\begin{table}%t5
\caption{\label{ta:data}Detailed results of parallax and proper motions measurements.}
%\centering
 \small\begin{tabular}{c c c c c}
\hline \hline \noalign {\smallskip}
Background & $v_{\rm LSR}$ & Parallax & $\mu_\alpha$ & $\mu_\delta$\\
source     & (${\rm km~s^{-1}}$)    & (mas) & (${\rm mas~yr^{-1}}$) & (${\rm mas~yr^{-1}}$)\\
\hline
\multicolumn{5}{c}{{\bf ON~1}}\\
\hline
\multicolumn{5}{c}{{\bf Northern group}}\\
J2003+3034 &--0.4      & $0.521\pm0.055~$ & $-3.33\pm0.18$ & $-5.26\pm0.41$\\ %c
&~0.0       & $0.401\pm0.052~$ & $-3.72\pm0.17$ & $-5.26\pm0.21$\\ %c
&~0.4       & $0.361\pm0.052~$ & $-3.82\pm0.17$ & $-5.28\pm0.19$\\  %c
&~0.7       & $0.526\pm0.057~$ & $-3.36\pm0.19$ & $-5.19\pm0.34$\\ %check
&\multicolumn{1}{l}{Combined fit} & $0.299\pm0.112^1$ &&\\
&\multicolumn{1}{l}{Averaging data} &$0.391\pm0.061~$ &&\\
\noalign{\smallskip}
J2009+3049 &--0.4    & $0.380\pm0.121~$ & $-2.87\pm0.39$  & $-4.88\pm0.31$\\ %c
           &~0.0     & $0.459\pm0.140~$ &$-2.68\pm0.46$   & $-4.80\pm0.22$\\
           &~0.4     & $0.483\pm0.142~$ &$-2.59\pm0.48$   & $-4.79\pm0.20$\\
           &~0.7     & $0.415\pm0.112~$  & $-2.81\pm0.37$ & $-4.78\pm0.23$\\ %check
&\multicolumn{1}{c}{Combined fit} &$0.482\pm0.137$\tablefootmark{1} &&\\
&\multicolumn{1}{c}{Averaging data} &$0.368\pm0.070~$ &&\\
\noalign{\smallskip}
\multicolumn{5}{c}{{\bf Southern group} }\\
J2003+3034 & 14.4     &   & $-3.88\pm0.12$ & $-5.92\pm0.14$\\
           & 14.8     &   & $-3.75\pm0.09$ &$-6.03\pm0.11$\\
           & 15.1     &   & $-3.67\pm0.21$ &$-6.09\pm0.19$\\
\noalign{\smallskip}
J2009+3034 & 14.4     &   & $-3.00\pm0.15$ & $-5.49\pm0.20$\\
           & 14.8     &   & $-2.88\pm0.21$ &$-5.59\pm0.26$\\
           & 15.1     &   & $-2.77\pm0.29$ &$-5.65\pm0.35$\\
\hline\noalign{\smallskip}
Both QSOs & \multicolumn{1}{l}{Combined fit}   &$0.390\pm0.116$\tablefootmark{1}& & \\
& \multicolumn{1}{l}{Averaging data} &$\mathbf{0.389\pm0.045~}$&&\\
$\langle \mu \rangle _{\rm north}(\sigma)_{pm}$ & &  & $-3.15\pm0.89(0.44)$\tablefootmark{2} &$-5.03\pm0.46(0.22)~$\tablefootmark{2}\\
$\langle \mu \rangle _{\rm south}(\sigma)_{pm}$ & &  & $-3.33\pm0.90(0.45)~$\tablefootmark{2} &$-5.80\pm0.46(0.23)~$\tablefootmark{2} \\
\hline
\multicolumn{5}{c}{{\bf L~1206}}\\
\hline
J2223+6249 &--13.3     & $1.163\pm0.222~$ & $0.24\pm0.85$ & $-2.84\pm0.40$\\
           &--12.9     & $1.116\pm0.263~$ & $0.08\pm0.92$ & $-2.59\pm0.48$\\
           &--10.9     & $1.083\pm0.170~$ & $0.23\pm0.90$ & $-2.85\pm0.23$\\
           &--10.5     & $1.485\pm0.190~$ & $0.56\pm0.31$ & $-1.61\pm1.42$\\
           &\multicolumn{1}{l}{Combined fit} & $1.318\pm0.282$\tablefootmark{1} & &\\
           &\multicolumn{1}{l}{Averaging data}&$1.331\pm0.180~$&&\\
\noalign{\smallskip}
J2225+6411 &--13.3           & $1.311\pm0.408~$ &$0.22\pm0.51$ & $-0.28\pm0.63$\\
           &--12.9           & $1.322\pm0.386~$ &$0.41\pm0.50$ & $-0.65\pm0.56$\\
           &--10.9           & $1.300\pm0.416~$ & $0.35\pm0.52$ & $-0.50\pm0.65$\\
           &--10.5           & $1.174\pm0.237~$ & $0.05\pm0.64$ & $~~~0.11\pm0.27$\\
           &\multicolumn{1}{l}{Combined fit}& $1.272\pm0.384$\tablefootmark{1}&&\\
           &\multicolumn{1}{l}{Averaging data}&$1.288\pm0.241~$&&\\
\hline\noalign{\smallskip}
Both QSOs  &\multicolumn{1}{l}{Combined fit}&$1.331\pm0.250$\tablefootmark{1}&&\\
           &\multicolumn{1}{l}{Averaging data}&$\mathbf{1.289\pm0.153}~$&&\\
$\langle \mu \rangle (\sigma)_{pm}$ & & & $0.27\pm0.23(0.16)$\tablefootmark{2} &$-1.40\pm1.95(1.15)~$\tablefootmark{2}\\
\noalign{\smallskip}
\hline
\multicolumn{5}{c}{{\bf L~1287}}\\
\hline
J0035+6130&--27.0          &$1.111\pm0.074~$ &$-0.18\pm0.10$ &$-2.30\pm0.25$\\
          &--23.9          &$0.928\pm0.078~$ &$-1.02\pm0.12$ &$-2.28\pm0.08$\\
          &--23.5          &$0.957\pm0.093~$ &$-0.93\pm0.11$ &$-2.48\pm0.12$\\
          &--23.2          &$1.002\pm0.084~$ &$-0.88\pm0.11$ &$-2.39\pm0.09$\\
          &--22.8          &$0.940\pm0.083~$ &$-1.14\pm0.11$ &$-2.78\pm0.10$\\
          &--22.5          &$0.917\pm0.067~$ &$-1.17\pm0.12$ &$-3.28\pm0.07$\\
&\multicolumn{1}{l}{Combined fit}&$0.984\pm0.086$\tablefootmark{1}&&\\
          &\multicolumn{1}{l}{Averaging data} & $1.016\pm0.052~$&&\\
J0037+6236&--27.0           &$1.306\pm0.071~$ &$-0.14\pm0.10$ &$-1.71\pm0.40$\\
          &--23.9           &$1.244\pm0.044~$ &$-0.88\pm0.04$ &$-1.72\pm0.27$\\
          &--23.5           &$1.225\pm0.040~$ &$-0.81\pm0.04$ &$-1.77\pm0.25$\\
          &--23.2           &$1.011\pm0.101~$ &$-0.88\pm0.14$ &$-1.83\pm0.12$\\
          &--22.8           &$0.945\pm0.125~$ &$-1.17\pm0.20$ &$-2.20\pm0.14$ \\
\hline
\noalign{\smallskip}
          &--22.5           &$1.330\pm0.043~$&$-1.01\pm0.04$&$-2.64\pm0.37$\\
          &\multicolumn{1}{l}{Combined fit}&$1.192\pm0.107$\tablefootmark{1}&&\\
          &\multicolumn{1}{l}{Averaging data}& $1.150\pm0.052~$&&\\
\hline\noalign{\smallskip}
Both QSOs &\multicolumn{1}{l}{Combined fit}&$1.079\pm0.069$\tablefootmark{1}&&\\
          &\multicolumn{1}{l}{Averaging data}& $\mathbf{1.077\pm0.039~}$&&\\
$\langle \mu \rangle (\sigma)_{pm}$ & & &$-0.86\pm0.11(0.33)^2$& $-2.29\pm0.56(0.46)$\tablefootmark{2}\\
\hline
\multicolumn{5}{c}{{\bf NGC~281-W}}\\
\hline
J0047+5657 &--30.2     &$0.416\pm0.054~$&$-2.64\pm0.15$ &$-1.75\pm0.10$\\
           &--29.9     &$0.380\pm0.045~$&$-2.54\pm0.12$ &$-1.72\pm0.08$\\
           &--29.5     &$0.401\pm0.041~$&$-2.58\pm0.19$ &$-1.72\pm0.07$\\
           &--29.2     &$0.404\pm0.047~$&$-2.69\pm0.22$ &$-1.75\pm0.08$\\
           &--28.8     &$0.497\pm0.026~$&$-2.55\pm0.04$ &$-1.69\pm0.13$\\
           &--28.1     &$0.529\pm0.028~$&$-2.68\pm0.04$ &$-1.52\pm0.14$\\
           &\multicolumn{1}{l}{Combined fit}&$0.400\pm0.070^1$ &&\\
          &\multicolumn{1}{l}{Averaging data}& $0.398\pm0.042~$ &&\\
\noalign{\smallskip}
J0052+5703 &--30.2      &$0.459\pm0.049~$&$-2.79\pm0.06$ &$-1.87\pm0.27$\\
           &--29.9      &$0.420\pm0.048~$&$-2.68\pm0.05$ &$-1.84\pm0.25$\\
           &--29.5      &$0.388\pm0.048~$&$-2.75\pm0.05$ &$-1.84\pm0.22$\\
           &--29.2      &$0.408\pm0.054	$&$-2.87\pm0.07$ &$-1.87\pm0.20$\\
           &--28.8      &$0.602\pm0.056~$&$-2.65\pm0.07$ &$-1.82\pm0.26$\\
           &--28.1      &$0.648\pm0.055~$&$-2.76\pm0.07$ &$-1.65\pm0.34$\\
           &\multicolumn{1}{l}{Combined fit}&$0.399\pm0.054$\tablefootmark{1} &&\\
          &\multicolumn{1}{l}{Averaging data}& $0.425\pm0.024~$&&\\
\noalign{\smallskip}
Both QSOs &\multicolumn{1}{l}{Combined fit}&$0.412\pm0.045$\tablefootmark{1}&&\\
          &\multicolumn{1}{l}{Averaging data}& $\mathbf{0.421\pm0.022~}$&&\\
$\langle \mu \rangle (\sigma)_{pm}$ & & &$-2.69\pm0.16(0.10)^2$&$-1.77\pm0.11(0.10)~$\tablefootmark{2}\\
\hline
\multicolumn{5}{c}{{\bf S~255}}\\
\hline
J0613+1708 & 4.6     & $\mathbf{0.628\pm0.027}~$ & $-0.14\pm0.05$ & $-0.84\pm1.67$\\
$\mu_{pm}$  &   & & $-0.14\pm0.54$\tablefootmark{2} & $-0.84\pm1.76$\tablefootmark{2}\\
\hline
\end{tabular}
\tablefoot{\tablefoottext{1}{ The error of  the combined fit multiplied by $\sqrt{N}$, where $N$ is the number of maser spots;} \tablefoottext{2}{we calculated an unweighted arithmetic mean of the individual proper motion results from all maser spots and background sources. The error bar on the mean is the  standard error of the mean to which was added, in quadrature, the apparent movement between the two background sources of the respective coordinate. The uncertainty in the proper motion, which is introduced by the background source, is hereby taken into account. In parenthesis is given the standard deviation of the mean.}}
\vspace*{-3mm}
\end{table}