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Table 1.
Stellar parameters of GJ 4276.
| Parameter | GJ 4276 | Ref.a |
|---|---|---|
| α | 22 25 17.32 | Gaia DR2 |
| δ | +59 24 45.01 | Gaia DR2 |
| SpT | M4.0 | Rei95, Lép13 |
| G (mag) | 11.6605 ± 0.0006 | Gaia DR2 |
| J (mag) | 8.75 ± 0.03 | 2MASS |
| π (mas) | 46.84 ± 0.04 | Gaia DR2 |
| μα cosδ ()mas yr−1) | 122.37 ± 0.07 | Gaia DR2 |
| μδ (mas yr−1) | − 310.10 ± 0.06 | Gaia DR2 |
| vrad (km s−1) | 4.034 | Rei18 |
| U (km s−1) | 4.4 ± 0.45 | Cor16 |
| V (km s−1) | 5.96 ± 0.16 | Cor16 |
| W (km s−1) | − 28.46 ± 1.17 | Cor16 |
| Teff (K) | 3387 ± 51 | Sch18 |
| log g (dex] | 4.97 ± 0.07 | Sch18 |
| [Fe∕H] (dex) | 0.12 ± 0.16 | Sch18 |
| M (M⊙) | 0.406 ± 0.030 | Sch18 |
| L (L⊙) | 0.0197 ± 0.0003 | Sch18 |
| R (R⊙) | 0.407 ± 0.015 | Sch18 |
| vsin i (km s−1) | <2 | Rei18 |
| Prot (d) | 64.3 ± 1.2 | This work |
| Age (Gyr) | 6.9 ± 1.1 | This work |
References. (a) Gaia DR2: Gaia Collaboration (2018); Rei95: Reid et al. (1995); Lép13: Lépine et al. (2013); 2MASS: Skrutskie et al. (2006); Roe10: Roeser et al. (2010); Rei18: Reiners et al. (2018a); Cor16: Cortés-Contreras (2016); Sch18: Schweitzer et al. (in prep.).
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