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X-ray Flare Spectra from the DIOGENESS Spectrometer and its concept applied to ChemiX on the Interhelioprobe spacecraft View all abstracts by submitter

Kenneth Phillips   Submitted: 2014-11-05 03:09

The DIOGENESS X-ray crystal spectrometer on the CORONAS-F spacecraft operated for a single month (25~August to 17~September) in 2001 but in its short lifetime obtained one hundred and forty high-resolution spectra from some eight solar flares with GOES importance ranging from C9 to X5. The instrument included four scanning flat crystals with wavelength ranges covering the regions of Si XIII (6.65 Angstroms), S XV (5.04 Angstroms), and Ca XIX (3.18 Angstroms) X-ray lines and associated dielectronic satellites. Two crystals covering the Ca XIX lines were oriented in a ``Dopplerometer'' manner, i.e. such that spatial and spectral displacements both of which commonly occur in flares can be separated. We describe the DIOGENESS spectrometer and the spectra obtained during flares which include lines not hitherto seen from spacecraft instruments. An instrument with very similar concept is presently being built for the two Russian Interhelioprobe spacecraft due for launch in 2020 and 2022 that will make a near-encounter (perihelion approx. 0.3 a.u.) to the Sun in its orbit. We outline the results that are likely to be obtained.

Authors: J. Sylwester, Z. Kordylewski, S. Plocieniak, M. Siarkowski, M. Kowalinski, S. Nowak, W. Trzebinski, M. Steslicki, B. Sylwester, E. Stanczyk, R. Zawerbny, Z. Szaforz, K. J. H. Phillips, F. Farnik, A. Stepanov
Projects: None

Publication Status: Accepted for publication, Solar Physics
Last Modified: 2014-11-05 11:49
Go to main E-Print page  Dynamics in Sunspot Umbra as Seen in New Solar Telescope and Interface Region Imaging Spectrograph Data  On Polar Magnetic Field Reversal and Surface Flux Transport During Solar Cycle 24  Edit Entry  Download Preprint  Submitter's Homepage Delete Entry 

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