\begin{table}%T1 \caption{\label{newUBVRI}New Johnson-Cousins photoelectric photometry obtained for some of the metal-poor stars in the sample.} \small%\centering \par \begin{tabular}{lccccc} \hline\hline\noalign{\smallskip} Name & $U$ & $B$ & $V$ & $R_{\rm C}$ & $I_{\rm C}$ \\ \hline HD~3567 & 9.556 & 9.695 & 9.240 & 8.941 & 8.631 \\ HD~16031 & 10.004 & 10.197 & 9.770 & 9.484 & 9.184 \\ HD~19445 & 8.207 & 8.503 & 8.026 & 7.737 & 7.394 \\ HD~34328 & 9.683 & 9.903 & 9.416 & 9.106 & 8.773 \\ HD~45282 & 8.659 & 8.672 & 8.010 & 7.610 & 7.196 \\ HD~59392 & 10.048 & 10.217 & 9.761 & 9.457 & 9.142 \\ HD~64090 & 8.762 & 8.951 & 8.295 & 7.935 & 7.536 \\ HD~64606 & 8.277 & 8.140 & 7.412 & 6.994 & 6.561 \\ HD~74000 & 9.880 & 10.071 & 9.656 & 9.381 & 9.080 \\ HD~84937 & 8.485 & 8.702 & 8.306 & 8.047 & 7.759 \\ HD~94028 & 8.421 & 8.640 & 8.202 & 7.917 & 7.585 \\ HD~102200 & 9.009 & 9.189 & 8.739 & 8.449 & 8.141 \\ HD~106038 & 10.431 & 10.627 & 10.153 & 9.857 & 9.529 \\ HD~108177 & 9.874 & 10.082 & 9.647 & 9.362 & 9.052 \\ HD~110621 & 10.230 & 10.385 & 9.932 & 9.628 & 9.313 \\ HD~114762 & 7.738 & 7.833 & 7.283 & 6.967 & 6.629 \\ HD~116064 & 9.099 & 9.282 & 8.833 & 8.520 & 8.189 \\ HD~122196 & 9.055 & 9.212 & 8.753 & 8.444 & 8.112 \\ HD~132475 & 8.983 & 9.100 & 8.563 & 8.216 & 7.855 \\ HD~134169 & 8.115 & 8.193 & 7.663 & 7.342 & 7.011 \\ HD~134439 & 10.033 & 9.881 & 9.118 & 8.661 & 8.220 \\ HD~140283 & 7.502 & 7.692 & 7.205 & 6.876 & 6.522 \\ HD~160617 & 9.014 & 9.188 & 8.740 & 8.431 & 8.108 \\ HD~163810 & 10.185 & 10.272 & 9.660 & 9.280 & 8.897 \\ HD~179626 & 9.601 & 9.710 & 9.188 & 8.849 & 8.502 \\ HD~181743 & 9.911 & 10.140 & 9.683 & 9.375 & 9.062 \\ HD~188510 & 9.303 & 9.452 & 8.851 & 8.486 & 8.100 \\ HD~189558 & 8.214 & 8.299 & 7.740 & 7.392 & 7.034 \\ HD~193901 & 9.049 & 9.183 & 8.644 & 8.307 & 7.964 \\ HD~194598 & 8.666 & 8.844 & 8.356 & 8.055 & 7.739 \\ HD~199289 & 8.660 & 8.803 & 8.287 & 7.972 & 7.643 \\ HD~201891 & 7.740 & 7.908 & 7.390 & 7.081 & 6.737 \\ HD~213657 & 9.869 & 10.063 & 9.646 & 9.368 & 9.068 \\ HD~215801 & 10.272 & 10.471 & 10.038 & 9.732 & 9.418 \\ HD~219617 & 8.425 & 8.621 & 8.153 & 7.845 & 7.525 \\ HD~284248 & 9.407 & 9.650 & 9.208 & 8.927 & 8.608 \\ HD~298986 & 10.316 & 10.506 & 10.062 & 9.774 & 9.470 \\ BD+17 4708 & 9.718 & 9.922 & 9.476 & 9.183 & 8.854 \\ BD+02 3375 & 10.174 & 10.414 & 9.944 & 9.635 & 9.297 \\ BD-04 3208 & 10.203 & 10.375 & 9.977 & 9.709 & 9.417 \\ BD-13 3442 & 10.529 & 10.655 & 10.266 & 9.994 & 9.704 \\ CD-30 18140 & 10.155 & 10.365 & 9.946 & 9.663 & 9.353 \\ CD-33 3337 & 9.436 & 9.581 & 9.109 & 8.814 & 8.490 \\ \hline \end{tabular} \tablefoot{ Each measurement comprises an average of 4 observations per star. The rms of individual observations are $0.02$ for the $V$ magnitude, $0.015$ for the $U-B$ colour and $0.008$~mag for~$B-V$, $V-R$, $R-I$, $V-I$~colours.} \end{table}