Initial ground calibration of the Resolve detector system on XRISM

Frederick S. Porter; Megan E. Eckart; Maurice Leutenegger; Tomomi Watanabe; Caroline Kilbourne; Richard L. Kelley; Michaell Witthoeft; Renata S. Cumbee; Makoto Sawada; Natalie Hell; Gregory V. Brown; Yoshitaka Ishisaki; Shinya Yamada

doi:10.1117/12.2561477

13 December 2020 Initial ground calibration of the Resolve detector system on XRISM

Frederick S. Porter, Megan E. Eckart, Maurice Leutenegger, Tomomi Watanabe, Caroline Kilbourne, Richard L. Kelley, Michaell Witthoeft, Renata S. Cumbee, Makoto Sawada, Natalie Hell, Gregory V. Brown, Yoshitaka Ishisaki, Shinya Yamada

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Proceedings Volume 11444, Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray; 1144424 (2020) https://doi.org/10.1117/12.2561477
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Abstract

The Resolve detector system is calibrated on the ground in three stages: at the focal plane assembly, at the calorimeter spectrometer insert, and at the full instrument level. We have just completed the first two stages and have measured the detailed core line shape and spectral redistribution functions, by pixel, and as a function of energy. In addition, we have measured the energy scale function that translates instrument units into spectral units, by pixel, and as a function of detector heat sink temperature. We discuss the results of the Resolve calibration program to date as well as implications for the calibration of future high resolution x-ray spectrometers.

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Frederick S. Porter, Megan E. Eckart, Maurice Leutenegger, Tomomi Watanabe, Caroline Kilbourne, Richard L. Kelley, Michaell Witthoeft, Renata S. Cumbee, Makoto Sawada, Natalie Hell, Gregory V. Brown, Yoshitaka Ishisaki, and Shinya Yamada "Initial ground calibration of the Resolve detector system on XRISM", Proc. SPIE 11444, Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray, 1144424 (13 December 2020); https://doi.org/10.1117/12.2561477

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