Diogeness - Soft X-ray spectrometer-photometer for studies of flare energy balance

Details Diogeness - Soft X-ray spectrometer-photometer for studies of flare energy balance Diogeness - Soft X-ray spectrometer-photometer for studies of flare energy balance

May 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990baicz..41..149s&link_type=abstract

Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 41, no. 3, May 1990, p. 149-157.

Astronomy and Astrophysics

Astronomy

1

Photometers, Solar Energy, Solar Flares, Solar Spectrometers, X Ray Spectra, Airborne/Spaceborne Computers, Energy Dissipation, Solar Instruments, Spaceborne Astronomy

Scientific paper

Diogeness, a solar-flare diagnostic instrument being developed for the Soviet Koronas-I solar observatory (scheduled launch in the early 1990s), is described. Diogeness comprises (1) a high-resolution Bragg spectrometer (with four identical quartz crystals arranged in two Dopplerometer sections), (2) a soft-X-ray photometer (with two proportional counters and one scintillation detector), and (3) an onboard computer (for data processing and instrument control). The aim is to obtain measurements on solar-flare energy balance, including thermal energy, volumetric heating rate, conductive and convective loss rates, and the magnitude of directed and turbulent motion in the thermal plasma (on the basis of X-ray emission-line profiles). The emission lines to be observed are listed; the count rates expected for different classes of flares are estimated; and the calibration and alignment procedures are briefly characterized.

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