Debris disc sizes (outer belt radii) obtained via SED fitting and corrected for the luminosity-dependent blowout grain size (Pawellek & Krivov 2015) vs. directly measured disc radii derived from spatially resolved observations (values and references for the stars observed in ESO periods P 96 through 100 are in Table D.1). Disc sizes derived from VIS/NIR or FIR/submm observations are marked in dark blue. Disc sizes derived from MIR observations are marked in light blue. The dashed line marks equality. Marked in light grey at Rdisc (obs) = 1 au are those targets that do not have spatially resolved observations.
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