The X-ray Integral Field Unit (X-IFU) for Athena

被引：29

作者：

Ravera, Laurent ^{[1
,2
]}

Barret, Didier ^{[1
,2
]}

den Herder, Jan Willem ^{[3
]}

Piro, Luigi ^{[4
]}

Cledassou, Rodolphe ^{[5
]}

Pointecouteau, Etienne ^{[1
,2
]}

Peille, Philippe ^{[1
,2
]}

Pajot, Francois ^{[1
,2
,6
]}

Arnaud, Monique ^{[7
]}

Pigot, Claude ^{[7
]}

Duband, Lionel ^{[8
]}

Cara, Christophe ^{[7
]}

den Hartog, Roland H. ^{[3
]}

Gottardi, Luciano ^{[3
]}

Akamatsu, Hiroki ^{[3
]}

van der Kuur, Jan ^{[3
]}

van Weers, Henk J. ^{[3
]}

de Plaa, Jelle ^{[3
]}

Macculi, Claudio ^{[4
]}

Lotti, Simone ^{[4
]}

Torrioli, Guido ^{[9
]}

Gatti, Flavio ^{[10
]}

Valenziano, Luca ^{[11
]}

Barbera, Marco ^{[12
]}

Barcons, Xavier ^{[13
]}

Teresa Ceballos, Maria ^{[13
]}

Fabrega, Lourdes ^{[14
]}

Miguel Mas-Hesse, Jose ^{[15
]}

Page, Mathew J. ^{[16
]}

Guttridge, Phillip R. ^{[16
]}

Willingale, Richard ^{[17
]}

Paltani, Stephane ^{[18
]}

Genolet, Ludovic ^{[18
]}

Bozzo, Enrico ^{[18
]}

Rauw, Gregor ^{[19
]}

Renotte, Etienne ^{[19
]}

Wilms, Joern ^{[20
]}

Schmid, Christian ^{[20
]}

机构：

[1] Univ Toulouse, UPS OMP IRAP, Toulouse, France

[2] CNRS, IRAP, F-31028 Toulouse 4, France

[3] SRON, NL-3584 CA Utrecht, Netherlands

[4] INAF IAPS Roma, I-00133 Rome, Italy

[5] CNES, F-31401 Toulouse 9, France

[6] Ctr Univ Orsay, IAS, F-91405 Orsay, France

[7] CEA, IRFU, F-91191 Gif Sur Yvette, France

[8] CEA Grenoble, INAC SBT, F-38054 Grenoble 9, France

[9] CNR, IFN Roma, I-00156 Rome, Italy

[10] Univ Genoa, Dept Phys, Ist Nazl Fis Nucl, I-16146 Genoa, Italy

[11] INAF IASF Bologna, I-40129 Bologna, Italy

[12] Univ Palermo, I-90123 Palermo, Italy

[13] IFCA CSIC UC, Santander 39005, Spain

[14] Campus Univ Autonoma Barcelona, ICMAB CSIC, Bellaterra 08193, Spain

[15] CAB CSIC INTA, Madrid 28691, Spain

[16] Univ Coll London, Mullard Space Sci Lab, Dorking RH5 6NT, Surrey, England

[17] Univ Leicester, Leicester LE1 7RH, Leics, England

[18] Univ Geneva, CH-1290 Versoix, Switzerland

[19] Univ Liege, B-4000 Liege, Belgium

[20] Univ Erlangen Nurnberg, D-96049 Bamberg, Germany

来源：

SPACE TELESCOPES AND INSTRUMENTATION 2014: ULTRAVIOLET TO GAMMA RAY | 2014年 / 9144卷

关键词：

X-ray; missions; micro-calorimeter; Athena;

D O I：

10.1117/12.2055884

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Athena is designed to implement the Hot and Energetic Universe science theme selected by the European Space Agency for the second large mission of its Cosmic Vision program. The Athena science payload consists of a large aperture high angular resolution X-ray optics (2 m(2) at 1 keV) and twelve meters away, two interchangeable focal plane instruments: the X-ray Integral Field Unit (X-IFU) and the Wide Field Imager. The X-IFU is a cryogenic X-ray spectrometer, based on a large array of Transition Edge Sensors (TES), offering 2.5 eV spectral resolution, with similar to 5" pixels, over a field of view of 5' in diameter. In this paper, we present the X-IFU detector and readout electronics principles, some elements of the current design for the focal plane assembly and the cooling chain. We describe the current performance estimates, in terms of spectral resolution, effective area, particle background rejection and count rate capability. Finally, we emphasize on the technology developments necessary to meet the demanding requirements of the X-IFU, both for the sensor, readout electronics and cooling chain.

引用

页数：13

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