\begin{table}%t2 \par %{0.8} \vspace*{-1.5mm} \caption {\label{tab2}Best-fit radiative transfer model parameters for Orion \iwater\ emission components.} \vspace*{-3mm} %\centering \par \begin{tabular}{lccccccc} \hline\hline\\[-4mm] %\noalign{\smallskip} \rule{0mm}{4.5mm} & $\Delta v$ & $T_{\rm gas}$ & $n({\rm H_2})$ & $T_{\rm dust}$\tablefootmark{\dagger} & & $N($ortho/para-\iwater) & ~\raisebox{-1mm}{Total Inferred}~ \\*[1mm] \phantom{0}\hspace{4mm}Source\hspace{22.1mm} & (km s$^{-1}$) & (K) & (cm$^{-3}$) & (K) & $\theta_{\rm source}$ & (cm$^{-2}$) & \water\ Abundance\tablefootmark{\ddagger} \\[0.5mm] %*[1.2mm] \hline\\[-4mm] \rule{0mm}{5mm}Extended warm gas \dotfill\ & 2--8 & ~~75 & 2~$\times$~10$^6$ & 30 & 20\asec\ & ~~7.4~$\times$~10$^{15}$~(ortho)~/~2.0~$\times$~10$^{15}$~(para)~~ & 1.6~$\times$~10$^{-5}$ \\[0.5mm] %*[1.2mm] Plateau \dotfill\ & ~20--34~ & ~~188~~ & ~~2~$\times$~10$^6$~~ & 113.6 & 24\asec\ & 1.2~$\times$~10$^{16}$~(ortho)~/~2.8~$\times$~10$^{15}$~(para) & 7.4~$\times$~10$^{-5}$ \\[0.5mm] %*[1.2mm] Hot core \dotfill\ & 10 & ~150~ & 1~$\times$~10$^7$ & ~180~ & ~~5\asec\ & 1.5~$\times$~10$^{16}$~(ortho)~/~5.0~$\times$~10$^{15}$~(para) & 1.0~$\times$~10$^{-5}$ \\[0.5mm] %*[1.2mm] \hline \end{tabular} \vspace*{-2mm} \tablefoot {\tablefoottext{\dagger}{Greybody fit to the Orion continuum of the form:~ $B_{\tilde{\nu~}}(T_{\rm dust}) \times\ (0.0233~\tilde{\nu})^{0.486}$, where $\tilde{\nu}$ is wavelength in wavenumbers.} \tablefoottext {\ddagger}{Assumes $^{16}$O/$^{18}$O$~=~$500 and $N$(H$_2)~=\:$3~$\times$~10$^{23}$, 1~$\times$~10$^{23}$, and 1~$\times$~10$^{24}$ cm$^{-2}$ in a 30\asec\ beam for the extended ridge, plateau, and hot core, respectively \citep{Blake87}.} %\vspace{-4mm} } \end{table}