Effect of coronal elemental abundances on the radiative loss function

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Abstract

view Abstract Citations (154) References (31) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Effect of Coronal Elemental Abundances on the Radiative Loss Function Cook, J. W. ; Cheng, C. -C. ; Jacobs, V. L. ; Antiochos, S. K. Abstract The solar photosphere and corona abundances tabulated by Meyer (1985) and the chromospheric abundances given by Murphy (1985) are used here to recalculate radiative loss functions for equilibrium, low-density, optically thin plasmas. Results from a representative standard photospheric abundance set and from coronal and chromospheric abundance sets showing depletions of up to a factor of four in certain elemental abundances are compared. A significant difference is found for both the coronal and chromospheric abundance sets, with the peak of the radiative loss curve shifted closer to 10 to the 6th K than to the standard 2 x 10 to the 5th K found from photospheric abundances. Consequences of these new calculations, in particular for the cool loop model of Antiochos and Noci (1986), are discussed. Publication: The Astrophysical Journal Pub Date: March 1989 DOI: 10.1086/167268 Bibcode: 1989ApJ...338.1176C Keywords: High Temperature Plasmas; Photosphere; Plasma Density; Solar Atmosphere; Solar Corona; Abundance; Emission Spectra; Line Spectra; Thermal Stability; Solar Physics; SUN: ABUNDANCES; SUN: CORONA; PLASMAS full text sources ADS |

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