\begin{table}%ta.8 online
\caption{\label{iras08208abun}Physical conditions and chemical abundances of the ionized gas of the regions analyzed in IRAS 08208+2816.}
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{\small \begin{tabular}{l@{\hspace{8pt}}  r@{\hspace{6pt}}     r@{\hspace{6pt}}r@{\hspace{6pt}} r@{\hspace{6pt}}r@{\hspace{6pt}}} 
\hline \hline
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Region & $C$  &   \#3$^a$ &   \#5$^a$ &   \#8$^a$ &   \#10$^a$	   \\
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$T_{\rm e}$(O III) (K) &  $10~100 \pm 700$  & $9400  \pm 900$  &   $9600 \pm 1000$  &$6750 \pm 1000$  & $9500 \pm 1000$ \\
$T_{\rm e}$(O II) (K) & $10~100 \pm 500$  & $9600 \pm 700$  & $9700 \pm 800$&    $7700 \pm 800$  & $9650 \pm 800$ \\
$n_{\rm e}$ (cm$^{-3}$)       &   $<$100            &  $<$100  	      &  $<$100       	&  $<$100	      &  $<$100	    \\
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12+log(O$^{+}$/H$^+$)   &    7.77  $\pm$  0.09  &	 8.15  $\pm$  0.13  &    8.08  $\pm$  0.15  &    8.39  $\pm$  0.15  &    8.20  $\pm$  0.18 \\
12+log(O$^{++}$/H$^+$)  &    8.20  $\pm$  0.07  &	 8.01  $\pm$  0.11  &    8.10  $\pm$  0.12  &    8.28  $\pm$  0.14  &    7.82  $\pm$  0.17 \\
12+log(O/H)$^c$         &    8.33  $\pm$  0.08  &	 8.24:            &    8.27:            &    \nodata          &    \nodata         \\
12+log(O/H)$^d$         &    8.41  $\pm$  0.10  &	 8.39  $\pm$  0.11  &    8.39  $\pm$  0.13  &    8.64  $\pm$  0.15  &    8.35  $\pm$  0.17 \\
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log(O$^{++}$/O$^+$)     &    0.43  $\pm$  0.12  &	 0.15  $\pm$  0.17  &    0.02  $\pm$  0.19  & $-$0.10  $\pm$  0.20  & $-$0.38  $\pm$  0.22 \\
12+log(N$^+$/H$^+$)     &    6.88  $\pm$  0.05  &	 6.98  $\pm$  0.08  &    6.96  $\pm$  0.10  &    7.54  $\pm$  0.10  &    6.97  $\pm$  0.14 \\
12+log(N/H)             &    7.44  $\pm$  0.10  &	 7.22  $\pm$  0.11  &    7.27  $\pm$  0.13  &    7.80  $\pm$  0.16  &    7.12  $\pm$  0.17 \\
log(N/O)                & $-$0.89  $\pm$  0.11  & $-$1.17  $\pm$  0.13  & $-$1.12  $\pm$  0.14  & $-$0.84  $\pm$  0.15  & $-$1.22  $\pm$  0.18 \\
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12+log(S$^+$/H$^+$)     &    5.94  $\pm$  0.05  &	 6.25  $\pm$  0.08  &    6.33  $\pm$  0.09  &    6.73  $\pm$  0.12  &    6.34  $\pm$  0.13 \\
12+log(S$^{++}$/H$^+$)  &    6.52  $\pm$  0.16  &	 6.56  $\pm$  0.28  &    \nodata  	&    \nodata	      & \nodata 	\\
12+log(S/H)             &    6.69  $\pm$  0.13  &	 6.75  $\pm$  0.23  &    \nodata  	&    \nodata	      & \nodata 	\\
log(S/O)                & $-$1.64  $\pm$  0.16  & $-$1.64  $\pm$  0.25  &    \nodata  	&    \nodata	      & \nodata 	\\
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12+log(Ne$^{++}$/H$^+$) &    7.52  $\pm$  0.11  &	 7.37  $\pm$  0.19  &    7.53  $\pm$  0.22  &    7.60  $\pm$  0.25  &    \nodata	    \\
12+log(Ne/H)            &    7.66  $\pm$  0.11  &	 7.75  $\pm$  0.18  &    7.82  $\pm$  0.22  &    7.96  $\pm$  0.25  &    \nodata	    \\
log(Ne/O)               & $-$0.67  $\pm$  0.13  & $-$0.64  $\pm$  0.21 & $-$0.57  $\pm$  0.25  & $-$0.68  $\pm$  0.26  &    \nodata	    \\
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12+log(Ar$^{+2}$/H$^+$) &    5.78  $\pm$  0.08  &	 6.11  $\pm$  0.15  &    \nodata  	&    \nodata	      &    \nodata	    \\
12+log(Ar/H)            &    5.86  $\pm$  0.11  &	 5.92  $\pm$  0.15  &    \nodata  	&    \nodata	      &    \nodata	    \\
log(Ar/O)               & $-$2.51  $\pm$  0.15  & $-$2.47  $\pm$  0.18  &    \nodata  	&    \nodata	      &    \nodata	    \\
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12+log(Fe$^{++}$/H$^+$) &    5.90  $\pm$  0.15  &	 \nodata	  &    \nodata  	&    \nodata	      &    \nodata	   \\
12+log(Fe/H)            &    6.47  $\pm$  0.15  &	 \nodata	  &    \nodata  	&    \nodata	      &    \nodata	   \\
log(Fe/O)               & $-$1.95  $\pm$  0.17  &	 \nodata	  &    \nodata  	&    \nodata	      &    \nodata	   \\
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12+log(He$^+$/H$^+$)    &   10.97  $\pm$  0.04  &	10.95  $\pm$  0.07  & 11.03  $\pm$  0.09 &   10.90  $\pm$  0.12  &  10.94:     \\
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[O/H]$^b$               & $-$0.33  $\pm$  0.13  & $-$0.27             & $-$0.27              & $-$0.02             & $-$0.31	    \\
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\end{tabular}}
\medskip
$^a$~Electron temperatures estimated using empirical relations; $^b$~[O/H]~=~$\log$(O/H)-log(O/H)$_{\odot}$, using 12+log(O/H)$_{\odot}$~=~$8.66 \pm 0.05$ \citep{ASP05};  $^c$~oxygen abundance computed using the direct method; $^d$~oxygen abundance computed using the empirical calibrations given by \citet{P01a,P01b}.
\end{table}