\begin{table}%t2 \caption{\label{tab:sgs}Summary of the stellar properties of the 9~RSGs for which spectral classification was possible.} \par %\centering \par \begin{tabular}{lccccccccccc} \hline \hline \noalign{\smallskip} ID & Spec & $T_{{\rm eff}}(K)$\tablefootmark{a} & $(J-K)_{0}$& $(J-K)$& $E(J-K)$&$A_{K}$\tablefootmark{c} & $M_{K}$\tablefootmark{c,d} \\ & type & & & & \\ \hline S1 & K5~I &$3840\pm135$ &0.75 & 3.25 & 2.50 &1.68 & $-$9.1 \\ S2 & K4~I & $3920\pm112$&0.72 & 3.54 & 2.82 &1.89& $-$8.7 \\ S3 & M3~I & $3605\pm147$&0.90 & 3.56 & 2.66 &1.78& $-$9.9 \\ S4 & M6~I & $3400\pm150$&1.05$^{b}$ & 4.59 & 3.54 &2.37& $-$10.3 \\ S5 & K5~I & $3840\pm135$&0.75 & 3.77 & 3.02 &2.02&$-$9.9\\ S6 & M2~I & $3660\pm127$&0.87 & 3.83 & 2.96 &1.98&$-$9.7\\ S7 & K5~I & $3840\pm135$&0.75 & 3.40 & 2.65 &1.78&$-$8.8\\ S8 & M2~I & $3660\pm127$&0.87 & 3.79 & 2.92 &1.94&$-$9.4\\ S9 & M1~I & $3745\pm117$&0.85 & 3.34 & 2.49 &1.67&$-$9.3\\ \hline \end{tabular} \tablefoot { \tablefoottext{a}{Assumed from the calibration of \citet{levesque},\protect following \citet{davies08};} \tablefoottext{b}{extrapolated from the calibration;} \tablefoottext{c}{typical errors in $A_{K}$ and $M_{K}$ are 0.2~mag (see~text for discussion);} \tablefoottext{d}{assuming a distance of 6.6~kpc, identical to~RSGC1.}} \end{table}