Soft X-ray polarimeter-spectrometer SOLPEX

We present an innovative soft X-ray polarimeter and spectrometer SOLPEX. The instrument is to be mounted aboard the ISS within the Russian science complex KORTES. The measurements to be made by SOLPEX are expected to be of unprecedented quality in terms of sensitivity to detect the soft-X-ray polari...

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Bibliographic Details
Published in:Proceedings of the International Astronomical Union 2015-08, Vol.11 (S320), p.450-455
Main Authors: Stȩślicki, Marek, Sylwester, Janusz, Płocieniak, Stefan, Bakała, Jarosław, Szaforz, Żaneta, Ścisłowski, Daniel, Kowaliński, Mirosław, Hernandez, Jose, Kuzin, Sergey, Shestov, Sergey
Format: Article
Language:English
Subjects:
Analysis
Contributed Papers
Diagnostic systems
Doppler effect
Flares
Polarization
Pollution sources
Sensors
Soft x-rays
Solar flares
Spectral emission
Spectrometers
Spectrum analysis
Studies
Sun
X-rays
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Summary:We present an innovative soft X-ray polarimeter and spectrometer SOLPEX. The instrument is to be mounted aboard the ISS within the Russian science complex KORTES. The measurements to be made by SOLPEX are expected to be of unprecedented quality in terms of sensitivity to detect the soft-X-ray polarization of solar emission emanating from active regions and flares in particular. Simultaneous measurements of the polarization degree and the other characteristics (eg. evolution of the spectra) constitute the last, rather unexplored area of solar X-ray spectroscopy providing substantial diagnostic potential. Second important science task to be addressed are the measurements of Doppler shifts in selected X-ray spectral emission lines formed in hot flaring sources. The novel-type Dopplerometer (flat Bragg crystal drum unit) is planned to be a part of SOLPEX and will allow to measure line Doppler shifts in absolute terms with unprecedented time resolution (fraction of a second) during the impulsive flare phases. We shall present some details of the SOLPEX instrument and discuss observing sequences in a view of science objectives to be reached.
ISSN:1743-9213
1743-9221
DOI:10.1017/S1743921316002106