The Rockets for Extended-source X-ray Spectroscopy Instrument Design

被引:1
作者
Miles, Drew M. [1 ]
McEntaffer, Randall L. [2 ]
Tutt, James H. [2 ]
Baker, Logan [2 ]
McCurdy, Ross [2 ]
Myers, Bailey [2 ]
O'Meara, Bridget [2 ]
Weston, Joseph [2 ]
机构
[1] CALTECH, 253-37 Caltech, Pasadena, CA 91106 USA
[2] Penn State Univ, 525 Davey Lab, University Pk, PA 16802 USA
关键词
CYGNUS LOOP; LARGE-FORMAT; ABUNDANCE INHOMOGENEITY; DIFFRACTION EFFICIENCY; GRATING SPECTROMETER; CHARGE-EXCHANGE; REFLECTION; TRANSMISSION; PERFORMANCE; RESOLUTION;
D O I
10.3847/1538-4357/ad58d4
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The Rockets for Extended-source X-ray Spectroscopy (tREXS) are a series of suborbital rocket payloads designed to collect spectral emission from extended astronomical sources of soft X-rays. The tREXS spectrograph uses mechanical beam-shaping modules and reflection gratings to passively focus and then disperse incident X-rays to an array of Teledyne/e2v CIS 113 CMOS X-ray sensors. Designed to achieve a moderate spectral resolution, R greater than or similar to 50, from approximate to 15 to 40 angstrom over a large field of view (>10 deg(2)), the tREXS instrument is sensitive to line emission from key ion species over the soft-X-ray band. Here we present the complete end-to-end design of the tREXS spectrograph and discuss its significance and expected performance, using simulated observations of the Cygnus Loop supernova remnant and an enhanced region in the soft X-ray background.
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页数:14
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