Table A.2.
Journal of calibrator stars that were used to calibrate the interferometric observations of β Lyr.
| Parameter | Unit | Calibrator |
|||
|---|---|---|---|---|---|
| HD 76437 | HD 192640 | HD 189849 | HD 168914 | ||
| Spectral type | B9III | A2V | A4III | A7V | |
| Teff | (K) | 11 226 | 87 774 | 7804 | 7600 |
| log g(cgs) | 4.11 | 4.42 | 3.89 | 4.20 | |
| V | (mag) | 3.250 | 4.9493 | 4.651 | 5.122 |
| θLD | (mas) | 0.755 ± 0.019a | 0.471 ± 0.033b | 0.517 ± 0.036b | 0.456 ± 0.023c |
| θUD (V) | (mas) | 0.727 ± 0.018 | 0.449 ± 0.031 | 0.489 ± 0.034 | 0.432 ± 0.022 |
| θUD (R) | (mas) | 0.733 ± 0.018 | 0.454 ± 0.032 | 0.496 ± 0.035 | 0.437 ± 0.022 |
| θUD (I) | (mas) | 0.738 ± 0.019 | 0.458 ± 0.032 | 0.501 ± 0.035 | 0.441 ± 0.022 |
| θUD (H) | (mas) | 0.737 ± 0.015 | 0.465 ± 0.033 | 0.510 ± 0.036 | 0.463 ± 0.033 |
Notes. V denotes apparent magnitude in the Johnson’s V passband, θLD limb-darkened-disk angular diameter, θUD uniform-disk angular diameter, and V, R, I, H denote Johnson-series passbands. Apparent magnitudes and limb-darkened angular diameters were taken from the following sources: (1) Johnson (1966), (2) Häggkvist & Oja (1966), (3) Moffett & Barnes (1979),
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