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Doppler Imaging of Variable Early-Type Stars∗
Published online by Cambridge University Press: 19 July 2016
Abstract
Line profile–variability (LPV) is very wide–spread among early–type stars. With the exception of inhomogeneous surface abundance distributions associated with magnetic fields, the LPV of bona fide non–magnetic stars is consistent with (often only with) nonradial pulsation (NRP). Peculiar surface chemistry and NRP may even be mutually exclusive, and there are other indications that in spite of the ubiquity of NRPs the distribution of their characterizing parameters in the HRD is far from being uniform. This may be important for uncovering the driving mechanism of NRPs in early–type stars.
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- IV. Spectroscopic Patterns of Stellar Atmospheres
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- Copyright © Kluwer 1988