\begin{table}%t2
\caption{\label{fits_1705hard}Best-fitting values and associated errors for different modelization
   used to fit the hard state data of \object{4U 1705-44}.}
\par
%\centerline
{\small     
\begin{tabular}{ll lll }
\hline\hline             
Parameter              & Units                  & \multicolumn{3}{c}{Values}     \\
\hline  \noalign{\smallskip}          
                       &                    & Model 1 & Model 2 & Model 3 \\
\hline
$N_{\rm H}$         &  10$^{22}$ cm$^{-2}$  &   2.7\tablefootmark{a} & 2.7\tablefootmark{a} & 2.7\tablefootmark{a}    \\  
Disk/BB $kT$        & keV            &  0.30 $\pm$ 0.04 & 0.43~$\pm$~0.03  & 0.23~$\pm$~0.12    \\
Disk Normalization &               &                         &  70\tablefootmark{a} &  1200\tablefootmark{a}        \\
BB radius          & km            &  14 $\pm$ 5    &       &                  \\
Disk/BB flux      & 10$^{-10}$ erg cm$^{-2}$ s$^{-1}$ &  0.16--0.30  & 0.19--0.48     & 0.08--0.29   \\
Comptt $kT_0$  & keV    &   $\rm 0.55_{-0.02}^{+0.01}$ & 0.57 $\pm$ 0.03  &   0.50 $\pm$ 0.01 \\
Comptt $kT_{\rm e}$  & keV    &   14.4 $\pm$ 0.2        & $\rm 13.8_{-0.3}^{+0.2}$  & 
$\rm 13.8_{-0.3}^{+0.2}$ \\
Comptt $\tau$  &        &   5.5\tablefootmark{a}  & 5.5\tablefootmark{a} & 5.5\tablefootmark{a}  \\
Comptt flux    & 10$^{-10}$ erg cm$^{-2}$ s$^{-1}$ &   2.6--6.2   & 2.5--5.7  & 2.1--5.2   \\
Iron line      & keV                              & 6.50 $\pm$ 0.07 &            &       \\
Iron $\sigma$  &                                  & 0.41 $\pm$ 0.08 &            &        \\
Line {\it EW}        & eV                               & 60 $\pm$ 25                  &         \\
Inner radius   & $R_{\rm g}$	          &  & $\rm 30_{-24}^{+60}$   &  30\tablefootmark{a}	        \\
Outer radius   & $R_{\rm g}$	          &  & $\rm 700_{-300}^{+5000}$ &  1000\tablefootmark{a}	 \\
Betor          &                                  &  & 2.3\tablefootmark{a} &  2.3\tablefootmark{a}              \\
Inclination    & degrees                          &  & 35\tablefootmark{a}  & 35\tablefootmark{a}      \\
$kT_{\rm ion}$     & keV     &               & 1.8 $\pm$ 0.3 & 1.6 $\pm$ 0.2                 \\
log $\xi$      & &                       & $<$1.1      & $<$1.04                      \\
Refbb Flux           & 10$^{-10}$ erg cm$^{-2}$ s$^{-1}$ & & 0.08--0.24   &  0.08--0.29 \\
$\chi^2_{\rm red}$ (d.o.f.)                            & & 743 (727)  & 747 (726)  & 753 (726) \\
\hline
\end{tabular}}
\tablefoot{\tablefoottext{a}{Frozen parameter during the fitting procedure}}
\end{table}