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The Onset of Chromospheres in A-type Stars: The Altair Affair
Published online by Cambridge University Press: 12 April 2016
Abstract
Here we present preliminary results on the study of the chromosphere of Altair from Lα high dispersion profiles. We report also the detection of Lα chromospheric emission from α Cep (A7V) and β TrA (F0 V) with the IUE. We show that chromosphere may exist up to B – V = 0.22. The possible heating mechanism, magnetic or nonmagnetic, for the chromosphere of these stars is also discussed.
- Type
- Part IV Stellar activity
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- Copyright © Springer-Verlag 1991