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Table 6

Binary fit parameters for the two calibrator stars HD 31952 and HD 34053.

Star Obs. date Flux ratio Separation (mas) Position angle (°) UDDpri (mas) UDDsec (mas)
       
HD 31952 2012-10-(19,20) 3.76 ± 0.07 7.03 ± 0.12 95.55 ± 2.35 0.15 ± 0.02 0.15 ± 0.03
HD 34053 2012-10-(18,19,20) 1.17 ± 0.05 1.66 ± 0.23 85.82 ± 3.27 0.14 ± 0.02 0.16 ± 0.04

Notes. Flux ratio isgiven as primary/secondary, the position angle is taken from north to east and UDD is the uniform disk diameter of the individual stars.

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