Athena+: The first Deep Universe X-ray Observatory
Barret, D. · Nandra, K. · Barcons, X. · Fabian, A · Herder, J-W den · Piro, L. · Watson, M. · Aird, J. · Branduardi-Raymont, G. · Cappi, M. · Carrera, F. · Comastri, A. · Costantini, E. · Croston, J. · Decourchelle, A. · Done, C. · Dovciak, M. · Ettori, S. · Finoguenov, A. · Georgakakis, A. · Jonker, P. · Kaastra, J. · Matt, G. · Motch, C. · O'Brien, P. · Pareschi, G. · Pointecouteau, E. · Pratt, G. · Rauw, G. · Reiprich, T. · Sanders, J. · Sciortino, S. · Willingale, R. · Wilms, J.
الأصل · EN
The Advanced Telescope for High-energy Astrophysics (Athena+) is being proposed to ESA as the L2 mission (for a launch in 2028) and is specifically designed to answer two of the most pressing questions for astrophysics in the forthcoming decade: How did ordinary matter assemble into the large scale structures we see today? and how do black holes grow and shape the Universe? For addressing these two issues, Athena+ will provide transformational capabilities in terms of angular resolution, effective area, spectral resolution, grasp, that will make it the most powerful X-ray observatory ever flown. Such an observatory, when opened to the astronomical community, will be used for virtually all classes of astrophysical objects, from high-z gamma-ray bursts to the closest planets in our solar neighborhood. In this paper, we briefly review the core science objectives of Athena+, present the science requirements and the foreseen implementation of the mission, and illustrate its transformational capabilities compared to existing facilities.
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