CR LS-229 Solar X-Ray Spectrometer/Spectroheliograph Experiment

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Abstract
The CRLS-229 Solar X-ray Spectrometer/Spectroheliograph payload was launched in the solar pointed section of the U. S. Air Force Space Test Program P78-1 satellite on 24 February 1979. The payload consists of two instruments furnished by The Aerospace Corporation, known as SOLEX and MONEX, and two instruments furnished by the Naval Research Laboratory. Thp SOLEX instrument provides maps of the sun in individual x-ray spectral lines and also obtains spectra in the 3 to 25 Å wavelength interval while pointed at a specific solar region. The basic SOLEX hardware consists of two multigrid collimators with 20 arc sec and 60 arc sec spatial resolution, RAP and ADP scanning high resolution Bragg crystals, and a proportional counter and an array of channel electron multipliers as detectors. The MONEX experiment, consisting of two proportional counters, provides full disk solar x-ray intensity with moderate spectral resolution and excellent temporal resolution in the 1 to 140 keV energy interval. Examples of data from the Spectrometer/Spectroheliograph are presented.

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