extraterrestrial Physics (Germany)
Manuel Güdel, Univ. Vienna (Austria)
Agata Różańska, N. Copernicus Astronomical Ctr. (Poland)
Jeremy S. Sanders, Max Planck Institute for extraterrestrial Physics (Germany)
Manami Sasaki, Univ. Tübingen (Germany)
Simon Vaughan, Univ. of Leicester (United Kingdom)
Jörn Wilms, Remeis Observatory and ECAP, Univ. Erlangen-Nürnberg (Germany)
Norbert Meidinger, Max Planck Institute for extraterrestrial Physics (Germany)


Published in SPIE Proceedings Vol. 9905:
Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray
Jan-Willem A. den Herder; Tadayuki Takahashi; Marshall Bautz, Editor(s)

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