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

Drew M. Miles; Randall L. McEntaffer; James Henry Tutt; Logan Baker; Ross McCurdy; Bailey Myers; Bridget O’Meara; Joseph Weston

doi:10.3847/1538-4357/ad58d4

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

Drew M. Miles, Randall L. McEntaffer, James Henry Tutt, Logan Baker, Ross McCurdy, Bailey Myers, Bridget O’Meara, Joseph Weston

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

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 ⪆ 50, from ≈15 to 40 Å over a large field of view (>10 deg²), 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.

Original language	English (US)
Article number	171
Journal	Astrophysical Journal
Volume	971
Issue number	2
DOIs	https://doi.org/10.3847/1538-4357/ad58d4
State	Published - Aug 1 2024

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

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title = "The Rockets for Extended-source X-ray Spectroscopy Instrument Design",

abstract = "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 ⪆ 50, from ≈15 to 40 {\AA} over a large field of view (>10 deg2), 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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AU - Miles, Drew M.

AU - McEntaffer, Randall L.

AU - Tutt, James Henry

AU - Baker, Logan

AU - McCurdy, Ross

AU - Myers, Bailey

AU - O’Meara, Bridget

AU - Weston, Joseph

PY - 2024/8/1

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AB - 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 ⪆ 50, from ≈15 to 40 Å over a large field of view (>10 deg2), 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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The Rockets for Extended-source X-ray Spectroscopy Instrument Design

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