Table 2
GJ 3270 basic properties.
| Parameters | LSPM J0417+0849 | Ref. |
|---|---|---|
| Karmn (a) | J04173+088 | Cab16 |
| α (J2000) | 04:17:18.52 | Gaia |
| δ (J2000) | +08:49:22.10 | Gaia |
| d [pc] | 14.59 ± 0.02 | Gaia |
| G [mag] | 11.3537 ± 0.0013 | Gaia |
| Sp. type | M4.5 V | PMSU |
| Teff [K] | 3100 ± 200 | This work (b) |
| L [L⊙] | 0.00642 ± 0.00003 | Cif20 |
| R [R⊙] | 0.278 ± 0.009 | Cif20 |
| M⋆ [M⊙] | 0.269 ± 0.013 | Cif20 |
| pEW (Hα) [Å] | − 11.5 ± 0.015 | Schf19 |
| Prot [d] | 0.369829 ± 0.0000036 | This work |
| v sin i [km s−1] | 35.3 ± 3.5 | Rei18 |
| v [km s−1] | 38.0 ± 1.2 | This work |
| i [deg] | 68 ± 15 | This work |
| U [km s−1] | − 7.75 ± 4.7 | CC16 |
| V [km s−1] | − 27.03 ± 0.38 | CC16 |
| W [km s−1] | − 15.13 ± 2.57 | CC16 |
Notes. (a) CARMENES identifier. (b)Based on original Teff determination by Cifuentes et al. (2020).
References: Gaia: Gaia Collaboration (2018); Cab16: Caballero et al. (2016) Cif20: Cifuentes et al. (2020); PMSU: Hawley et al. (1996); Schf19: Schöfer et al. (2019); Rei18: Reiners et al. (2018); CC16: Cortés-Contreras et al. (2017).
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