Table 11: Sensitivity of the derived Li abundances (in dex) to slight changes in the model atmosphere parameters for IRAS 15255+1944.
Adopted value Change Li abundance
$T_{\rm eff}$ = 2900 K  $\Delta$ $T_{\rm eff}$ = $\pm$100 K  $\Delta$log $\varepsilon $(Li) = $\pm$0.3
Z = 0.0 $\Delta Z = \pm$ 0.3 $\Delta$log $\varepsilon $(Li) = $\pm$0.2
$\xi$ = 3 km s-1 $\Delta$$\xi$ = $\pm$1 km s-1 $\Delta$log $\varepsilon $(Li) = $\mp$0.1
log g = -0.5 $\Delta$log g = +0.5 $\Delta$log $\varepsilon $(Li) = +0.1
FWHM = 300 mÅ $\Delta$ FWHM = $\pm$50 mÅ $\Delta$log $\varepsilon $(Li) = $\pm$0.1


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