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Article
Loop Models from SOHO Observations
The Coronal Diagnostic Spectrometer (CDS) on SOHO is a grazing/normal incidence spectrograph, aimed to produce stigmatic spectra of selected regions of the solar surface in six spectral windows of the extreme ...
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Article
Observation of Transition Region Fine Structures with Soho/Sumer
We present a preliminary analysis of two quiet Sun transition region areas observed with the SOHO/SUMER spectrometer, using lines from oxygen, nitrogen and silicon. The average quiet Sun physical parameters ar...
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Article
EXOSAT observations of late-type stars: The application of coronal loop models
We apply solar-type coronal loop models to X-ray and UV observations of late-type stars. We derive from EXOSAT and IUE observations constraints on the temperature, pressure and size of the emitting structures.
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Article
Ionization equilibrium for ions of Na, Al, P, Cl, A, K, Ca, Cr and Mn
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Article
Thermal and non-thermal soft X-ray bursts
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Chapter
Analysis of Some Solar Flares from Optical, X-ray, and Radio Observations
Using an improved isodensitometric technique it has been possible to study in great detail the photometric structure and the evolution of eight flares. A comparison has been made between the evolutive curves a...