The focal plane camera for the Off-plane Grating Rocket Experiment

Daniel A. R. Evan; Andrew D. Holland; James Endicott; Karen Holland; David Gopinath; James H. Tutt; Randall L. McEntaffer

doi:10.1117/12.2637135

29 August 2022 The focal plane camera for the Off-plane Grating Rocket Experiment

Daniel A. R. Evan, Andrew D. Holland, James Endicott, Karen Holland, David Gopinath, James H. Tutt, Randall L. McEntaffer

Author Affiliations +

Proceedings Volume 12191, X-Ray, Optical, and Infrared Detectors for Astronomy X; 1219115 (2022) https://doi.org/10.1117/12.2637135
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

The Off-plane Grating Rocket Experiment (OGRE) is a sounding rocket mission which aims to raise the technology readiness levels of three new technologies for soft X-ray astronomy, as well as produce the highest resolution spectrum of Capella yet. This paper focusses on the focal plane camera of the telescope which employs four electron-multiplying CCDs – three for spectral observations and one for imaging observations. The camera and its detectors will switch between two different operating modes during the observation window to maximise the scientific return of the mission, all while transmitting live telemetry and a limited amount of imagery data to the ground in real time. The energy resolution of the detectors has been modelled across the intended operational energy range to confirm whether diffraction orders can be separated, and the dependency of the multiplication gain on voltage and temperature has been characterised for each detector.

Conference Presentation

Citation Download Citation

Daniel A. R. Evan, Andrew D. Holland, James Endicott, Karen Holland, David Gopinath, James H. Tutt, and Randall L. McEntaffer "The focal plane camera for the Off-plane Grating Rocket Experiment", Proc. SPIE 12191, X-Ray, Optical, and Infrared Detectors for Astronomy X, 1219115 (29 August 2022); https://doi.org/10.1117/12.2637135

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