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Spectral variation of BU Tau

Published online by Cambridge University Press:  12 July 2011

Kalju Annuk
Kalju Annuk*
Affiliation:
Tartu Observatory, 61602 Tõravere, Estonia email: annuk@aai.ee
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Abstract

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We present the preliminary result of our spectroscopic observations covering a period over more than ten years, from 1999 up to 2010. We analyze line profile variations of several lines before the shell phase and during the shell phase. The measured radial velocity, equivalent width and line intensity variations are presented.

Keywords

stars: emission-lineBestars: individual (BU Tau)line: profiles
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S272: Active OB stars: structure, evolution, mass loss, and critical limits , July 2010 , pp. 380 - 381
Copyright
Copyright © International Astronomical Union 2011