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Autor:
Juan Zorec, A. E. Tarasov, D. McDavid, S. Stefl, Eiji Kambe, M. Floquet, Nelson Vani Leister, A. M. Hubert, M. Hahula, Eduardo Janot-Pacheco, Ryuko Hirata, D. R. Gies
Publikováno v:
International Astronomical Union Colloquium. 175:550-553
The Be shell star EW Lac was observed in September 1993 during a multi-site campaign. Results from visual spectroscopy and polarimetry are summarized here. He I 6678 profiles have been compared to previous observations held in 1989 and show an additi