Table 1.
Summary of the properties of the giant star in LS II +14 13 (Gaia BH3) and the interferometric calibrator BD+08 4132.
| Source | LS II +14 13 | BD+08 4132 | Ref. |
|---|---|---|---|
| α (ICRS) | 19:39:18.7115 | 19:32:20.5577 | 1 |
| δ (ICRS) | +14:55:54.011 | +08:48:23.731 | 1 |
| ϖ (mas) | 1.644 ± 0.069 | 1.179 ± 0.015 | 1 |
| G mag. | 11.2311 ± 0.0028 | 10.3592 ± 0.0028 | 1 |
| Ks mag. | 9.075 ± 0.015 | 7.965 ± 0.020 | 2 |
| Teff (K) | 5212 ± 80 | ≈4800 | 3, 4 |
| log g | 2.929 ± 0.003 | ≈2.26 | 3, 4 |
| θLD (μas) | 38.54 ± 0.12 | 126 ± 3 | 3, 4 |
| θUD, K (μas) | 36.78 ± 0.12 | 122 ± 3 | 3, 4, 5 |
Notes. θLD and θUD are the limb darkened and uniform disk angular diameters, respectively. References: (1) Gaia Collaboration (2021); (2) Skrutskie et al. (2006); (3) Gaia Collaboration (2024); (4) JMMC SearchCal (Bonneau et al. 2011; Chelli et al. 2016); (5) Claret & Bloemen (2011).
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