We demonstrate that the peculiar line profiles observed in DA white dwarfs in the temperature range of the ZZ Ceti variables can be explained by the surface velocity fields associated with the pulsations.
@article{arxiv.astro-ph/0702067,
title = {Velocity Fields at the Surface of ZZ Ceti Stars},
author = {D. Koester and E. Kompa},
journal= {arXiv preprint arXiv:astro-ph/0702067},
year = {2007}
}
Comments
4 pages, 4 figures, to be published in the proceedings of the 15th European Workshop on White Dwarfs (ASP)