The atmospheric X-ray imaging spectrometer (AXIS) instrument: Quantifying energetic particle precipitation through bremsstrahlung X-ray imaging

被引:4
作者
Berland, G. D. [1 ]
Marshall, R. A. [1 ]
Martin, C. [1 ]
Buescher, J. [1 ]
Kohnert, R. A. [2 ]
Boyajian, S. [2 ]
Cully, C. M. [3 ]
McCarthy, M. P. [4 ]
Xu, W. [1 ]
机构
[1] Univ Colorado Boulder, Aerosp Engn Sci, Boulder, CO 80303 USA
[2] Univ Colorado Boulder, Lab Atmospher & Space Phys LASP, Boulder, CO 80303 USA
[3] Univ Calgary, Dept Phys & Astron, Calgary, AB T2N 1N4, Canada
[4] Univ Washington Seattle, Dept Earth & Space Sci, Seattle, WA 98195 USA
关键词
ELECTRON-PRECIPITATION; RADIATION; SIMULATION; SPECTRUM; LOSSES;
D O I
10.1063/5.0127272
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The Atmospheric X-ray Imaging Spectrometer (AXIS) described in this work is a compact, wide field-of-view, hard x-ray imager. The AXIS instrument will fly onboard the Atmospheric Effects of Precipitation through Energetic X-rays (AEPEX) 6U CubeSat mission and will measure bremsstrahlung x-ray photons in the 50-240 keV range with cadmium-zinc-telluride (CZT) detectors using coded aperture optics. AXIS will measure photons generated by energetic particle precipitation for the purpose of determining the spatial scales of precipitation and estimating electron precipitation characteristics. This paper describes the design and testing of the AXIS instrument, including a summary of simulations performed that motivate the shielding, optics, and mechanical design. Testing and characterization is reported that validates the instrument design and shows that the instrument design meets or exceeds the measurement requirements necessary for AEPEX mission success.
引用
收藏
页数:19
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