Fig. C.2.
Beam size monitoring. “OTF”-labelled pink data points show the FWHM estimates from a 2D Gaussian fit on the maps of OTF raster scans towards bright sources, whereas the “Pointing”-labelled light green data points are FWHM estimates obtained by interpolating the median-filtered pointing-based FWHM at the time of the scans. The pointing-based FWHM estimates are obtained by fitting a 2D Gaussian on the maps of pointing scans.
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