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The CHIANTI atomic database contains atomic energy levels, wavelengths, radia-tive transition probabilities and electron excitation data for a large number of ions of astrophysical interest. Version 4 has been released, and proton excitation data is now included, principally for ground configuration levels that are close in energy. The fitting procedure for(More)
Quiet Sun and active region spectra from the Hinode/EIS instrument are presented , and the strongest lines from different temperature regions discussed. A list of emission lines recommended to be included in EIS observation studies is presented based on analysis of blending and diagnostic potential using the CHIANTI atomic database. In addition we identify(More)
We study the Differential Emission Measure distribution of two pairs of active and quiet regions of the solar atmosphere , observed by CDS Normal Incidence Spectrometer (NIS) on SOHO, and investigate their temperature and density structure. Use is made of the Arcetri Method (Landi & Landini 1997) for DEM and density diagnostics. An iterative method for(More)
In this paper we carry out numerical modeling of coronal jets to understand their effects on the global corona and their contribution to the solar wind. We simulated jet models implemented within a well established three dimensional, two-temperature magneto-hydrodynamic (MHD) solar corona model that is built upon kinetic Alvén wave dissipation, producing(More)
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