\begin{table}%t1
\caption{\label{table1}Band positions ($\lambda_c$) and $FWHM$ in nm for pure 
pyrene ice at 10~K, pyrene in \water ice at 25~K, pyrene in CO ice at 
10~K, and photoproduct bands for the Py:H$_2$O and Py:CO UV processed ices.} 
%%\centering

 \small 
\begin{tabular}{l c c c c c c}
\hline\hline\noalign{\smallskip}
Species&\multicolumn{2}{c}{Pyrene}&\multicolumn{2}{c}{Pyrene:H$_2$O}&\multicolumn{2}{c}{Pyrene:CO}\\
&$\lambda_c$&$FWHM$&$\lambda_c$&$FWHM$&$\lambda_c$&$FWHM$\\
\hline\noalign{\smallskip}
Py	$^1B_{2u}$				&312.7	&7.1		&319.2	&6.5		&319.4	&7.5	\\
					&325.3	&10.0		&329.2	&3.2		&329.2	&2.3	\\
					&341.5	&14.0		&334.0	&4.4		&334.3	&4.1	\\
Py$^{\cdot +}$ $^2B_{1u}$	&...&...				&363.2	&3.6		&...\tablefootmark{a} 	&... \tablefootmark{a}	\\
					&...&...				&354.0	&6.5		&...\tablefootmark{a} 	&...\tablefootmark{a} 		\\
					&...&...				&344.9	&6.2		&...\tablefootmark{a}  &...\tablefootmark{a}  	\\
Py$^{\cdot +}$ $^2A_u$	&...&...				&445.6	&6.6		&445.3	&7.8			\\
					&...&...				&435.5	&10.2		&...\tablefootmark{a}	&...\tablefootmark{a}			\\
					&...&...				&423.0	&12.2		&...\tablefootmark{a}	&...\tablefootmark{a}		\\
					&...&...				&413.8	&5.3		&...\tablefootmark{a}	&...\tablefootmark{a}		\\
Py$^{\cdot +}$	$^2B_{1u}$&...&...				&490.1	&10.0		&...\tablefootmark{a}	&...\tablefootmark{a}			\\
PyH$^\cdot$		&...&...				&399.4\tablefootmark{b}	&5.2\tablefootmark{b}		&400.5	&4.2		\\
					&...&...				&...\tablefootmark{a}	&...\tablefootmark{a}	&392.5	&6.7			\\
					&...&...				&...\tablefootmark{a}	&...\tablefootmark{a}	&378.4	&15.7			\\
$^3$Py $^3A_{g}^-$		&...&...				&405.0$^b$&4.5$^b$&406.2	&4.8			\\
HCO$^\cdot$ $^2A$''		&...&...				&...&...				&513.4		&17.5\\
					&...&...				&...&...				&535.3		&12.5\\
					&...&...				&...&...				&556.3		&14.5\\
					&...&...				&...&...				&583.0		&16.8\\
					&...&...				&...&...				&604.9		&10.0\\
					&...&...				&...&...				&639.2		&15.1\\
\hline
\end{tabular}
\tablefoot{\tablefoottext{a}{Absorption feature was too weak to perform an accurate fit;}} \tablefoottext{b}{features are too weak at 25~K; the 125~K values are indicated.}
\end{table}