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6 October 2023 X-ray testing of an Athena SPO module at the NASA/MSFC X-ray and Cryogenic Facility (XRCF)
Wayne H. Baumgartner, Kristin Madsen, Vadim Burwitz, Ernie Wright, Steven Johnson, Jeff Kegley, Nicholas Thomas, James Tucker, Gregory Daspit
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Proceedings Volume 12679, Optics for EUV, X-Ray, and Gamma-Ray Astronomy XI; 126790Z (2023) https://doi.org/10.1117/12.2681740
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
NASA / MSFC has been preparing for X-ray calibration of the large optic for the future ESA Athena mission at the 500 meter XRCF beamline. Improvements include new facility X-ray detectors (Six Amptek C2 window SDDs and a PI-MTE3 4k CCD camera), stages, and verification of the facility's operation to the level reached for the ground calibration of the Chandra X-ray telescope. The XRCF 1.5 meter beam size requires that a flight Athena optic be calibrated by combining measurements from the six individual sub-sectors of the full optic. New XRCF capabilities for the Athena measurement include the ability to measure 12 meter focal length optics with the focal point not co-linear with the facility optical axis. As part of these preparations, in January 2023 we tested an SPO module at the XRCF, aligning the optic in the facility and measuring the point spread function and effective area at two separate energies. Our results agree well with previous measurements of this module taken at the MPE PANTER X-ray beamline. We present a synopsis of the XRCF facility and its X-ray testing equipment, results from the XRT#4 testing campaign in January 2023, and show that the XRCF is currently capable of testing and calibrating large optics for the next generation of flagship and probe class X-ray observatories.
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Wayne H. Baumgartner, Kristin Madsen, Vadim Burwitz, Ernie Wright, Steven Johnson, Jeff Kegley, Nicholas Thomas, James Tucker, and Gregory Daspit "X-ray testing of an Athena SPO module at the NASA/MSFC X-ray and Cryogenic Facility (XRCF)", Proc. SPIE 12679, Optics for EUV, X-Ray, and Gamma-Ray Astronomy XI, 126790Z (6 October 2023); https://doi.org/10.1117/12.2681740
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KEYWORDS
X-rays
Cryogenics
Calibration
Optical calibration
X-ray optics
Optical alignment
Point spread functions
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