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Cornide Castro-Piñeiro, Manuel ; Fernández Figueroa, María José ; Castro Rubio, Elisa de ; Armentia, J. A. ; Reglero, V. | IOP publishing ltd | 1992-04High dispersion spectra have been obtained in order to study the activity level of ten barium stars by means of the Ca II H and K emission flux, looking for a relation between barium intensity index and activity. Absolute magnitudes obtained fro[...]
