Ground test results of the electromagnetic interference for the x-ray microcalorimeter
onboard XRISM

Miki Kurihara; Masahiro Tsujimoto; Megan E. Eckart; Caroline A. Kilbourne; Frederick T. Matsuda; Brian McLaughlin; Shugo Oguri; Frederick S. Porter; Yoh Takei; Yoichi Kochibe

doi:10.1117/12.2627632

31 August 2022 Ground test results of the electromagnetic interference for the x-ray microcalorimeter onboard XRISM

Miki Kurihara, Masahiro Tsujimoto, Megan E. Eckart, Caroline A. Kilbourne, Frederick T. Matsuda, Brian McLaughlin, Shugo Oguri, Frederick S. Porter, Yoh Takei, Yoichi Kochibe

Author Affiliations +

Proceedings Volume 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray; 121815W (2022) https://doi.org/10.1117/12.2627632
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

Electromagnetic interference (EMI) for low-temperature detectors is a serious concern in many missions. We investigate the EMI caused by the spacecraft components to the x-ray microcalorimeter of the Resolve instrument onboard the X-Ray Imaging and Spectroscopy Mission (XRISM), which is currently under development by an international collaboration and is planned to be launched in 2023. We focus on the EMI from (a) the low-frequency magnetic field generated by the magnetic torquers used for the spacecraft attitude control and (b) the radio-frequency (RF) electromagnetic field generated by the s and x band antennas used for communication between the spacecraft and the ground stations. We executed a series of ground tests both at the instrument and spacecraft levels using the flight model hardware in 2021–2022 in a JAXA facility in Tsukuba. We also conducted electromagnetic simulations partially using the Fugaku high-performance computing facility. The magnetic torquers were found to couple with the microcalorimeter, but there is no evidence that the resultant degradation is beyond the current allocation of noise budget. The RF communication system was found to leave no significant effect. We present the result of the tests and simulation in this article.

Citation Download Citation

Miki Kurihara, Masahiro Tsujimoto, Megan E. Eckart, Caroline A. Kilbourne, Frederick T. Matsuda, Brian McLaughlin, Shugo Oguri, Frederick S. Porter, Yoh Takei, and Yoichi Kochibe "Ground test results of the electromagnetic interference for the x-ray microcalorimeter onboard XRISM", Proc. SPIE 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, 121815W (31 August 2022); https://doi.org/10.1117/12.2627632

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