Open AccessOn the abundance of lithium in T Coronae Borealis
Author(s) -
Shahbaz T.,
Hauschildt P. H.,
Naylor T.,
Ringwald F.
Publication year - 1999
Publication title -
monthly notices of the royal astronomical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.058
H-Index - 383
eISSN - 1365-2966
pISSN - 0035-8711
DOI - 10.1046/j.1365-8711.1999.02549.x
Subject(s) - physics , astrophysics , lithium (medication) , nova (rocket) , abundance (ecology) , spectroscopy , astronomy , stars , medicine , aeronautics , fishery , engineering , biology , endocrinology
We have obtained high‐resolution echelle spectroscopy of the recurrent nova T CrB. We find that the surface lithium abundance in T CrB is significantly enhanced compared with the case of 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 caused by star‐spots or the enhancement of Li resulting from the nova explosion(s).