The LPSP experiment on OSO-8. I - Instrumentation, description of operations, laboratory calibrations and pre-launch performances

Details The LPSP experiment on OSO-8. I - Instrumentation, description of operations, laboratory calibrations and pre-launch performances The LPSP experiment on OSO-8. I - Instrumentation, description of operations, laboratory calibrations and pre-launch performances

May 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977ssi.....3..131a&link_type=abstract

Space Science Instrumentation, vol. 3, May 1977, p. 131-161.

Physics

24

Oso-8, Satellite-Borne Instruments, Solar Instruments, Aberration, Calibrating, Data Acquisition, Gratings (Spectra), Photometers, Polarization Characteristics, Solar Atmosphere, Spectral Resolution, Wave Diffraction

Scientific paper

The characteristics of OSO-8, including its solar-pointed instrument assembly and rasters, are discussed, as well as the accompanying Laboratoire de Physique Stellaire et Planetaire (LPSP) instrumentation, which is designed to study the solar atmosphere with high spatial, spectral, and temporal resolution. The LPSP instrument, which consists of two subassemblies, a Cassegrainian telescope and a spectrometer, is described; main optical characteristics, including spectral lines observed, and means of correcting aberrations and eliminating stray light, are given for the spectrometer. Detectors and their capacities, and various filter wheel configurations available for detection of polarized light and discrimination of low orders of diffraction, are also described. The observation program, which consists of a study of solar prominences, flares, and dynamic and three-dimensional physical structures of the chromosphere, as well as determination of seasonal variations of some gases in earth's atmosphere, is reviewed. A detailed account of pre-launch tests and calibration procedures is also given.

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