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Solar flare soft X-ray spectra from Diogeness observations

Diogeness was an uncollimated scanning flat crystal spectrometer observing solar flare X-ray spectra in four narrow wavelength bands in the vicinity of Ca xix, S xv and Si xiii He-like line ‘triplets’ around 3.18 Å, 5.04 Å and 6.65 Å. In two of the spectral channels, emission lines around the Ca xix...

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Published in:Proceedings of the International Astronomical Union 2015-08, Vol.11 (S320), p.109-111
Main Authors: Stȩślicki, Marek, Sylwester, Janusz, Sylwester, Barbara, Szaforz, Żaneta, Kordylewski, Zbigniew, Płocieniak, Stefan, Siarkowski, Marek, Phillips, Kenneth J. H.
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container_issue S320
container_start_page 109
container_title Proceedings of the International Astronomical Union
container_volume 11
creator Stȩślicki, Marek
Sylwester, Janusz
Sylwester, Barbara
Szaforz, Żaneta
Kordylewski, Zbigniew
Płocieniak, Stefan
Siarkowski, Marek
Phillips, Kenneth J. H.
description Diogeness was an uncollimated scanning flat crystal spectrometer observing solar flare X-ray spectra in four narrow wavelength bands in the vicinity of Ca xix, S xv and Si xiii He-like line ‘triplets’ around 3.18 Å, 5.04 Å and 6.65 Å. In two of the spectral channels, emission lines around the Ca xix 3.178 Å resonance line were scanned in opposite directions, being diffracted from precisely adjusted identical Quartz crystals mounted on a common shaft in a so-called Dopplerometer (tachometer) configuration. Observations of solar X-ray spectra made by Diogeness provide a direct diagnostic information on plasma characteristics during the impulsive flare energy release. We present a sample of events which occurred during the Diogeness operation time from August 16, 2001 to September 17, 2001.
doi_str_mv 10.1017/S1743921316000314
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subjects Analysis
Channels
Contributed Papers
Corona
Flares
Gamma rays
Solar flares
Spectra
Spectral emissivity
Spectral lines
Spectrometers
Spectrum analysis
Studies
Tachometers
X-rays
title Solar flare soft X-ray spectra from Diogeness observations
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