Published July 24, 2014
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Inflight performance and calibration of the NuSTAR CdZnTe pixel detectors
Abstract
The Nuclear Spectroscopic Telescope Array (NuSTAR) satellite is a NASA Small Explorer mission designed to operate the first focusing high-energy X-ray (3-79 keV) telescope in orbit. Since the launch in June 2012, all the NuSTAR components have been working normally. The focal plane module is equipped with an 155Eu radioactive source to irradiate the CdZnTe pixel detectors for independent calibration separately from optics. The inflight spectral calibration of the CdZnTe detectors is performed with the onboard 155Eu source. The derived detector performance agrees well with ground-measured data. The in-orbit detector background rate is stable and the lowest among past high-energy X-ray instruments.
Additional Information
© 2014 Society of Photo-Optical Instrumentation Engineers (SPIE). Date Published: 24 July 2014. This work was supported under NASA Contract No. NNG08FD60C, and made use of data from the NuSTAR mission, a project led by the California Institute of Technology, managed by the Jet Propulsion Laboratory, and funded by the National Aeronautics and Space Administration. We thank the NuSTAR Operations, Software and Calibration teams for support with the execution and analysis of these observations. This research has made use of the NuSTAR Data Analysis Software (NuSTARDAS) jointly developed by the ASI Science Data Center (ASDC, Italy) and the California Institute of Technology (USA). T.K. was supported by Japan Society for the Promotion of Science (JSPS) Grant-in-Aid for Young Scientists (B) (No. 24740185).Attached Files
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Additional details
- Eprint ID
- 58269
- Resolver ID
- CaltechAUTHORS:20150616-083335514
- NASA
- NNG08FD60C
- NASA/Caltech/JPL
- Japan Society for the Promotion of Science (JSPS)
- 24740185
- Created
-
2015-06-16Created from EPrint's datestamp field
- Updated
-
2021-11-10Created from EPrint's last_modified field
- Caltech groups
- NuSTAR, Space Radiation Laboratory
- Series Name
- Proceedings of SPIE
- Series Volume or Issue Number
- 9144
- Other Numbering System Name
- Space Radiation Laboratory
- Other Numbering System Identifier
- 2014-42