ISSN:
1572-946X
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract The relationship between the depletions of 6Li and 7Li is studied for two models of lithium burning, below the convective zone. The parametersof the depletion models are submitted to the constraint that the slope ofthe 7Li theoretical depletion curve agrees with the slope of theobserved depletion curve, for cool subdwarfs. Other less restrictive modelsare also considered.In all cases, a 6Li depletion less than 0.5 dex implies a 7Lidepletion less than 0.1 dex. With the constraint on the slope of the7Li curve, the depletion of 7Li for the same depletion of 6Li is below 0.05 dex. The still unsolved problem for the true 7Li abundance in subdwarfs is the possible influence of temperature inhomogeneities, raised by Kurucz,subsequently shown to be small in the solar case, but not yet computed withthe inclusion of departure from LTE for metal-poor stars.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1023/A:1002149829700
