Počet záznamů: 1
The Athena X-ray Integral Field Unit: a consolidated design for the system requirement review of the preliminary definition phase
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SYSNO ASEP 0571490 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název The Athena X-ray Integral Field Unit: a consolidated design for the system requirement review of the preliminary definition phase Tvůrce(i) Barret, B. (FR)
Albouys, V. (FR)
den Herder, J.W. (NL)
Svoboda, Jiří (ASU-R) RID, ORCID
Souček, Jan (UFA-U) RID, ORCID
Boorman, Peter G. (ASU-R) ORCIDCelkový počet autorů 303 Zdroj.dok. Experimental Astronomy. - : Springer - ISSN 0922-6435
Roč. 55, č. 2 (2023), s. 373-426Poč.str. 54 s. Forma vydání Online - E Jazyk dok. eng - angličtina Země vyd. DE - Německo Klíč. slova Advanced Telescope for High Energy Astrophysics ; space instrumentation ; X-rays ; observatory Vědní obor RIV BN - Astronomie a nebeská mechanika, astrofyzika Obor OECD Astronomy (including astrophysics,space science) Způsob publikování Omezený přístup Institucionální podpora ASU-R - RVO:67985815 ; UFA-U - RVO:68378289 UT WOS 000928356800001 EID SCOPUS 85151226323 DOI 10.1007/s10686-022-09880-7 Anotace The Athena X-ray Integral Unit (X-IFU) is the high resolution X-ray spectrometer studied since 2015 for flying in the mid-30s on the Athena space X-ray Observatory. Athena is a versatile observatory designed to address the Hot and Energetic Universe science theme, as selected in November 2013 by the Survey Science Committee. Based on a large format array of Transition Edge Sensors (TES), X-IFU aims to provide spatially resolved X-ray spectroscopy, with a spectral resolution of 2.5 eV (up to 7 keV) over a hexagonal field of view of 5 arc minutes (equivalent diameter). The X-IFU entered its System Requirement Review (SRR) in June 2022, at about the same time when ESA called for an overall X-IFU redesign (including the X-IFU cryostat and the cooling chain), due to an unanticipated cost overrun of Athena. In this paper, after illustrating the breakthrough capabilities of the X-IFU, we describe the instrument as presented at its SRR (i.e. in the course of its preliminary definition phase, so-called B1), browsing through all the subsystems and associated requirements. We then show the instrument budgets, with a particular emphasis on the anticipated budgets of some of its key performance parameters, such as the instrument efficiency, spectral resolution, energy scale knowledge, count rate capability, non X-ray background and target of opportunity efficiency. Finally, we briefly discuss the ongoing key technology demonstration activities, the calibration and the activities foreseen in the X-IFU Instrument Science Center, touch on communication and outreach activities, the consortium organisation and the life cycle assessment of X-IFU aiming at minimising the environmental footprint, associated with the development of the instrument. Thanks to the studies conducted so far on X-IFU, it is expected that along the design-to-cost exercise requested by ESA, the X-IFU will maintain flagship capabilities in spatially resolved high resolution X-ray spectroscopy, enabling most of the original X-IFU related scientific objectives of the Athena mission to be retained. The X-IFU will be provided by an international consortium led by France, The Netherlands and Italy, with ESA member state contributions from Belgium, Czech Republic, Finland, Germany, Poland, Spain, Switzerland, with additional contributions from the United States and Japan. Pracoviště Astronomický ústav Kontakt Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326 Rok sběru 2024 Elektronická adresa https://doi.org/10.1007/s10686-022-09880-7
Počet záznamů: 1