\begin{table}%tB.1
%\centering
\par
\caption{Error bars for a representative observation of Cyg X-1,
  computed using the prescription of \citet{lampton:76a}. See text for
  further explanation.\label{tab:mcfake}}
\begin{tabular}{llll}
\hline
\hline
Parameter & value & \multicolumn{2}{c}{90\% error bar} \\
          &       & \multicolumn{1}{c}{with} & \multicolumn{1}{c}{without} \\
          &       & \multicolumn{2}{c}{systematics}\\
\hline
$kT_{\rm in}$ [keV]                & 0.855  & $(-0.02,+0.03)$  & $(-0.01,+0.06)$   \\
$A_{\rm diskbb}$                   & 1276   & $(-175,+203)$    & $(-24,+40)$       \\
$kT_{\rm e}$ [keV]                 & 108    & $(-31,+45)$      & $(-20,+27)$       \\
$\tau$                              & 0.26   & $(-0.14,+0.13)$  & $(-0.12,+0.15)$   \\
$A_{\rm comptt}$  [$10^{-2}$]      & 1.86   & $(-1.0,+1.1)$    & $(-0.5,+0.7)$     \\
$\Omega/2\pi$  [\%]                 & 17.9   & $(-1.8,+1.3)$    & $(-1.1,+1.1)$     \\
$\sigma_{\rm Fe K\alpha}$ [keV]  & 1.01   & $(-0.05,+0.04)$  & $(-0.006,+0.012)$ \\
$A_{\rm Fe K \alpha}$ [$10^{-2}$] &  5.34  & $(-0.4,+0.4)$    & $(-0.07,+0.08)$   \\
$c_{\rm HEXTE}$                    & 0.999  & $(-0.004,+0.005)$& $(-0.003,+0.003)$ \\
\hline
\end{tabular}
\end{table}