\begin{table}%t1 \caption{\label{tbl:ircscan}Parameters for mid-infrared all-sky survey operation.} %\centering \par \begin{tabular}{lcc} \hline\hline \noalign{\smallskip} Filter band (Camera)& $S9W$ (MIR-S) & $L18W$ (MIR-L)\\ \hline \noalign{\smallskip} Wavelength\tablefootmark{\ddagger} & 6.7--11.6~$\mu$m & 13.9--25.6~$\mu$m \\ Isophotal wavelength & 8.61~$\mu$m & 18.39~$\mu$m\\ Effective bandwidth & 4.10~$\mu$m & 9.97~$\mu$m \\ Sampling rate (period) & \multicolumn{2}{c}{22.27~Hz (44~ms)}\\ Scan rate (exposure\tablefootmark{*}) & \multicolumn{2}{c}{216$''$ s$^{-1}$ (11~ms)} \\ Reset rate (period) & \multicolumn{2}{c}{0.074~Hz (13.464~s)}\\ Operation & \multicolumn{2}{c}{$256\times2$~ pix}\\ Operated row & \multicolumn{2}{c}{$117^{\rm th}$, $125^{\rm th}$}\\ Binning & \multicolumn{2}{c}{$4\times1$~pix}\\ Virtual pixel scale & $9\farcs36\times9\farcs36$ & $10\farcs4\times9\farcs36$ \\ Detection limit (5$\sigma$) & 50~mJy\tablefootmark{\dagger} & 120~mJy\tablefootmark{\dagger}\\ \hline \end{tabular} \tablefoot {\tablefoottext{*}{Effective exposures for point sources are determined not by the sampling rate, but by the dwelling time of a source on a pixel.} \\ \tablefoottext{\dagger}{Estimated value from readout noise in shuttered configuration \mbox{in-orbit}.}\\ \tablefoottext{\ddagger}{Defined as where the responsivity for a given energy is larger than~$1/e$ of the~peak.}} \end{table}