Table A.2.
Stellar parameters derived from photometry and astrometry.
| Parameter | Value |
|---|---|
| Angular diameter log(Θ (rad)) |  |
| Color excess E(B − V) | 0.397 ± 0.024 mag |
| Extinction parameter RV |  |
| Effective temperature Teff |  K |
| Surface gravity log(g (cm s−2)) (prescribed (a)) | 3.00 ± 0.08 |
| Microturbulence ξ (fixed (a)) | 0 km s−1 |
| Metallicity z (fixed (a)) | 0.02 dex |
| Helium abundance log(n(He)) (fixed (a)) | −0.50 |
| Surface ratio (fixed) | 1 |
| Blackbody temperature Tbb |  K |
| Blackbody surface ratio |  |
| Parallax ϖ (b) | 0.4403 ± 0.0856 mas |
| Radius R⋆ = Θ/(2ϖ) | 5.5 ± 1.1 R⊙ |
Mass  |
1.1 ± 0.5 M⊙ |
Luminosity  |
2.95 ± 0.19 |
Notes. The given uncertainties are single-parameter 1σ confidence intervals based on χ2 statistics. A generic excess noise of 0.025 mag has been added in quadrature to all photometric measurements (see Fig. A.3) to achieve a reduced χ2 of unity at the best fit.
Adopted from Gaia DR2 (Brown 2018).
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