\begin{table}%t1 \caption{\label{tab:props}Summary of RSG candidates and their properties\tablefootmark{a}.} \par %\centering \par \begin{tabular}{lcccccccccccccc} \hline \hline \noalign{\smallskip} ID & \multicolumn{2}{c}{Co-ordinates} & \multicolumn{4}{c}{2MASS} & \multicolumn{3}{c}{GLIMPSE {\it Spitzer}\tablefootmark{c}} & \multicolumn{4}{c}{{\it MSX}} & Offset \\ & RA & Dec & $J$ & $H$ & $K_{{\rm S}}$ & $Q$ & 4.5 $\mu$m & 5.8 $\mu$m & 8.0 $\mu$m & A & C & D & E & \\ \hline S1 & 18 34 58.40 &$-$07 14 24.8 & 9.92 & 7.80 & 6.67 & 0.10 & $-$ & 5.54 & 5.32 & 5.17 & 4.48 & 4.29 & $-$ & $3\farcs2$\\ S2 & 18 34 55.12 &$-$07 15 10.8 & 10.86 & 8.45 & 7.32 & 0.38 & 6.73 & 6.37 & 6.31 & 6.07 & 5.11 & 5.05 & $-$ & $2\farcs1$ \\ S3 & 18 34 50.00 &$-$07 14 26.2 & 9.55 & 7.19 & 6.00 & 0.22 & $-$ & 4.84 & 4.68 & 4.69 & 3.57 & 3.42 & 3.32& $2\farcs8$\\ S4 & 18 34 51.02 &$-$07 14 00.5 & 10.73 & 7.68 & 6.14 & 0.29 & $-$ & 4.65 & 4.50 & 4.45 & 3.43 &3.35 &3.02 & $0\farcs5$\\ S5 & 18 34 51.33 &$-$07 13 16.3 & 10.04 & 7.53 & 6.26 & 0.23& \multicolumn{3}{c}{none within $10\arcsec$} & 5.00 & 4.01 & 3.87 & $-$ & $1\farcs5$\\ S6 & 18 34 41.55 &$-$07 11 38.8 & 10.26 & 7.73 & 6.43 & 0.18 & $-$ & 5.30 & 5.19 & 5.14 & 4.49 & $-$ & $-$ & $2\farcs7$ \\ S7 & 18 34 43.56 &$-$07 13 29.7 & 10.46 & 8.22 & 7.06 & 0.13 & $-$ & 5.94 & 5.88 & \multicolumn{5}{c}{none within $10\arcsec$}\\ S8 & 18 34 44.51 &$-$07 14 15.3 & 10.42:$^{d}$ & 8.03 & 6.62 & $-0.15^{d}$:& $-$ & 4.75 &4.63 & 4.34 &3.56 &3.18 &2.86 & $0\farcs7$\\ S9 & 18 34 45.81 &$-$07 18 36.2 & 9.83 & 7.63 & 6.49 & 0.14& $-$ & 4.99 &4.83 & 4.96 &4.48 & $-$ & $-$ & $1\farcs7$\\ S10 & 18 34 26.81 &$-$07 15 27.9 & 10.98 & 8.32 & 7.00 & 0.29 & $-$ & 5.78 &5.61 & 5.22 &4.12 & $-$ & $-$ & $0\farcs9$ \\ S11 & 18 35 00.32 &$-$07 07 37.4 & 9.61 & 7.47 & 6.34 & 0.11 & $-$ & 5.35 &5.12 & 4.73 &3.69 &3.59 &2.77 & $0\farcs3$\\ S12 & 18 35 16.88 &$-$07 13 26.9 & 9.87 & 7.73 & 6.45 & $-0.15$ & $-$ & 4.66 &4.45 & 4.54 &3.48 &3.31 &3.39 &$0\farcs5$\\ S13 & 18 35 10.89 &$-$07 15 17.8 & 12.14 & 9.09 & 7.45 & 0.11 & \multicolumn{3}{c}{none within $7\arcsec$} & 4.16 &3.08 &2.81 &2.26 &$1\farcs0$ \\ \hline S14 & 18 34 42.94 &$-$07 13 12.2 & 8.60 & 6.87 & 6.10 & 0.35 & $-$ & 5.53 &5.50 & 5.23 & 4.69 & 5.12& 1.21& $>6\arcsec$\\ S101 & 18 34 58.36 &$-$07 14 15.1 & 9.80 & 7.96 & 7.19 & 0.45& $-$ & 6.61& 6.57& 5.17& 4.48& 4.20& $-$ & $>6\arcsec$ \\ S102 & 18 34 56.77 &$-$07 11 44.9 & 10.36 & 8.36 & 7.52 & 0.49 & $-$ & 6.83 &6.88 & 7.42 & $-$ & $-$ & $-$ & $>9\arcsec$ \\ S103 & 18 34 43.92 &$-$07 14 47.0 & 9.76 & 8.07 & 7.34 & 0.38 & 6.97 & 6.79 &6.73 & \multicolumn{5}{c}{none within $10\arcsec$} \\ S104 & 18 35 02.42 &$-$07 09 33.4 & 10.26 & 8.40 & 7.58 & 0.38 &7.22 &6.96& 6.89& 6.53& $-$ & $-$ & $-$ & $1\farcs4$ \\ S105 & 18 35 07.59 &$-$07 18 47.4 & 10.33 & 8.36 & 7.59 & 0.58 &7.13 &6.89& 6.95& 5.06 &4.26 &5.30& $-$ & $5\farcs9$ \\ S106 & 18 35 06.67 &$-$07 18 55.2 & 10.15 & 8.24 & 7.41 & 0.42& 7.09& 6.78& 6.82& \multicolumn{5}{c}{none within $10\arcsec$}\\ S107 & 18 34 27.37 &$-$07 16 19.1 & 9.74 & 7.94 & 7.10 & 0.28 & 6.86 & 6.53& 6.53& 5.87& 5.34 & $-$ & $-$ & $3\farcs1$\\ S108 & 18 34 28.66 &$-$07 09 57.4 & 9.94 & 8.02 & 7.17 &0.15 & 6.88 &6.51 & 6.52& 6.54& $-$ & $-$ & $-$ & $1\farcs3$ \\ S109 & 18 34 50.86 &$-$07 18 11.9 & 10.45 & 8.61 & 7.76 &0.31& 7.43 &7.13 & 7.11& 6.08& $-$ & $-$ & $-$ & $5\farcs1$ \\ \hline \end{tabular} \tablefoot {Top panel: spectroscopically confirmed RSGs and photometric candidates without spectroscopic observations. Bottom panel: other objects whose photometric properties are indicative of luminous red stars, but are likely to be foreground to the cluster. The last column gives the offset between the star location and the nearest {\it MSX}~source \tablefootmark{b}. \\ \tablefoottext{a}{Co-ordinates and near-IR magnitudes are from 2MASS, with mid-IR (${\sim}4$$-$25~$\mu$m) magnitudes from the Galactic plane surveys of GLIMPSE/{\it Spitzer} \citep{benjamin} and the {\it Midcourse Source Experiment (MSX)} \citep{egan}.}\\ \tablefoottext{b}{The nominal positions of {\it MSX} sources have $1\farcs5$~uncertainties. Offsets much larger than~$3\arcsec$ are then likely to indicate random superpositions.}\\ \tablefoottext{c}{None of the candidate cluster members is detected by {\it Spitzer} at 3.6~$\mu$m.}\\ \tablefoottext{d}{The $J$ magnitude for S8 has quality flag~E, indicating a poor fit of the~PSF.} } \end{table}