\begin{table}%t2
  \caption{\label{t:allephem}Eclipse egress ephemerides of HU Aqr.}
%\centering
  \begin{tabular}{ll}
    \hline\hline
    \multicolumn{2}{l}{\bf Linear ephemeris:} \\
    \multicolumn{2}{l}{BJED = $T_{0}$ + $P_{0}\cdot E$} \\ [1ex]
\par
    $T_{0} = 2~449~9102.9200839~(\pm 6) $& $P_{0} = 0.08682041087~(\pm 3)$ d\\
    $\chi^{2}_{\nu}= 345.9,
    \;\;\; \nu$ = 101 & \\ [2ex] 
\par
    \multicolumn{2}{l}{\bf Quadratic ephemeris:} \\
    \multicolumn{2}{l}{BJED = $T_{0}$ + $P_{0}\cdot E$ + $Q\cdot E^{2}$} \\ [1ex]
    $T_{0} = 2~449~102.9200164~(\pm 8)$ & $P_{0} = 0.08682042416~(\pm 8) $ d \\
    $Q  = (-3.17 \pm 0.02) \times 10^{-13}$  &  \\
    $\chi^{2}_{\nu}= 40.5,
    \;\;\; \nu = 100$ & \\ [2ex]
\par
    \multicolumn{2}{l}{\bf Sinusoidal ephemeris:} \\
    \multicolumn{2}{l}{BJED = $T_{0}$ +
      $P_{0}\cdot E$ + $A\cdot \sin~[2\pi (E-{B})/{C}]$} \\ [1ex]
$T_{0}=  2~449~102.9201788~(\pm 15)$ d & P$_{0}= 0.08682040612~(\pm 6)$ d \\
$A = (125 \pm 1) \times 10^{-6}$ d & B $= (89 \pm 4) \times 10^{3}$ cycles \\
$C = (554 \pm 5) \times 10^{2}$ cycles  & \\ 
    $\chi^{2}_{\nu}= 30.4,
    \;\;\; \nu= 98$ & \\ [2ex]
    \multicolumn{2}{l}{\bf Quadratic + sinusoidal ephemeris:} \\
    \multicolumn{2}{l} {BJED = $T_{0}$ + $P_{0}\cdot E$ + $Q\cdot E^{2}$ + 
      $A\cdot \sin~[2\pi (E-{B})/{C}]$} \\ [1ex]
    $T_{0} = 2~449~102.9198961~(\pm 25)$ & $P_{0} = 0.0868204353~(\pm 2) $ d \\
    $Q  = (-4.77 \pm 0.04) \times 10^{-13}$  & $A = (101 \pm 2) \times 10^{-6}$ d \\ 
$B = (-4190 \pm 150) $ cycles & $C = (291 \pm 1.5) \times 10^{2}$~cycles \\  
    $\chi^{2}_{\nu}= 11,
    \;\;\; \nu$ = 97 & \\  
    \hline
  \end{tabular} 
  \end{table}