High Resolution Spectroscopy of the high galactic latitude RV Tauri star CE Virginis

Details High Resolution Spectroscopy of the high galactic latitude RV Tauri star CE Virginis High Resolution Spectroscopy of the high galactic latitude RV Tauri star CE Virginis

2004-11-17

arxiv.org/abs/astro-ph/0411481v1

Mon.Not.Roy.Astron.Soc. 357 (2005) 235-241

Astronomy and Astrophysics

Astrophysics

12 pages, including 8 pages: Accepted for publication in MNRAS

Scientific paper

10.1111/j.1365-2966.2005.08636.x

Analysis of the surface composition of the suspected cool RV Tauri star CE Vir shows no systematic trend in depletions of elements with respect to condensation temperature. However, there is a significant depletion of the elements with respect to the first ionization potential of the element. The derived Li abundance of log $\epsilon$ (Li) = 1.5$\pm$0.2 indicates production of Li in the star. Near infrared colours indicate sporadic dust formation close to the photosphere.

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