\begin{table}%t2
\caption{\label{tab:optBCD}\hst\ sample.}
%\centerline
 {\small 
\begin{tabular}{@{}lcccrrcccrrc@{}}
\hline\hline\noalign{\smallskip}
Name & Dist.~$^{\rm a}$  & $12+$  & $T_{\rm e}$~$^{\rm c}$ 
& \nesii~$^{\rm d}$  & \nerms~$^{\rm e}$  & \multicolumn{1}{c}{$F_{H\beta}$~$^{\rm f}$}  & \multicolumn{1}{c}{$EW$(H$\beta$)~$^{\rm g}$}  & Filter &  $D$~$^{\rm h}$  &  $D$~$^{\rm i}$ & Ref.$^{\rm j}$ \\
& (Mpc) & $\log ({\rm O/H})~^{\rm b}$ & ($\times10^4$ K) 
& (cm$^{-3}$) & (cm$^{-3}$) & \multicolumn{1}{c}{($\times$10$^{-14}$}
& \multicolumn{1}{c}{(\AA)} && (pixel) & (pc) \\
&&&&&& erg~cm$^{-2}$~s$^{-1}$) \\
(1) & (2) & (3) & (4) & (5) & (6) & (7) & (8) & (9) & (10) & (11) & (12) \\
\hline 
Haro~3 &  18.5 &   8.34 & 1.019 &   180 &    37 &  26.4 &   146 & $F606W$ &   11.6 &   70.2  & 1, 2 \\ 
He~2-10-A     &  10.4 &   8.34 & 1.120 &   383 &   450 & 261.0 &    34 & $F814W$ &   12.1 &   91.4  & 3, 4, 5\\ 
HS~0822$+$3542 & 12.6 &   7.46 & 2.000 &   390 &     7 &   0.5 &   272 & $F814W$ &   30.2 &   69.1  & 2, 6, 7, 8 \\ 
II~Zw~40       &  11.1 &   8.13 & 1.302 &   190 &    77 &   8.5 &   259 & $F814W$ &   18.0 &   36.4  & 2, 9 \\ 
I~Zw~18-NW     & 14.6 &   7.17 & 1.997 &   120 &    10 &   3.2 &    81 & $F814W$ &   35.1 &  167.8  & 2, 10 \\ 
Mrk~59-1    &  13.4 &   8.01 & 1.354 &    79 &    13 &  15.1 &   150 & $F606W$ &   27.6 &  268.7  & 2, 11\\ 
Mrk~71-A    &    4.4 &   7.89 & 1.568 &   150 &   163 &  87.3 &   357 & $F814W$ &    7.5 &   23.9  & 10, 12\\ 
Mrk~209      &   5.2 &   7.81 & 1.561 &   100 &    57 &  14.6 &   224 & $F814W$ &   13.4 &   25.5   & 2, 10 \\ 
Mrk~930      &   74.6 &   8.06 & 1.230 &    58 &     6 &   6.9 &    93 & $F606W$ &   16.7 &  905.9   & 13 \\ 
Mrk~996      & 21.7 &   8.00 & 1.500 &   450 &   108 &  20.2 &   129 & $F791W$ &    6.0 &   95.2  & 14 \\ 
NGC~1140      &  19.8 &   8.28 & 1.024 &    70 &     6 &   6.7 &    51 & $F814W$ &   24.5 &  352.9  & 1, 9, 15 \\ 
NGC~1156      &   6.5 &   8.39 & 1.630 &    30 &   353 & 240.0 &    87 & $F814W$ &   10.7 &   12.7  & 12, 16 \\ 
NGC~1741-A    &  54.6 &   8.12 & 1.130 &   120 &    88 &  88.9 &   137 & $F814W$ &    8.5 &  337.5  & 3, 9, 15 \\ 
NGC~5253-1    &  2.5 &   8.17 & 1.190 &   290 &  1603 & 223.9 &   181 & $F814W$ &    8.3 &    7.6  & 4, 17 \\ 
Pox~186       &  17.5 &   7.74 & 1.694 &   350 &    36 &   3.5 &   375 & $F814W$ &    4.2 &   53.8  & 18 \\ 
SBS~0335$-$052  &   53.7 &   7.30 & 2.000 &   412 &    10 &   1.9 &   230 & $F791W$ &    3.5 &  134.4  & 2, 15, 19, 20 \\ 
SBS~1415$+$437  & 12.8 &   7.61 & 1.700 &    60 &    22 &   4.5 &   166 & $F791W$ &    8.0 &   74.7  & 22 \\ 
Tol~1214$-$277  &  115.6 &   7.55 & 1.979 &   325 &     7 &   1.9 &   290 & $F814W$ &    4.3 &  358.2  & 15, 23 \\ 
Tol~1924$-$416a &  42.4 &   7.94 & 1.390 &    78 &    64 &   9.7 &    59 & $F814W$ &    2.0 &   61.3  & 24, 25, 26 \\ 
Tol~65        &  32.0 &   7.54 & 1.732 &   120 &    17 &   2.6 &   221 & $F814W$ &    4.3 &   98.5   & 23, 27 \\ 
UGC~4483     &   5.1 &   7.58 & 1.700 &   100 &    21 &   2.2 &   169 & $F814W$ &   12.4 &   46.4  & 15, 21\\ 
UM~311        &   22.6 &   8.31 & 0.970 &    44 &    26 &  10.5 &   279 & $F814W$ &    2.7 &   43.9  & 13, 15 \\ 
VII~Zw~403     &  1.5 &   7.73 & 1.540 &    41 &    45 &   4.7 &   153 & $F814W$ &   12.2 &   13.1   & 10, 12, 15 \\ 
\hline
\end{tabular}}
\medskip
$^{{\rm a}}$  Distance from NED; $^{{\rm b}}$ oxygen abundance in ionized gas; $^{{\rm c}}$ electron temperature; $^{{\rm d}}$ electron number density \nesii\ measured from the ratio of $\lambda\lambda$6717,6731~\AA; $^{{\rm e}}$~rms electron number density \nerms\ inferred from the H$\beta$ emission measure with diameters as in Col.~11, corrected for extinction and ionized helium as described in the text;
$^{{\rm f}}$~H$\beta$ flux in the spectroscopic slit; $^{{\rm g}}$ equivalent width of H$\beta$ emission; $^{{\rm h}}$ diameters of brightest star-forming complex as described in the text, without the enlargement factor;
$^{{\rm i}}$ diameters of brightest star-forming complex (1.5$\times$ that measured in the continuum) as described in the text; $^{{\rm j}}$~spectroscopic references: 1)~Izotov \& Thuan (\cite{izotov04b}); 2)~Thuan \& Izotov (\cite{thuan05});
3)~Vacca \& Conti (\cite{vacca92}); 4)~Kobulnicky et~al. (\cite{kobulnicky99b});
5)~Johnson et~al. (\cite{johnson00}); 6)~Kniazev et~al. (\cite{kniazev00});
7)~Corbin et~al. (\cite{corbin05}); 8)~Izotov et~al. (\cite{izotov06});
9)~Guseva et~al. (\cite{guseva00}); 10)~Izotov et~al. (\cite{izotov97});
11)~Noeske et~al. (\cite{noeske00}); 12)~Hunter \& Hoffman (\cite{hunter99});
13)~Izotov \& Thuan (\cite{izotov98}); 14)~Thuan et~al. (\cite{thuan96});
15)~Izotov et~al. (\cite{izotov07}); 16)~Moustakas \& Kennicutt (\cite{moustakas06}); 17) Walsh \& Roy (\cite{walsh89}); 18)~Guseva et~al. (\cite{guseva04}); 19)~Izotov et~al. (\cite{izotov99}); 20)~Izotov et~al. (\cite{izotov_schaerer06}); 21)~Izotov et~al. (\cite{izotov94}); 22) Guseva et~al. (\cite{guseva03}); 23)~Izotov et~al. (\cite{izotov_chaffee01}); 24) Guseva et~al. (\cite{guseva07}); 25)~Papaderos et~al. (\cite{papaderos06}); 26)~Kehrig et~al. (\cite{kehrig06}); 27)~Izotov et~al. (\cite{izotov04a}); 28)~Kniazev et~al. (\cite{kniazev01}).
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  \end{table}