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Cyclic variability of the circumstellar disk of the Be star zetaTau - I. Long-term monitoring observations
S. Stefl, Th. Rivinius, A. C. Carciofi +9
Emission lines formed in decretion disks of Be stars often undergo long-term cyclic variations, especially in the violet-to-red (V/R) ratio of their primary components. From observ…
Magnetic survey of emission line B-type stars with FORS1 at the VLT
S. Hubrig, M. Schoeller, I. Savanov +5
We report the results of our search for magnetic fields in a sample of 16 field Be stars, the binary emission-line B-type star upsilon Sgr, and in a sample of fourteen members of t…
Cyclic Variability of the Circumstellar Disc of the Be Star Tau. II. Testing the 2D Global Disc Oscillation Model
A. C. Carciofi, A. T. Okazaki, J-B. le Bouquin +5
Aims. In this paper we model, in a self-consistent way, polarimetric, photometric, spectrophotometric and interferometric observations of the classical Be star Tauri. Our prima…