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Estrellas Be: diagnóstico del medio circunestelar mediante líneas de H del IR cercano

Granada, A.; Arias, M. L.; Cidale, L. S. +1 more

We describe the behavior of the IR emission lines that appear in the K and L band spectra of Be stars and discuss the physical properties of the circum- stellar envelopes based on the classification scheme proposed by Mennick- ent et al. (2009). We found that for stars of Group I, Pfund and Humphreys lines form in an optical thick region, while fo…