Comparison between the interferometric observables measured in 2009 and those from the reconstructed images within the CO line profile shown in Fig. 5. The first, second, third, and fourth columns show the comparison for the continuum, blue wing, line center, and red wing, respectively. The filled circles in the top row (a)–d)) show the positions within the CO line profile. In the remaining panels, the observed data and those from the image reconstruction are plotted by the dots and triangles, respectively. The reduced χ2 values including the visibilities, phases, and closure phases, are given in the panels in the bottom row.
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