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A Spectrographic Study of the Shell Star EW Lac

Published online by Cambridge University Press:  14 August 2015

G. Scholz
G. Scholz*
Affiliation:
Zentralinstitut für Astrophysik der Akademie der Wissen-schaften der DDR - Potsdam - DDR

Abstract

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38 Zeeman spectrograms of the Be star EW Lac (HD 217050) were obtained in three successive years, 1978, 1979 and 1980. The investigated lines show long-time variations of the radial velocities, line widths, and line intensities. No hints at the occurrence of a global magnetic field larger than 150 Gauss were found.

Type
III. Spectroscopy
Information
Symposium - International Astronomical Union , Volume 98: Be Stars , 1982 , pp. 177 - 179
Copyright
Copyright © Reidel 1982 

References

Hadrava, P., Harmanec, P., Koubsky, P., Krpata, J., and Zdarsky, F., 1978 - IAU Circ. N° 3317 Google Scholar
Harmanec, P., Horn, J., Koubsky, P., and Zdarsky, F., 1979 - Inf. Bull. Variable Stars, IAU N° 1555 Google Scholar
Poeckert, R., 1980 - Publ. Dominion Astrophys. Obs. 15, 357.Google Scholar