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Table 2

Interferometric calibrators (angular diameters values from Lafrasse et al. 2010).

HR Identifier Spectral type UD diameter (mas)
H band K band

HR 1543 F6V 2.160 2.166
HR 2275 M1III 3.653 3.682
HR 2469 M0III 2.499 2.519
HR 2508 M1Iab 5.050 4.370
HR 3950 M2III 4.574 4.610

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