Ewan D. Barr edited Scattering times.tex  almost 9 years ago

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The scattering timescale can also be expressed in terms of dispersion measure (DM). Here we will use the empirical model of \citet{Bhat_2004}, that relates $\tau_s$ to DM via  \begin{equation}  \log \tau_s = -6.46 + 0.154 \log{\rm DM} + 1.07 (\log{\rm DM})^2 - 3.86 \log{\nu} \log{\nu}.  \end{equation}  In Table \ref{tab:mid_bands} we list the post-rebaselining observing bands of SKA1\_MID. Considering only the lowest frequency of each band (i.e. the frequency for which scattering will have the largest effect), we may determine the minimum physical timing resolution.