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Profile variability of Hα in the B3e Herbig star HD 200775 as indication of matter infall and inhomogeneous stellar wind

Published online by Cambridge University Press:  26 May 2016

N.G. Beskrovnaya ,
M.A. Pogodin ,
A.G. Scherbakov  and
A.E. Tarasov
N.G. Beskrovnaya
Affiliation:
Central Astronomical Observatory of the Russian Academy of Sciences at Pulkovo, 196140 Saint-Petersburg, Russia, e-mail:[email protected]
M.A. Pogodin
Affiliation:
Central Astronomical Observatory of the Russian Academy of Sciences at Pulkovo, 196140 Saint-Petersburg, Russia, e-mail:[email protected]
A.G. Scherbakov
Affiliation:
Crimean Astrophysical Observatory, 334413 Nauchnyi, Crimea, Ukraine
A.E. Tarasov
Affiliation:
Crimean Astrophysical Observatory, 334413 Nauchnyi, Crimea, Ukraine

Abstract

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Significant profile variability of Hα on the timescale of months is investigated on the basis of high-dispersion CCD spectra of the B3e Herbig star HD 200775. Variations in position and shape of the central absorption component are considered to indicate complex structure of circumstellar environment, containing infalling streams and inhomogeneous stellar wind.

Type
6. Be Stars: Circumstellar Environment
Information
Symposium - International Astronomical Union , Volume 162: Pulsation, Rotation and Mass Loss in Early-Type Stars , 1994 , pp. 389 - 391
Copyright
Copyright © Kluwer 1994 

References

Watt, G.D., Burton, W.B., Choe, S.-U., List, H.S.: 1986, Astron. Astrophys. 163, 194 Google Scholar