The effects of partial redistribution on facular K line profiles

Details The effects of partial redistribution on facular K line profiles The effects of partial redistribution on facular K line profiles

May 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977soph...52..309h&link_type=abstract

Solar Physics, vol. 52, May 1977, p. 309-313.

Physics

2

Faculae, Frequency Distribution, K Lines, Plasma Diagnostics, Solar Spectra, Thermodynamic Equilibrium, Filtergrams, Solar Atmosphere, Stellar Models

Scientific paper

Theoretical Ca II K-line profiles and filtergram contrast are presented for several recent models of solar faculae. The line profiles vary greatly between models and between complete and partial frequency redistribution non-LTE calculations for any given model. The filtergram contrasts are relatively insensitive to the line-formation theory, which greatly simplifies the calculation for comparison with observations. All of the models considered exhibit K-line contrasts smaller than the mean value observed by Mehltretter (1974).

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