\begin{table}%t1 \caption{\label{t1}Observation log and properties of the target stars.} %\centering \par \begin{tabular}{cccccccccc} \hline\hline \noalign{\smallskip} & & Exposure time & $\alpha$ & $\delta$ & $V$ & $B-V$ & $V-I$ & $V-K$ & $S/N$ \\ \raisebox{1.5ex}[-1.5ex]{ID\tablefootmark{a}} & \raisebox{1.5ex}[-1.5ex]{Date} & [s] & (J2000.0) & (J2000.0) & [mag] & [mag] & [mag] & [mag] & [pixel$^{-1}$] \\ \hline Pal4-1 (S196) & Feb. 11, 1999, Mar. 10, 1999 & 3 $\times$ 300 & 11 29 17.13 & +28 57 59.9 & 17.81 & 1.46 & 1.52 & 3.43 & 8 \\ Pal4-2 (S169) & Feb. 11, 1999 & 2 $\times$ 300 & 11 29 17.02 & +28 57 51.5 & 17.93 & 1.46 & 1.45 & 3.57 & 8 \\ Pal4-3 (S277) & Feb. 11, 1999 & 1 $\times$ 300 & 11 29 13.24 & +28 58 13.6 & 17.82 & 1.66 & 1.53 & 3.69 & 8 \\ Pal4-5 (S434) & Feb. 11, 1999, Feb. 12, 1999 & 2 $\times$ 300 & 11 29 16.67 & +28 58 42.1 & 17.95 & 1.44 & 1.47 & 2.81 & 7 \\ Pal4-6 (S158) & Feb. 11, 1999, Mar. 10, 1999 & 3 $\times$ 420 & 11 29 15.50 & +28 57 47.0 & 18.22 & 1.30 & 1.33 & 3.06 & 7 \\ Pal4-7 (S381) & Feb. 11, 1999, Mar. 10, 1999 & 2 $\times$ 600 & 11 29 14.83 & +28 58 32.2 & 18.55 & 1.19 & 1.24 & 2.79 & 7 \\ Pal4-8 (S364) & Feb. 11, 1999 & 1 $\times$ 600 & 11 29 12.66 & +28 58 29.6 & 18.65 & 1.17 & 1.23 & 2.85 & 6 \\ Pal4-9 (S534) & Feb. 11, 1999 & 1 $\times$ 750 & 11 29 13.32 & +28 59 07.6 & 19.00 & 1.08 & 1.18 & 3.62 & 6 \\ Pal4-10 (S325) & Feb. 11, 1999 & 2 $\times$ 900 & 11 29 15.71 & +28 57 23.4 & 19.09 & 1.05 & 1.13 & \dots & 6 \\ Pal4-11 (S430)\tablefootmark{b} & Feb. 11, 1999 & 1 $\times$ 1200 & 11 29 13.82 & +28 58 40.9 & 19.35 & 0.89 & 1.04 & \dots & 5 \\ Pal4-12 (S328)\tablefootmark{b} & Feb. 11, 1999, Mar. 10, 1999 & 1 $\times$ 1200, 1 $\times$ 2400 & 11 29 17.63 & +28 58 25.1 & 19.35 & 0.90 & 1.03 & \dots & 8 \\ Pal4-15 (S307)\tablefootmark{b} & Feb. 11, 1999 & 1 $\times$ 1200 & 11 29 16.45 & +28 58 18.4 & 19.38 & 0.88 & 1.00 & \dots & 5 \\ Pal4-16 (S306)\tablefootmark{b} & Feb. 11, 1999 & 1 $\times$ 1200 & 11 29 17.77 & +28 58 19.5 & 19.43 & 0.88 & 1.02 & \dots & 5 \\ Pal4-17 (S472)\tablefootmark{b} & Feb. 12, 1999 & 1 $\times$ 1080 & 11 29 15.95 & +28 58 47.8 & 19.45 & 0.85 & 0.99 & \dots & 5 \\ Pal4-18 (S186) & Feb. 11, 1999 & 1 $\times$ 1200 & 11 29 15.37 & +28 57 55.8 & 19.48 & 0.98 & 1.06 & \dots & 5 \\ Pal4-19 (S283) & Feb. 12, 1999 & 1 $\times$ 1080 & 11 29 15.65 & +28 57 14.7 & 19.53 & 0.95 & 1.08 & \dots & 4 \\ Pal4-21 (S457) & Feb. 11, 1999 & 1 $\times$ 1200 & 11 29 14.03 & +28 58 45.7 & 19.64 & 0.93 & 1.04 & \dots & 4 \\ Pal4-23 (S235) & Feb. 12, 1999 & 1 $\times$ 1500 & 11 29 16.93 & +28 58 06.8 & 19.70 & 0.93 & 1.05 & \dots & 5 \\ Pal4-24 (S154) & Feb. 11, 1999 & 1 $\times$ 1500 & 11 29 17.24 & +28 57 46.7 & 19.74 & 0.92 & 1.03 & \dots & 5 \\ Pal4-25 (S476) & Feb. 12, 1999 & 1 $\times$ 1500 & 11 29 15.95 & +28 58 47.8 & 19.77 & 0.91 & 1.02 & \dots & 5 \\ Pal4-26 (S265) & Feb. 12, 1999 & 1 $\times$ 1500 & 11 29 17.32 & +28 58 12.8 & 19.83 & 0.91 & 1.02 & \dots & 5 \\ Pal4-28 (S426) & Feb. 12, 1999 & 1 $\times$ 1500 & 11 29 18.50 & +28 58 41.0 & 19.87 & 0.91 & 1.02 & \dots & 4 \\ Pal4-30 (S276) & Mar. 10, 1999 & 1 $\times$ 1800 & 11 29 08.80 & +28 58 13.1 & 19.89 & 0.90 & 1.02 & \dots & 5 \\ Pal4-31 (S315) & Feb. 12, 1999 & 1 $\times$ 1500 & 11 29 16.82 & +28 58 21.5 & 19.89 & 0.93 & 1.03 & \dots & 5 \\ \hline \end{tabular} \tablefoot{\tablefoottext{a}{IDs preceded by ``S'' are cross-identifications from Table~7 of Saha et~al. (\cite{Saha2005}).} \tablefoottext{b}{Likely AGB stars. }} \end{table}