Pushing the boundaries of x-ray grating spectroscopy in a suborbital rocket

Casey DeRoo; Randall L McEntaffer; Ted Schultz; William W Zhang; Neil J Murray; Stephen L O'Dell; Webster Cash

doi:10.1117/12.2022244

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Conference proceeding

Pushing the boundaries of x-ray grating spectroscopy in a suborbital rocket

Casey DeRoo, Randall L McEntaffer, Ted Schultz, William W Zhang, Neil J Murray, Stephen L O'Dell and Webster Cash

Proceedings of SPIE - The International Society for Optical Engineering, Vol.8861, pp.88611B-88611B-11

09/26/2013

DOI: 10.1117/12.2022244

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Abstract

The Off-Plane Grating Rocket Experiment (OGRE) will greatly advance the current capabilities of soft X-ray grating spectroscopy and provide an important technological bridge towards future X-ray observatories. The OGRE sounding rocket will fly an innovative X-ray spectrograph operating at resolving powers of R ~ 2000 and effective areas < 100 cm2 in the 0.2–1.5 keV bandpass. This represents a factor of two improvement in spectral resolution over currently operating instruments. OGRE will observe the astrophysical X-ray calibration source Capella, which has a linedominated spectrum and will showcase the full capabilities of the OGRE spectrograph. We outline the mission design for OGRE and provide detailed overviews of relevant technologies to be integrated into the payload, including slumped glass mirrors, blazed reflection gratings customized for the off-plane mount, and electron-multiplying CCDs (EMCCDs). The OGRE mission will bring these components to a high technology readiness level, paving the way for the use of such a spectrograph on future X-ray observatories or Explorer-class missions.

Details

Title: Subtitle: Pushing the boundaries of x-ray grating spectroscopy in a suborbital rocket
Creators: Casey DeRoo - University of Iowa
Randall L McEntaffer - University of Iowa
Ted Schultz - University of Iowa
William W Zhang - Goddard Space Flight Center
Neil J Murray - The Open University
Stephen L O'Dell - NASA Marshall Space Flight Ctr. (United States)
Webster Cash - University of Colorado Boulder
Contributors: Stephen L O'Dell (Editor) - NASA Marshall Space Flight Ctr. (United States)
Giovanni Pareschi (Editor) - INAF - Osservatorio Astronomico di Brera (Italy)
Resource Type: Conference proceeding
Publication Details: Proceedings of SPIE - The International Society for Optical Engineering, Vol.8861, pp.88611B-88611B-11
DOI: 10.1117/12.2022244
ISSN: 0277-786X
eISSN: 1996-756X
Publisher: SPIE
Language: English
Date published: 09/26/2013
Academic Unit: Physics and Astronomy; University College Courses
Record Identifier: 9984200055602771

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