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Table 2
Stellar parameters of GJ 3473.
| Parameter | Value | Ref. |
|---|---|---|
| Name and identifiers | ||
| Name | GJ 3473 | Gli91 |
| Alt. name | G 50–16 | Gic59 |
| Karmn | J08023+033 | Cab16 |
| TIC | 452 866 790 | Stas19 |
| TOI | 488 | TESS releases |
| Coordinates and spectral type | ||
| α (J2000) | 08 02 22.88 | Gaia DR2 |
| δ (J2000) | +03 20 19.7 | Gaia DR2 |
| Sp. type | M4.0 V | Haw96 |
| G [mag] | 12.4650 ± 0.0003 | Gaia DR2 |
| T [mag] | 11.1972 ± 0.0073 | Stas19 |
| J [mag] | 9.627 ± 0.023 | 2MASS |
| Parallax and kinematics | ||
| μα cosδ [mas yr−1] | − 403.17 ± 0.09 | Gaia DR2 |
| μδ [mas yr−1] | − 381.01 ± 0.05 | Gaia DR2 |
| π [mas] | 36.52 ± 0.05 | Gaia DR2 |
| d [pc] | 27.39 ± 0.04 | Gaia DR2 |
| γ [km s−1] | − 1.101 ± 0.011 | This work |
| U [km s−1] | − 3.11 ± 0.05 | This work |
| V [km s−1] | − 27.66 ± 0.06 | This work |
| W [km s−1] | − 66.44 ± 0.07 | This work |
| Photospheric parameters | ||
| Teff [K] | 3347 ± 54 | This work |
| log g [dex] | 4.81 ± 0.06 | This work |
| [Fe/H] [dex] | + 0.11 ± 0.19 | This work |
| Physical parameters | ||
| L⋆ [L⊙] | 0.01500 ± 0.00019 | This work |
| R⋆ [R⊙] | 0.364 ± 0.012 | This work |
| M⋆ [M⊙] | 0.360 ± 0.016 | This work |
| Activity parameters | ||
| pEW (Hα) [Å] | + 0.08 ± 0.15 | This work |
 [dex] |
− 5.62 ± 0.22 | This work |
| v sin i [km s−1 ] | <2 | This work |
| Prot [d] | 168.3 ± 4.2 | This work |
References. Gli91: Gliese & Jahreiß (1991); Gic59: Giclas et al. (1959); Cab16: Caballero et al. (2016b); Stas19: Stassun et al. (2019); Gaia DR2: Gaia Collaboration (2018); Haw96: Hawley et al. (1996); 2MASS: Skrutskie et al. (2006).
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