Table 1
Stellar parameters of HD 191939.
| Parameter | Value | Reference |
|---|---|---|
| Name | HD 191939 | HD |
| TIC 269701147 | TESS | |
| TOI-1339 | TOI | |
| HIP 99175 | HIP | |
| Coordinates and spectral type | ||
| α (J2000) | 20h08m05s.755 | Gaia |
| δ (J2000) | +66°51′02″.077 | Gaia |
| Spectral type | G9 V | L22 |
| Parallax and kinematics | ||
| µa (mas yr−1) | 150.256 ± 0.044 | Gaia |
| µδ (mas yr−1) | −63.909 ± 0.047 | Gaia |
| Parallax (mas) | 18.706 ± 0.071 | Gaia |
| Distance (pc) | 53.48 ± −0.20 | BA20 |
| Vr (km s−1) | −9.266 ± 0.002 | Gaia |
| Magnitudes | ||
| B (mag) | 9.720 ± 0.038 | TYC |
| V (mag) | 8.97 ± 0.03 | HIP |
| G (mag) | 8.7748 ± 0.0002 | Gaia |
| T (mag) | 8.292 ± 0.006 | TESS |
| J (mag) | 7.597 ± 0.029 | 2MASS |
| H (mag) | 7.215 ± 0.023 | 2MASS |
| K (mag) | 7.180 ± 0.021 | 2MASS |
| Stellar parameters | ||
| Radius R* (R⊙) | 0.94± 0.02 | BA20, L22 |
| Mass M* (M⊙) | 0.92 ± 0.06 | BA20 |
| 0.81 ± 0.04 | L22 | |
| ρ* (g cm−3) | 1.56 ± 0.15 | BA20 |
| 1.37 ± 0.11 | L22 | |
| L* (L⊙) | 0.69 ± 0.01 | BA20 |
| 0.65 ± 0.02 | L22 | |
| Teff (K) | 5427 ± 50 | BA20 |
| 5348 ± 100 | L22 | |
| log(g (cm s−2)) | 4.3 ± 0.1 | L22 |
| Metallicity (Fe/H) | −0.15 ± 0.06 | L22 |
| Age (Gyr) | 7±3 | BA20 |
| log(R′HK) | −5.11 ± 0.05 | L22 |
| v sin i (km s−1) | 0.6 ± 0.5 | BA20 |
| <2.0 | L22 | |
Reference. HD: Cannon & Pickering (1993); TESS: Stassun et al. (2018); TOI: Guerrero et al. (2021); HIP: van Leeuwen (2007); Gaia: Gaia Collaboration (2018), Soubiran et al. (2018); L22: Lubin et al. (2022); BA20: Badenas-Agusti et al. (2020); TYC: Høg et al. (2000); 2MASS: Cutri et al. (2003). Parallax is corrected for a systematic offset of +0.082±0.033 mas, as described in Stassun & Torres (2018).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.