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Table 2

Reference stars and their parameters, including the spectral type, the visual magnitude (mV), and the predicted uniform-disk angular diameter (in mas) together with its corresponding uncertainty derived from the JMMC SearchCal software (Bonneau et al. 2006; Lafrasse et al. 2010).

Reference stars Spectral type mV θUD[R]
[mag] [mas]
C1 HD 18604 B6III 4.70 0.259 ± 0.018
C2 HD 224926 B7III-IV 5.10 0.192 ± 0.014
C3 HD 15633 A3V 6.01 0.252 ± 0.018
C4 HD 23363 B7IV 5.25 0.201 ± 0.014
C5 HD 219402 A2V 5.55 0.249 ± 0.018
C6 HD 6530 A0V 5.58 0.234 ± 0.017
C7 HD 34203 A0V 5.52 0.221 ± 0.016
C8 HD 30034 F0V 5.38 0.407 ± 0.029
C9 HD 43445 B9V 5.00 0.239 ± 0.017
C10 HD 32249 B3IV 4.81 0.176 ± 0.012
C11 HD 46487 B5IV/V 5.08 0.180 ± 0.013
C12 HD 34863 B7/8V 5.28 0.181 ± 0.013

Notes. The uncertainties on the reference stars are about 7%, which is conservative.

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