X-ray spectrometer spectrograph telescope system

Details X-ray spectrometer spectrograph telescope system X-ray spectrometer spectrograph telescope system

Jan 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979spie..184..270b&link_type=abstract

In: Space optics: Imaging X-ray optics workshop; Proceedings of the Seminar, Huntsville, Ala., May 22-24, 1979. (A80-17469 05-89

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Rocket-Borne Instruments, Solar Corona, X Ray Spectroscopy, X Ray Telescopes, Mirrors, Optical Measuring Instruments, Solar Physics, Sounding Rockets, Spectrographs

Scientific paper

A new sounding rocket payload that has been developed for X-ray spectroscopic studies of the solar corona is described. The instrument incorporates a grazing incidence Rowland mounted grating spectrograph and an extreme off-axis paraboloic sector feed system to isolate regions of the sun of order 1 x 10 arc seconds in size. The focal surface of the spectrograph is shared by photographic and photoelectric detection systems, with the latter serving as a part of the rocket pointing system control loop. Fabrication and alignment of the optical system is based on high precision machining and mechanical metrology techniques. The spectrograph has a resolution of 16 milliangstroms and modifications planned for future flights will improve the resolution to 5 milliangstroms, permitting line widths to be measured.

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