Left panel: simulated excess noise with respect to inclination. The red dash lines indicate the error interval around the total excess noise ϵtot, as explained in the text and Appendix A.3 (solid red line). Right panels: astrometric simulation for the median inclination (Ic = 4.87°) that is compatible with the Gaia data. The black dotted lines show the along-scan angle at each FoV transit; the red plus is the focus of the orbit, and the green plus is the centroid of measurements. The residuals in the bottom panel are calculated relative to the centroid.
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