\begin{table}%t2
    %\centering
\par
      \caption{Equivalent hydrogen columns (log $N_{\rm H}$; cm$^{\rm -2}$), ionisation parameters (log $\xi$; erg cm s$^{\rm -1}$) and outflow velocities ($v_{\rm out}$; km~s$^{\rm -1}$) of the modelled warm absorber phases of objects listed in Table~\ref{all_gals}.\label{phase_properties}  }
   %\centering
\par
         \begin{tabular}{lllr}
            \hline\hline
            \noalign{\smallskip}
Object     & log $N_{\rm H}$ & log $\xi$ & $v_{\rm out}$  \\
            \noalign{\smallskip}
            \hline
            \noalign{\smallskip}
MR2251-178      & 21.51 & 2.9  & 250$^{{a}}$ \\
                & 20.3  & 0.68 & 250$^{{a}}$ \\
PG~0844+349      & 23.6  & 3.7  & 63~000 \\
PG~1211+143      & 23.7  & 3.4  & 24~000 \\
                & 21.8  & 1.7  & 24~000 \\
                & 22.9  & --0.9 & not given \\
IRAS 13349+2438 & 22.3  & 2.25 & 0 \\
                & 21.25 & 0    & 420 \\
NGC~4593        & 21.2  & 2.61 & 400 \\
                & 19.8  & 0.5  & 380 \\
NGC~3783        & 21.9  & 1.1  & 750$^{{b}}$ \\
                & 22.0  & 2.3  & 750$^{{b}}$ \\
                & 22.3  & 2.9  & 750$^{{b}}$ \\
Markarian 509   & 21.3  & 1.76 & 200 \\
NGC~7469        & 20.6  & 2.1  & 800  \\
NGC~3516        & 21.9  & 0.78 & 200$^{{a}}$ \\
NGC~5548        & 21.68 & 2.69 & 311 \\
                & 21.52 & 1.98 & 440 \\
                & 20.15 & 0.4  & 290 \\
MCG -6-30-15    & 21.3  & 1.25 & 150  \\
                & 21.3  & 2.5  & 1900 \\
Markarian 766   & 21.2  & 0.7  & 0   \\
NGC~4051        & 21    & 1.4  & 402 \\
Ark 564         & 21    & 0    & 150$^{{a}}$  \\
                & 21    & 2    & 150$^{{a}}$  \\
            \noalign{\smallskip}
            \hline
         \end{tabular}        
\begin{list}{}{}
\item[$^{{a}}$] Estimated from the blueshift of the UV absorber.
\item[$^{{b}}$] Average of two velocity phases at~1000 and 500~km~s$^{\rm -1}$.
\end{list}
  \end{table}