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Table 6

List of OBA benchmark candidates observed by GES. None were analyzed in any internal release so far.

Star V Type Teff log g Status
(mag) (K) (dex)

HD 93128a 6.90 O3.5V 49 300 4.10 started
HD 319699a 9.63 O5V 41 200 3.91 started
HD 163758a 7.32 O6.5Iafp 34 600 3.28 observed
HD 68450a 6.44 O9.7II 30 600 3.30 observed
τ Scobcdefg 2.81 B0.2V 31 750 4.13 observed
θ Carcd 2.76 B0Vp 31 000 4.20 observed
γ Pegbch 2.84 B2IV 22 350 3.82 observed
HD 56613c 7.21 B8V 13 000 3.92 observed
134 Taui 4.87 B9IV 10 850 4.10 observed
68 Tauj 4.31 A2IV 9 000 4.00 observed

Notes. A few more OBA stars will be observed before the end of the survey. Magnitudes and spectral types are from SIMBAD.

Reference. References for APs:

(a)

Holgado et al., in prep. (see text);

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