\begin{table}
%\centering
\par
     \caption{\label{tab:fit} Best-fit parameters derived from the spectral analysis
             of the 58 stellar sources in the XMM-Newton Bright Serendipitous
             survey, with errors measured as the 90\% confidence range.}
   \scriptsize\begin{tabular}{lcccccccc}
\hline\hline
    \noalign{\smallskip}
    Id. & $kT_{1}$ & $kT_{2}$ & $EM_{1}$/$EM_{2}$ & 
    $Z/Z_\odot$ & $N_{\rm H}$ & $\chi^2$ & 
    Counts$^\dag$ & Unabsorbed flux$^\ddag$ \\
    \noalign{\smallskip}
%    {\small (XBSS $\dots$)} & {\small (keV)} & {\small (keV)} & 
%    {\small cm$^{-3}$} & & & {\small ($\times 10^{21}$ cm$^{-2}$)} & 
%    {\small (d.o.f.)} & {\small ($\times 10^{-13}$ erg cm$^{-2}$ s$^{-1}$)}\\
    (XBSS $\dots$) & (keV) & (keV) & & &
    ($\times 10^{21}$ cm$^{-2}$) & (d.o.f.) & &
    ($\times 10^{-13}$ erg cm$^{-2}$ s$^{-1}$)\\
    \hline
    \noalign{\smallskip}
    J001002.4+110831 & $\rm 0.98_{-0.11}^{+0.09}$ & --                      &
    --    & $\rm 0.09_{-0.04}^{+0.05}$ & $\rm 0.34_{-0.34}^{+0.55}$ & 1.25 (66) &
    828 & $\rm 7.31_{-1.01}^{+1.13}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J001051.6+105140$^{**}$
                     & $\rm 0.10_{-0.02}^{+0.01}$ & $\rm 2.01_{-0.33}^{+0.62}$ &
    6.60 & $\rm 1.33_{-0.36}^{+0.38}$ & $\rm 2.12_{-0.40}^{+0.59}$ & 0.69 (24) &
    69 & $\rm 0.84_{-0.00}^{+0.00}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J001749.7+161952 & $\rm 0.41_{-0.03}^{+0.04}$ & --                      &
    --    & $\rm 1.09_{-0.08}^{+0.08}$ & $\rm 0.00_{-0.00}^{+0.33}$ & 0.85 (53) &
    890 & $\rm 1.42_{-1.26}^{+0.14}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J002953.1+044524 & $\rm 0.23_{-0.04}^{+0.04}$ & --                     &
    --    & $\rm 0.94_{-0.12}^{+0.13}$ & $\rm 5.89_{-1.01}^{+1.03}$ & 1.13 (29) &
    361 & $\rm 9.25_{-8.40}^{+2.38}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J005822.9$-$274016 & $\rm 0.81_{-0.23}^{+0.19}$ & --                      &
    --    & $\rm 0.04_{-0.03}^{+0.04}$ & $\rm 0.13_{-0.13}^{+1.11}$ & 0.81 (36) &
    434 & $\rm 1.35_{-0.41}^{+0.32}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J012757.2+190000 & $\rm 1.00_{-0.13}^{+0.10}$ & --                      &
    --    & $\rm 0.14_{-0.07}^{+0.11}$ & $\rm 0.00_{-0.00}^{+0.57}$ & 1.13 (31) &
    391 & $\rm 5.94_{-2.52}^{+0.15}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J012757.3+185923 & $\rm 0.75_{-0.05}^{+0.04}$ & --                      &
    --    & $\rm 0.16_{-0.05}^{+0.07}$ & $\rm 0.25_{-0.25}^{+0.50}$ & 0.94 (81) &
    1086 & $\rm 18.73_{-3.18}^{+1.86}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J014100.6$-$675328 & $\rm 10.19_{-1.08}^{+1.60}$ & --                     &
    --    & $\rm 1.14_{-0.36}^{+0.39}$ & $\rm 0.00_{-0.00}^{+0.03}$ & 1.18 (328)&
    9567 & $\rm 8.01_{-1.48}^{+2.75}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J021830.0$-$045514 & $\rm 0.34_{-0.06}^{+0.05}$ & $\rm 1.16_{-0.02}^{+0.02}$ &
    1.27 & $\rm 0.16_{-0.03}^{+0.04}$ & $\rm 0.30_{-0.25}^{+0.29}$ & 1.21 (226) &
    6044 & $\rm 2.18_{-0.18}^{+0.34}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J040744.6$-$710846 & $\rm 0.99_{-0.16}^{+0.35}$ & --                     &
    --    & $\rm 0.06_{-0.04}^{+0.07}$ & $\rm 0.05_{-0.05}^{+0.05}$ & 1.16 (39) &
    323 & $\rm 0.70_{-0.22}^{+0.19}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J040807.2$-$712702 & $\rm 0.35_{-0.04}^{+0.07}$ & $\rm 0.95_{-0.06}^{+0.07}$ &
    1.29 & $\rm 0.11_{-0.02}^{+0.03}$ & $\rm 0.19_{-0.17}^{+0.36}$ & 1.00 (215) &
    3222 & $\rm 3.97_{-0.53}^{+0.61}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J051617.1+794408$^{*}$
                       & $\rm 0.34_{-0.02}^{+0.03}$ & $\rm 0.92_{-0.05}^{+0.05}$ &
    0.91 & $\rm 0.13_{-0.02}^{+0.04}$ & $\rm 0.10_{-0.10}^{+0.24}$ & 0.91 (332) & 
    5170 & $\rm 2.42_{-0.73}^{+0.05}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J052048.9$-$454128 & $\rm 0.40_{-0.06}^{+0.07}$ & $\rm 0.93_{-0.09}^{+0.09}$ &
    0.77 & $\rm 0.11_{-0.04}^{+0.06}$ & $\rm 0.00_{-0.00}^{+0.34}$ & 0.94 (263) &
    3708 & $\rm 4.47_{-0.33}^{+0.85}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J052155.0$-$252200 & $\rm 0.72_{-0.13}^{+0.10}$ & --                      &
    --    & $\rm 0.23_{-0.14}^{+0.70}$ & $\rm 3.37_{-1.16}^{+1.22}$ & 0.75 (54) &
    220 & $\rm 1.31_{-0.99}^{+0.27}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J062425.7$-$642958 & $\rm 0.47_{-0.19}^{+0.11}$ & --                      &
    --    & $\rm 0.11_{-0.08}^{+0.54}$ & $\rm 1.34_{-1.34}^{+3.21}$ & 0.66 (35) &
    227 & $\rm 1.73_{-1.14}^{+0.37}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J074359.7+744057 & $\rm 0.30_{-0.04}^{+0.05}$ & $\rm 1.20_{-0.20}^{+0.40}$ &
    5.43 & $\rm 0.08_{-0.06}^{+0.10}$ & $\rm 2.73_{-1.09}^{+1.06}$ & 0.92 (65) &
    1430 & $\rm 4.03_{-3.53}^{+0.01}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J080309.8+650807 & $\rm 0.50_{-0.03}^{+0.05}$ & --                      &
    --    & $\rm 1.45_{-0.14}^{+0.71}$ & $\rm 0.00_{-0.00}^{+0.80}$ & 1.40 (59) &
    707 & $\rm 0.96_{-0.48}^{+0.13}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J085427.8+584158 & $\rm 0.61_{-0.08}^{+0.06}$ & --                      &
    --    & $\rm 0.09_{-0.04}^{+0.06}$ & $\rm 0.00_{-0.00}^{+0.52}$ & 0.71 (62) &
    945 & $\rm 1.36_{-0.35}^{+0.21}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J091043.4+054757 & $\rm 1.02_{-0.22}^{+0.26}$ & --                      &
    --    & $\rm 0.04_{-0.03}^{+0.05}$ & $\rm 0.21_{-0.21}^{+0.73}$ & 1.05 (74) &
    1235 & $\rm 1.18_{-0.23}^{+0.26}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J095955.2+251549 & $\rm 1.01_{-0.06}^{+0.05}$ & --                      &
    --    & $\rm 0.12_{-0.03}^{+0.04}$ & $\rm 0.76_{-0.35}^{+0.21}$ & 1.05 (114) &
    3214 & $\rm 1.39_{-0.23}^{+0.21}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J102044.1+081424 & $\rm 0.33_{-0.03}^{+0.04}$ & --                      &
    --    & $\rm 0.03_{-0.02}^{+0.03}$ & $\rm 1.33_{-0.46}^{+0.45}$ & 1.15 (48) &
    1117 & $\rm 2.72_{-1.58}^{+0.34}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J105131.1+573439 & $\rm 0.32_{-0.08}^{+0.08}$ & $\rm 0.93_{-0.14}^{+0.18}$ &
    1.14 & $\rm 0.15_{-0.06}^{+0.20}$ & $\rm 0.05_{-0.05}^{+0.90}$ & 0.94 (79) &
    1834 & $\rm 1.02_{-0.53}^{+0.10}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J110320.1+355803 & $\rm 0.27_{-0.02}^{+0.02}$ & $\rm 0.71_{-0.06}^{+0.13}$ &
    4.18 & $\rm 0.06_{-0.01}^{+0.01}$ & $\rm 0.00_{-0.00}^{+0.01}$ & 1.29 (391) &
    11147 & $\rm 3.97_{-2.03}^{+1.92}$\\
    %________________________________________________________________________
    \noalign{\smallskip}
    J122751.2+333842 & $\rm 0.26_{-0.03}^{+0.04}$ & $\rm 0.89_{-0.08}^{+0.09}$ &
    1.23 & $\rm 0.21_{-0.09}^{+0.26}$ & $\rm 0.00_{-0.00}^{+0.71}$ & 0.70 (67) &
    1844 & $\rm 1.01_{-0.77}^{+0.03}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J122655.1+012002 & $\rm 1.08_{-0.31}^{+0.31}$ & --                      &
    --    & $\rm 0.08_{-0.07}^{+0.16}$ & $\rm 0.00_{-0.00}^{+0.11}$ & 0.80 (59) &
    708 & $\rm 0.33_{-0.26}^{+0.09}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J122837.3+015720 & $\rm 0.27_{-0.04}^{+0.03}$ & $\rm 1.04_{-0.08}^{+0.10}$ &
    1.99 & $\rm 0.17_{-0.06}^{+0.08}$ & $\rm 1.12_{-0.74}^{+1.30}$ & 0.81 (135) &
    1857 & $\rm 1.78_{-0.83}^{+0.34}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J122942.3+015525 & $\rm 0.29_{-0.06}^{+0.07}$ & $\rm 1.03_{-0.10}^{+0.13}$ &
    0.90 & $\rm 0.35_{-0.14}^{+0.27}$ & $\rm 1.94_{-1.13}^{+1.20}$ & 0.96 (79) &
    1059 & $\rm 1.72_{-0.78}^{+0.33}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J123208.7+640304 & $\rm 0.25_{-0.07}^{+0.10}$ & $\rm 1.09_{-0.15}^{+0.23}$ &
    1.09 & $\rm 0.10_{-0.07}^{+0.24}$ & $\rm 0.28_{-0.28}^{+1.95}$ & 0.85 (44) &
    534 & $\rm 0.64_{-0.40}^{+0.14}$\\
    %________________________________________________________________________
    \noalign{\smallskip}
    J123549.1$-$395026 & $\rm 0.32_{-0.01}^{+0.01}$ & $\rm 0.90_{-0.04}^{+0.04}$ &
    1.73 & $\rm 0.19_{-0.04}^{+0.04}$ & $\rm 0.00_{-0.00}^{+0.27}$ & 1.08 (216) &
    6004 & $\rm 2.16_{-0.58}^{+0.19}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J123600.7$-$395217$^{*}$ 
                       & $\rm 0.31_{-0.01}^{+0.01}$ & $\rm 1.01_{-0.03}^{+0.02}$ &
    0.81 & $\rm 0.22_{-0.04}^{+0.04}$ & $\rm 0.00_{-0.00}^{+0.01}$ & 1.42 (617) & 
    34052 & $\rm 14.05_{-3.64}^{+2.45}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J124938.7$-$060444 & $\rm 0.64_{-0.01}^{+0.01}$ & $\rm 1.21_{-0.02}^{+0.02}$ &
    0.83 & $\rm 0.17_{-0.01}^{+0.01}$ & $\rm 0.01_{-0.01}^{+0.02}$ & 1.15 (517) &
    40463 & $\rm 22.39_{-1.46}^{+0.66}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J133321.2+503102 & $\rm 0.60_{-0.04}^{+0.04}$ & --                      &
    --    & $\rm 0.09_{-0.02}^{+0.03}$ & $\rm 0.98_{-0.38}^{+0.41}$ & 1.09 (170) &
    1190 & $\rm 1.25_{-0.20}^{+0.24}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J133626.9$-$342636 & $\rm 0.98_{-0.41}^{+0.32}$ & --                      &
    --    & $\rm 0.07_{-0.06}^{+0.15}$ & $\rm 0.03_{-0.03}^{+2.15}$ & 0.48 (16) &
    466 & $\rm 0.51_{-0.35}^{+0.15}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J134732.0+582103 & $\rm 0.82_{-0.03}^{+0.03}$ & --                      &
    --    & $\rm 0.06_{-0.01}^{+0.01}$ & $\rm 0.00_{-0.00}^{+0.15}$ & 1.06 (177) &
    4120 & $\rm 1.75_{-0.16}^{+0.15}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J140219.6$-$110458 & $\rm 0.44_{-0.12}^{+0.16}$ & --                      &
    --    & $\rm 1.11_{-0.94}^{+3.88}$ & $\rm 2.76_{-1.68}^{+1.83}$ & 1.02 (39) &
    491 & $\rm 1.16_{-0.62}^{+0.18}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J140936.9+261632 & $\rm 0.35_{-0.06}^{+0.09}$ & $\rm 0.94_{-0.18}^{+0.17}$ &
    2.48 & $\rm 0.08_{-0.08}^{+0.06}$ & $\rm 0.29_{-0.29}^{+1.03}$ & 1.04 (95) &
    2402 & $\rm 0.78_{-0.29}^{+0.13}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J142800.1+424409 & $\rm 0.28_{-0.05}^{+0.08}$ & $\rm 0.93_{-0.11}^{+0.12}$ &
    1.87 & $\rm 0.23_{-0.11}^{+0.36}$ & $\rm 1.00_{-1.00}^{+2.07}$ & 0.84 (90) &
    1226 & $\rm 1.07_{-0.40}^{+0.18}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J142901.2+423048 & $\rm 0.49_{-0.08}^{+0.06}$ & --                      &
    --    & $\rm 0.99_{-0.72}^{+4.00}$ & $\rm 0.00_{-0.00}^{+0.42}$ & 1.15 (59) &
    805 & $\rm 0.70_{-0.66}^{+0.50}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J143923.1+640912 & $\rm 0.49_{-0.03}^{+0.02}$ & --                      &
    --    & $\rm 1.11_{-0.62}^{+3.89}$ & $\rm 0.01_{-0.01}^{+0.09}$ & 1.35 (120) &
    2155 & $\rm 1.61_{-1.35}^{+0.26}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J153156.6$-$082610 & $\rm 0.57_{-0.32}^{+0.08}$ & --                      &
    --    & $\rm 0.11_{-0.04}^{+0.22}$ & $\rm 1.07_{-0.98}^{+3.43}$ & 0.87 (84) &
    909 & $\rm 0.88_{-0.82}^{+1.63}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J162911.1+780442 & $\rm 0.70_{-0.41}^{+0.20}$ & --                      &
    --    & $\rm 0.04_{-0.02}^{+0.02}$ & $\rm 0.00_{-0.00}^{+0.92}$ & 1.00 (21) &
    280 & $\rm 1.13_{-0.88}^{+0.08}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J162944.8+781128 & $\rm 0.74_{-0.23}^{+0.16}$ & --                      &
    --   & $\rm 0.10_{-0.08}^{+0.29}$ & $\rm 0.10_{-0.10}^{+2.27}$ & 1.09 (9) & 
    150 & $\rm 0.80_{-0.78}^{+0.19}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J165313.3+021645 & $\rm 0.64_{-0.05}^{+0.04}$ &--                      &
    --    & $\rm 0.56_{-0.30}^{+4.43}$ & $\rm 0.09_{-0.09}^{+1.18}$ & 0.93 (79) &
    1318 & $\rm 0.70_{-0.67}^{+0.15}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J165710.5+352024$^{**}$
                     & $\rm 0.85_{-0.36}^{+0.28}$ & --                      &
    --    & $\rm 0.08_{-0.07}^{+0.33}$ & $\rm 0.06_{-0.06}^{+3.11}$ & 1.21 (7) &
    232 & $\rm 1.24_{-0.60}^{+0.35}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J205847.0$-$423704 & $\rm 0.74_{-0.09}^{+0.06}$ & -                      &
    --    & $\rm 0.14_{-0.06}^{+0.07}$ & $\rm 0.34_{-0.34}^{+0.57}$ & 1.21 (72) &
    1096 & $\rm 0.71_{-0.31}^{+0.18}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J212635.8$-$445046 & $\rm 0.62_{-0.06}^{+0.05}$ & --                      &
    --    & $\rm 0.11_{-0.04}^{+0.07}$ & $\rm 0.17_{-0.17}^{+0.78}$ & 1.14 (78) &
    1899 & $\rm 1.52_{-0.70}^{+0.31}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J213840.5$-$424241 & $\rm 0.47_{-0.14}^{+0.09}$ & --                      &
    --    & $\rm 0.97_{-0.13}^{+0.13}$ & $\rm 0.00_{-0.00}^{+1.93}$ & 0.97 (118) &
    1261 & $\rm 0.72_{-0.67}^{+0.06}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J215323.7+173018 & $\rm 1.31_{-0.29}^{+0.48}$ & --                      &
    --    & $\rm 0.14_{-0.11}^{+0.30}$ & $\rm 1.05_{-1.05}^{+1.36}$ & 0.98 (75) &
    507 & $\rm 0.69_{-0.21}^{+0.27}$ \\
\hline
    J221750.4$-$083210 & $\rm 0.23_{-0.04}^{+0.05}$ & $\rm 1.09_{-0.22}^{+0.28}$ &
    3.61 & $\rm 0.71_{-0.12}^{+0.11}$ & $\rm 2.44_{-1.59}^{+1.15}$ & 0.99 (49) &
    546 & $\rm 1.76_{-1.43}^{+0.09}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J222852.2$-$050915 & $\rm 0.52_{-0.07}^{+0.05}$ & --                      &
    --    & $\rm 0.50_{-0.23}^{+1.92}$ & $\rm 0.36_{-0.36}^{+0.88}$ & 1.04 (131) &
    1550 & $\rm 0.92_{-0.62}^{+0.18}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J224833.3$-$511900 & $\rm 0.30_{-0.03}^{+0.03}$ & --                      &
    --    & $\rm 0.65_{-0.14}^{+0.13}$ & $\rm 4.94_{-0.52}^{+0.73}$ & 1.03 (26) &
    170 & $\rm 2.41_{-2.26}^{+0.64}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J224846.6$-$505929 & $\rm 0.69_{-0.48}^{+0.14}$ & --                      &
    --    & $\rm 0.09_{-0.07}^{+0.53}$ & $\rm 0.00_{-0.00}^{+2.48}$ & 0.55 (20) &
    139 & $\rm 0.52_{-0.39}^{+0.16}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J225349.6$-$172137$^{**}$ 
                     & $\rm 0.13_{-0.06}^{+0.05}$ & --                      &
    --    & $\rm 4.74_{-4.72}^{+0.26}$ & $\rm 8.88_{-3.85}^{+8.46}$ & 0.94 (20) &
    71 & $\rm 61.89_{-61.85}^{+2.00}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J230408.2+031820 & $\rm 0.31_{-0.05}^{+0.09}$ & $\rm 0.91_{-0.09}^{+0.13}$ &
    1.48 & $\rm 0.15_{-0.05}^{+0.16}$ & $\rm 0.54_{-0.12}^{+0.17}$ & 1.23 (81) &
    1936 & $\rm 4.17_{-0.90}^{+0.69}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J231541.2$-$424125 & $\rm 0.47_{-0.07}^{+0.07}$ & --                      &
    --    & $\rm 0.71_{-0.53}^{+4.29}$ & $\rm 0.19_{-0.19}^{+0.89}$ & 1.08 (79) &
    862 & $\rm 0.69_{-0.63}^{+0.17}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J231553.0$-$423800 & $\rm 0.78_{-0.17}^{+0.26}$ & --                      &
    --    & $\rm 0.02_{-0.01}^{+0.02}$ & $\rm 0.92_{-0.80}^{+0.79}$ & 1.01 (70) &
    1247 & $\rm 0.73_{-0.21}^{+0.16}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J233325.7$-$152240 & $\rm 0.29_{-0.07}^{+0.08}$ & $\rm 0.97_{-0.02}^{+0.03}$ &
    2.41 & $\rm 0.09_{-0.02}^{+0.05}$ & $\rm 1.09_{-0.60}^{+0.54}$ & 1.31 (153) &
    2853 & $\rm 2.35_{-0.91}^{+0.33}$ \\
    %________________________________________________________________________
    \noalign{\smallskip}
    J235032.3+363156 & $\rm 1.13_{-0.14}^{+0.14}$ & --                      &
    --    & $\rm 0.34_{-0.10}^{+0.09}$ & $\rm 0.00_{-0.00}^{+0.52}$ & 0.77 (29) & 
    152 & $\rm 1.05_{-0.64}^{+0.24}$ \\
    \hline
    \end{tabular}
\par
\smallskip
    {\small $^{\dag}$ Total net counts in the EPIC (MOS + PN)
                      chips.\\ 
            $^{\ddag}$ Unabsorbed flux in 0.5--10 keV.\\
            $^{*}$ For these sources, a 3T-model has been 
                   used to obtain an accurate fitting to the hard tail of
                   their X-ray spectrum. The parameters of their third thermal
                   component are 
                   a) XBSS J051617.1+794408 (HD 32558):
                   $kT_{3} = 4.32_{-2.50}^{+3.28}$ keV, 
                   $EM_{1}/EM_{3} = 3.57$ and
                   b) XBSS J123600.7$-$395217 (CD-39 7717B, TWA 11B):
                   $kT_{3} = 2.39_{-0.15}^{+0.16}$ keV,
                   $EM_{1}/EM_{3} = 0.75$.\\
            $^{**}$ Problematic sources. The fitting in these stars
                    is much less accurate due to the low number of
                    counts in their spectra after background
                    subtraction.}
	\end{table}