\begin{table} %t1 \caption{\label{tab:iddata} Full names, references and SDSS $ugriz$ apparent magnitudes of our targets.} %\centerline { \begin{tabular}{lllccccccc} \hline\hline\noalign{\smallskip} SDSS name & Short name & Reference & $u$ & $g$ & $r$ & $i$ & $z$ & $g_{\rm spec}$ \\ \hline SDSS J031051.66$-$075500.2 & SDSS~J0310 & \citet{Szkody+03aj} & 15.76 & 15.49 & 15.74 & 15.89 & 16.10 & 22.03 \\ SDSS J074355.55$+$183834.8 & SDSS~J0743 & \citet{Szkody+06aj} & 20.11 & 20.07 & 19.29 & 18.78 & 18.61 & 21.66 \\ SDSS J074640.61$+$173412.7 & SDSS~J0746 & \citet{Szkody+06aj} & 18.21 & 18.16 & 18.37 & 18.52 & 18.55 & 21.20 \\ SDSS J075059.97$+$141150.1 & SDSS~J0750 & \citet{Szkody+07aj} & 19.20 & 19.09 & 18.98 & 18.79 & 18.58 & 18.83 \\ SDSS J075808.81$+$104345.5 & SDSS~J0758 & \citet{Szkody+09aj} & 17.06 & 16.92 & 17.07 & 17.17 & 17.25 & 17.06 \\ SDSS J090628.24$+$052656.9 & SDSS~J0906 & \citet{Szkody+05aj} & 18.82 & 18.76 & 18.46 & 18.10 & 17.82 & 19.32 \\ SDSS J092444.48$+$080150.9 & SDSS~J0924 & \citet{Szkody+05aj} & 19.49 & 19.25 & 19.26 & 18.70 & 17.88 & 19.36 \\ SDSS J115207.00$+$404947.8 & SDSS~J1152 & \citet{Szkody+07aj} & 19.22 & 19.26 & 19.15 & 19.13 & 19.00 & 19.56 \\ SDSS J152419.33$+$220920.1 & SDSS~J1524 & \citet{Szkody+09aj} & 19.04 & 19.04 & 18.90 & 18.80 & 18.50 & 19.52 \\ \hline \end{tabular}} \par \tablefoot{$g_{\rm spec}$ is an apparent magnitude calculated by convolving the SDSS flux-calibrated spectra with the $g$ passband function. These represent a different epoch to the SDSS $ugriz$ magnitudes, but may be affected by ``slit losses'' due to any errors in astrometry or positioning of the fibre entrance.} \end{table}