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An Inversion Technique to Derive Model Photospheres in Late-Type Stars from High-Resolution Spectroscopy: The Sun
C. Allende Prieto, B. Ruiz Cobo, R. J. Garcia Lopez
An inversion technique has been developed to recover LTE one-dimensional model photospheres for late-type stars from very high-resolution high signal-to-noise stellar line profiles…
Fe I line shifts in the optical spectrum of the Sun
C. Allende Prieto, R. J. Garcia Lopez
New improvements in the measurement of both the optical solar spectrum and laboratory wavelengths for lines of neutral iron are combined to extract central wavelength shifts for 14…
The Limited Influence of Pressure Gradients on Late-type Stellar Line Asymmetries
C. Allende Prieto, R. J. Garcia Lopez, J. Trujillo Bueno
Line asymmetries and shifts are a powerful tool for studying velocity fields in the stellar photospheres. Other effects, however, could also generate asymmetries blurring the infor…