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Table 1
Stellar parameters taken from the literature and derived from the data used here.
| UVES 1a | UVES 2a | UVES 3a | X-Shooter 1a | X-Shooter 2b | Phot | |
|---|---|---|---|---|---|---|
| Teff (K) | 4328 ± 168 | 4383 ± 141 | 4366 ± 150 | 3978 ± 68 | 4115 | 4020d |
| log g | 4.66 ± 0.11 | 4.63±0.10 | 4.63±0.10 | 4.42 ± 0.46 | ||
| RV (km s−1) | 30.98 ± 0.43 | 30.42 ± 0.50 | 32.83 ± 0.61 | 32.3 ± 2.4 | ||
| v sin i (km s−1) | 12.6 ± 0.7 | 13.3 ± 0.9 | 14.0 ± 1.1 | 7.0 ± 12.0 | ||
![$\[log~ \dot{M}\left(\mathrm{M}_{\odot} ~\mathrm{yr}^{-1}\right)\]$](/articles/aa/full_html/2025/12/aa56230-25/aa56230-25-eq1.png) |
−8.53 | −7.86 | −8.40d | |||
| r500 | 2.27 ± 0.14 | 1.44 ± 0.18 | 1.38 ± 0.17 | |||
| r550 | 2.12 ± 0.16 | 1.44 ± 0.09 | 1.23 ± 0.12 | |||
| r600 | 1.46 ± 0.11 | 1.04 ± 0.09 | 0.93 ± 0.08 | |||
| r650 | 1.28 ± 0.13 | 0.98 ± 0.04 | 0.89 ± 0.08 | |||
| r620 | 1.0 ± 0.2 | |||||
| AV (mag) | 1.0 | 1.6 | 0.0d | |||
| Period (d) | 7.070 ± 0.007c | |||||
| Phase | 0.09 | 0.23 | 0.37 | 0.51 | 0.25 | |
| Values derived here | ||||||
| EW(Hα) (Å) | −38.5 ± 1.0 | −50.5 ± 2.5 | −57.5 ± 3.0 | −56.3 ± 3.0 | ||
| line flux Hα (10−13 erg s−1 cm−2) | 4.06 ± 0.10 | 3.52 ± 0.08 | 3.01 ± 0.05 | 2.55 ± 0.03 | ||
| r500 | 2.22 ± 0.29 | 1.37 ± 0.20 | 1.16 ± 0.09 | 1.06 ± 0.32 | 1.58 ± 0.53 | |
| r550 | 1.90 ± 0.18 | 1.31 ± 0.07 | 1.19 ± 0.15 | 1.00 ± 0.17 | 1.39 ± 0.34 | |
| r600 | 1.15 ± 0.15 | 0.82 ± 0.08 | 0.76 ± 0.13 | 0.45 ± 0.35 | 0.64 ± 0.28 | |
| r650 | 1.30 ± 0.23 | 0.95 ± 0.18 | 0.93 ± 0.17 | 0.61 ± 0.37 | 0.81 ± 0.19 | |
| AV (mag) using template star HD 200779 (RV = 3.1) | 0.05 ± 0.05 | 0.50 ± 0.15 | 0.85 ± 0.15 | 0.85 ± 0.10 | 0.45 ± 0.15 | |
| AV (mag) using PHOENIX Teff = 4000 K (RV=3.1) | 0.45 ± 0.40 | 0.95 ± 0.30 | 1.30 ± 0.35 | 1.30 ± 0.30 | 0.95 ± 0.25 | |
Notes. a Manara et al. (2021) (PENELLOPE data), b Maucó et al. (2023), c Froebrich et al. (2022) (HOYS data), d Manzo-Martínez et al. (2020) (PANSTARSS data).
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