CAOSP abstracts, Volume: 25, year: 1995


Abstract: High S/N Reticon spectra of Alpha2 CVn, Epsilon UMa, Sirius and Vega are investigated to estimate the Cr-abundance and its possible depth distribution. While three of the stars show practically normal (homogeneous) distribution of the element, Alpha2 CVn was found to be anomalous: the abundance of chromium decreases outwards of the atmosphere.

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