Calibration of the MaGIXS experiment I: Calibration of the X-ray source at the X-ray and Cryogenic Facility (XRCF)

Athiray, P. S.; Winebarger, Amy R.; Champey, Patrick; Kobayashi, Ken; Vigil, Genevieve D.; Haight, Harlan; Johnson, Steven; Bethge, Christian; Rachmeler, Laurel A.; Savage, Sabrina; Beabout, Brent; Beabout, Dyana; Hogue, William; Guillory, Anthony; Siler, Richard; Wright, Ernest; Kegley, Jeffrey

doi:10.3847/1538-4357/abc268

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Calibration of the MaGIXS experiment I: Calibration of the X-ray source at the X-ray and Cryogenic Facility (XRCF)

2020
By Athiray, P. S. ; Winebarger, Amy R. ; Champey, Patrick ; ...
Source: The Astrophysical Journal, 905:66 (8pp)

[PDF-1.17 MB]

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The Astrophysical Journal
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Athiray, P. S. ; Winebarger, Amy R. ; Champey, Patrick ; Kobayashi, Ken ; Vigil, Genevieve D. ; ... More +

Athiray, P. S. ; Winebarger, Amy R. ; Champey, Patrick ; Kobayashi, Ken ; Vigil, Genevieve D. ; Haight, Harlan ; Johnson, Steven ; Bethge, Christian ; Rachmeler, Laurel A. ; Savage, Sabrina ; Beabout, Brent ; Beabout, Dyana ; Hogue, William ; Guillory, Anthony ; Siler, Richard ; Wright, Ernest ; Kegley, Jeffrey Less -
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NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information)

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information) Less -
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The Marshall Grazing Incidence Spectrometer (MaGIXS) is a sounding rocket experiment that will observe the soft X-ray spectrum of the Sun from 24 to 6.0 Å (0.5–2.0 keV) and is scheduled for launch in 2021. Component- and instrument-level calibrations for the MaGIXS instrument are carried out using the X-ray and Cryogenic Facility (XRCF) at NASA Marshall Space Flight Center. In this paper, we present the calibration of the incident X-ray flux from the electron impact source with different targets at the XRCF using a CCD camera; the photon flux at the CCD was low enough to enable its use as a "photon counter," i.e., the ability to identify individual photon hits and calculate their energy. The goal of this paper is two-fold: (1) to confirm that the flux measured by the XRCF beam normalization detectors is consistent with the values reported in the literature and therefore reliable for MaGIXS calibration and (2) to develop a method of counting photons in CCD images that best captures their number and energy.
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Corona Data Analysis Methods Sun X-rays
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The Astrophysical Journal, 905:66 (8pp)
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https://doi.org/10.3847/1538-4357/abc268
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Journal Article
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urn:sha256:5253b8cd93e3f37b83605ee25e90f0cb8f79a96c657b18ce65a9a54ac7106f8f
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Calibration of the MaGIXS experiment I: Calibration of the X-ray source at the X-ray and Cryogenic Facility (XRCF)

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