FUSE Observations of EC14026 Stars

P. Chayer, G. Fontaine, M. Fontaine, R. Lamontagne, F. Wesemael, J. Dupuis, U. Heber, R. Napiwotzki, S. Moehler

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


We present a FUSE abundance analysis of EC14026 stars. We compare the abundances of heavy elements in the atmospheres of EC14026 stars to non-pulsating stars with similar atmospheric parameters, and investigate whether weak stellar winds could explain the coexistence of variable and non-variable sdB stars in the log g – Teff diagram. We also present preliminary results on time-dependent diffusion calculations of iron in presence of radiative levitation and mass loss, and show how weak stellar winds can affect the diffusive equilibrium between gravitational settling and radiative support.
Original languageEnglish
Pages (from-to)359-366
JournalAstrophysics and Space Science
Issue number3-4
Publication statusPublished - 2004


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