\begin{table}%T5 \caption{\label{tab:ld}Comparison between the measured LD~coefficients for \baur\ and predictions calculated using theoretical model atmospheres. Bilinear interpolation was used to interpolate the tabulated theoretical coefficients to the effective temperatures and surface gravities for \baur\ given by NJ94. A solar metal abundance and a microturbulence velocity of 2\kms\ have been adopted and results are quoted for the Johnson $V$ and Cousins~$R$~bandpasses.} \small %\centerline $$ \begin{tabular}{l c r@{~$\pm$~}l rr rr rr rr rr } \hline \hline LD~coefficient &Star& \mc{\baur} & \mc{Van Hamme} & \mc{D\'{\i}az-Cordoves} & \mc{Claret ({\sc atlas9})} & \mc{Claret ({\sc phoenix})} & \mc{Claret \& Hauschildt} \\ & & \mc{ } & $V_{\rm J}$ & $R_{\rm C}$ & $V_{\rm J}$ & $R_{\rm C}$ & $V_{\rm J}$ & $R_{\rm C}$ & $V_{\rm J}$ & $R_{\rm C}$ & $V_{\rm J}$ & $R_{\rm C}$ \\ \hline Linear law & A & 0.382 & 0.006 & 0.437 & 0.367 & 0.525 & 0.418 & 0.536 & 0.542 & 0.534 & 0.454 & 0.489 & 0.406 \\ Linear law & B & 0.379 & 0.006 & 0.445 & 0.372 & 0.532 & 0.402 & 0.451 & 0.455 & 0.541 & 0.459 & 0.488 & 0.404 \\ Sqrt (linear) & A &$-$0.06 & 0.15 & 0.005 &$-$0.081 & 0.016 &$-$0.019 & 0.035 &$-$0.005 & 0.008 &$-$0.044 &$-$0.245 &$-$0.240 \\ Sqrt (linear) & B &$-$0.18 & 0.15 & 0.015 &$-$0.003 & 0.028 &$-$0.017 & 0.046 & 0.001 & 0.017 &$-$0.041 &$-$0.186 &$-$0.183 \\ Sqrt (nonlinear)& A & 0.70 & 0.23 & 0.720 & 0.625 & 0.722 & 0.598 & 0.664 & 0.603 & 0.695 & 0.658 & 1.128 & 0.993 \\ Sqrt (nonlinear)& B & 0.88 & 0.24 & 0.717 & 0.625 & 0.714 & 0.599 & 0.657 & 0.602 & 0.692 & 0.661 & 1.036 & 0.902 \\ Quad (linear) & A & 0.21 & 0.06 & & & 0.273 & 0.204 & 0.208 & 0.159 & 0.203 & 0.146 & 0.242 & 0.192 \\ Quad (linear) & B & 0.19 & 0.06 & & & 0.282 & 0.196 & 0.217 & 0.164 & 0.211 & 0.150 & 0.258 & 0.206 \\ Quad (nonlin.) & A & 0.25 & 0.10 & & & 0.328 & 0.279 & 0.387 & 0.345 & 0.401 & 0.372 & 0.366 & 0.318 \\ Quad (nonlin.) & B & 0.28 & 0.09 & & & 0.325 & 0.268 & 0.383 & 0.344 & 0.400 & 0.374 & 0.340 & 0.294 \\ \hline \end{tabular}$$ \smallskip References: Van Hamme is \citet{Vanhamme93aj}; D\'{\i}az-Cordoves is \citet{Diaz++95aas} and \citet{Claret++95aas}; Claret is \citet{Claret00aa} and Claret \& Hauschildt is \citet{ClaretHauschildt03aa}. \end{table}