The Off-plane Grating Rocket Experiment (OGRE) system overview

Tutt, James H.; McEntaffer, Randall L.; Donovan, Benjamin D.; Schultz, Ted B.; Biskach, Michael P.; Chan, Kai-Wing; Kearney, John D.; Mazzarella, James R.; McClelland, Ryan S.; Riveros, Raul E.; Saha, Timo T.; Hlinka, Michal; Zhang, William W.; Soman, Matthew R.; Holland, Andrew D.; Lewis, Matthew R.; Holland, Karen and Murray, Neil J. (2018). The Off-plane Grating Rocket Experiment (OGRE) system overview. In: Proc. SPIE 10699, Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray (den Herder, Jan-Willem A.; Nikzad, Shouleh and Nakazawa, Kazuhiro eds.), article no. 106996H.

DOI: https://doi.org/10.1117/12.2311813

Abstract

The Off-plane Grating Rocket Experiment (OGRE) is a sub-orbital rocket payload that will make the highest spectral resolution astronomical observation of the soft X-ray Universe to date. Capella, OGRE’s science target, has a well-defined line emission spectrum and is frequently used as a calibration source for X-ray observatories such as Chandra. This makes Capella an excellent target to test the technologies on OGRE, many of which have not previously flown. Through the use of state-of-the-art X-ray optics, co-aligned arrays of off-plane reflection gratings, and an X-ray camera based around four Electron Multiplying CCDs, OGRE will act as a proving ground for next generation X-ray spectrometers.

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