\begin{table}%T2 \caption{\label{t-egs_rej}The rejected extragalactic sources.} %\centering \par \begin{tabular}{lrlrlll|lrlrlll} \hline \hline $l$ & $b$ & \multicolumn{1}{c}{$RM\pm\Delta RM$} & $I_{\rm H\alpha}$ & H$\alpha$ & HII~& {\it SNR} & $l$ & $b$ & \multicolumn{1}{c}{$RM\pm\Delta RM$} & $I_{\rm H\alpha}$ & H$\alpha$ & HII~& {\it SNR} \\ deg & deg & \multicolumn{1}{c}{rad/m$^2$} & $R$ & step~& RCW & & deg & deg & \multicolumn{1}{c}{rad/m$^2$} & $R$ & step~& RCW & \\ \hline 253.68 & $-$0.60 & $-$349 $\pm$ 27 & 188 & 1 & 19 & & 295.23 & $-$1.05 & $-$207 $\pm$ 22 & 128 & 2 & 62 & \\ 254.16 & $-$0.34 & $-$338 $\pm$ 19 & 108 & 1 & 19 & & 295.29 & $-$1.23 & $-$43 $\pm$ 29 & 170 & 2 & 62 & \\ 254.60 & $-$0.87 & $-$15 $\pm$ 24 & 65 & 2 & 19 & & 296.18 & $-$0.59 & 752 $\pm$ 14 & 60 & & & G296.1--0.5 \\ 259.77 & 1.22 & 250 $\pm$ 29 & 145 & 2 & 27 & & 296.90 & 0.14 & 1113 $\pm$ 11 & 63 & 1 \\ 260.41 & $-$0.43 & 221 $\pm$ 18 & 92 & 2 & 27 & & 299.42 & $-$0.23 & 535 $\pm$ 30 & 54 & & & \tablefootmark{1} \\ 260.52 & $-$0.55 & 247 $\pm$ 31 & 81 & 3 & 27 & & 300.25 & $-$0.01 & 123 $\pm$ 14 & 78 & 1 \\ 263.20 & 1.07 & 739 $\pm$ 14 & 260 & 1 & 33 & & 300.65 & $-$0.41 & 358 $\pm$ 19 & 77 & 1 \\ 263.22 & 1.08 & 826 $\pm$ 19 & 283 & 1 & 33 & & 307.20 & $-$0.84 & 382 $\pm$ 18 & 155 & 1 \\ 267.03 & 0.04 & 298 $\pm$ 21 & 59 & & & G266.2--1.2 & 308.73 & 0.07 & $-$661 $\pm$ 29 & 58 & & & G308.8--0.1 \\ 277.44 & 0.86 & $-$71 $\pm$ 28 & 22 & & & G279.0+1.1 & 308.93 & 0.40 & $-$752 $\pm$ 17 & 74 & & & G308.8--0.1 \\ 278.04 & 0.75 & $-$104 $\pm$ 3 & 45 & 1 & & G279.0+1.1 & 309.06 & 0.84 & $-$504 $\pm$ 10 & 62 & & & \tablefootmark{1} \\ 278.37 & 0.15 & $-$4 $\pm$ 24 & 25 & & & G279.0+1.1 & 312.37 & $-$0.04 & $-$438 $\pm$ 28 & 69 & & & \tablefootmark{1} \\ 278.43 & 0.53 & 20 $\pm$ 27 & 24 & & & G279.0+1.1 & 316.64 & 1.15 & $-$525 $\pm$ 27 & 38 & 1 & & \\ 278.47 & $-$0.30 & $-$116 $\pm$ 24 & 27 & & & G279.0+1.1 & 318.53 & 0.30 & 53 $\pm$ 29 & 16 & & & G318.2+0.1\\ 279.09 & 0.89 & $-$120 $\pm$ 25 & 26 & & & G279.0+1.1 & 319.39 & 0.74 & 279 $\pm$ 30 & 49 & 1 \\ 279.80 & 1.21 & $-$145 $\pm$ 25 & 27 & & & G279.0+1.1 & 322.05 & $-$0.95 & $-$397 $\pm$ 17 & 16 & & & G321.9--1.1 \\ 280.53 & 0.81 & $-$10 $\pm$ 23 & 25 & & & G279.0+1.1 & 328.36 & $-$0.41 & $-$721 $\pm$ 35 & 55 & 1 \\ 282.07 & $-$0.78 & 862 $\pm$ 16 & 27 & & & \tablefootmark{1} & 329.48 & 0.22 & $-$100 $\pm$ 25 & 17 & & & G329.7+0.4\\ 285.60 & 0.62 & 368 $\pm$ 35 & 124 & 2 & 51/53 & & 332.14 & 1.03 & $-$754 $\pm$ 22 & 54 & 1 \\ 286.04 & $-$1.05 & 809 $\pm$ 14 & 148 & 2 & 53 & & 333.72 & $-$0.27 & 204 $\pm$ 29 & 35 & & & \tablefootmark{1} \\ 286.89 & 0.59 & 324 $\pm$ 28 & 130 & 2 & 53 & & 342.62 & $-$0.45 & $-$913 $\pm$ 30 & 85 & 2 & 113 \\ 288.27 & $-$0.70 & 491 $\pm$ 25 & 855 & 2 & 54 & & 343.29 & 0.60 &$-$1035 $\pm$ 16 & 84 & 3 & 113 \\ 290.81 & 0.74 & 419 $\pm$ 23 & 236 & 1 & & & 345.22 & 0.68 & 183 $\pm$ 21 & 140 & 2 & 113 \\ 292.90 & $-$0.02 & 349 $\pm$ 28 & 94 & 3 & 57B & & 349.65 & $-$0.36 & 110 $\pm$ 20 & 109 & 2 & 123 \\ 293.39 & 0.73 & 121 $\pm$ 20 & 85 & & & G293.8+0.6 & 351.82 & 0.17 & 134 $\pm$ 16 & 45 & & & \tablefootmark{1} \\ 293.73 & 0.63 & 116 $\pm$ 23 & 83 & & & G293.8+0.6 & 352.10 & 2.20 & $-$169 $\pm$ 9 & 104 & 2 & 130 \\ 294.29 & $-$0.90 & 449 $\pm$ 26 & 173 & 2 & 62 & & 355.43 & $-$0.81 & 601 $\pm$ 21 & 140 & 2 & 132 \\ 294.38 & $-$0.75 & 470 $\pm$ 24 & 331 & 2 & 62 & & & & \multicolumn{2}{c}{} & & & \\ \hline \end{tabular} \tablefoot{ \tablefoottext{1}{Source rejected by Haverkorn (2008), confirmed with 2.4~GHz survey.}} \end{table}