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The complex structure of the Mg II regions of 40 BeV stars

Danezis, E.; Lyratzi, E.; Theodossiou, E. +4 more

In this paper we present a study of the UV Mg II resonance lines in 40 BeV stars' spectra. We used the model proposed by Danezis et al. (2002, 2003). This model is based on the idea of independent density layers in the regions where the spectral lines that present SACs (DACs) are created. We calculated the apparent rotation (V_rot) and e…