On the abundance of Lithium in T Coronae Borealis

F. Ringwald (Florida Institute of Technology); P.H. Hauschildt (University of Georgia); T. Naylor (Keele University); T. Shahbaz (University of Oxford)

arxiv: astro-ph/9902225 · v1 · submitted 1999-02-16 · 🌌 astro-ph

On the abundance of Lithium in T Coronae Borealis

T. Shahbaz (University of Oxford) , P.H. Hauschildt (University of Georgia) , T. Naylor (Keele University) , F. Ringwald (Florida Institute of Technology) This is my paper

classification 🌌 astro-ph

keywords abundanceenhancedlithiumnovaactivityborealiscomparedconvection

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We have obtained high resolution echelle spectroscopy of the recurrent nova T CrB. We find that the surface lithium abundance in T CrB is signifcantly enhanced compared to field M giants, where it is not detectable. We offer possible explanations for this in terms of either a delay in the onset of convection in the giant star, enhanced coronal activity due to star-spots or the enhancement of Li resulting from the nova explosion(s).

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On the abundance of Lithium in T Coronae Borealis

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