\begin{table}%t3
\caption{Atmospheric parameters of  HD 74000.\label{tabatm} }
\begin{tabular}{rrrr}
\hline\hline
\Teff & log g & [Fe/H] & Ref.\\
\hline\\
 6375 &4.00&$-2.00$ & \cobold\ model\\
 6320 &4.50&$-2.00$ & \cobold\ model\\
 6126 &4.01&$-1.80$ & Zhang \& Zhao (2005)\\
 6040 &4.20&$-2.17$ & Arnone et~al. (2005)\\
 6392 &4.27&$-1.96$ & Melendez \& Ramirez (2004)\\
 6109 &    &$-1.96$ & Nordstr\"om et~al. (2004)\\
 6203 &4.03&$-2.05$ & Gehren et~al. (2004)\\
 6216 &4.09&$-1.96$ & Gratton et~al. (2003)\\
 6025 &4.10&$-2.0 $ & Fulbright (2000)\\
 6040 &    &$-2.02$ & Ryan et~al. (1999) \\
 6190 &4.13&$-2.00$ & Smith et~al. 1998)\\
 6090 &4.00&$-2.00$ & Hobbs \& Thorburn (1997)\\
 6184 &4.13&$-1.69$ & Nissen et~al. (1997)\\
 6224 &4.50&$-2.00$ & Alonso et~al. (1996)\\
 6341 &5.19&$-1.52$ & Gratton et~al.  (1996)\\
 6090 &4.15&$-2.08$ & Beveridge \& Sneden (1994)\\
 6211 &3.92&$-1.93$ & Axer et~al. (1994)\\
 6090 &4.35&$-1.98$ & Tomkin et~al. (1992)\\
 6146 &3.90&$-2.23$ & Magain (1989)\\
 6072 &4.2 &$-2.06$ &Hartmann \& Gehren (1988)\\
 6222 &4.5 &$-1.80$ &Peterson (1978)\\
\hline
\end{tabular}
\end{table}