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Table 2
Stellar parameters of TOI-776.
| Parameter | Value | Reference |
|---|---|---|
| Name and identifiers | ||
| Name | LP 961-53 | Luyten (1974) |
| TOI | 776 | TESS Science Office |
| TIC | 306 996 324 | Stassun et al. (2018) |
| Coordinates and spectral type | ||
| α | 11:54:18.39 | Gaia DR2 |
| δ | −37:33:09.8 | Gaia DR2 |
| SpT | M1 V | Gaidos et al. (2014) |
| Magnitudes | ||
| V (mag) | 11.54 ± 0.04 | UCAC4 |
| g (mag) | 12.35 ± 0.12 | UCAC4 |
| G (mag) | 10.7409 ± 0.0005 | Gaia DR2 |
| r (mag) | 10.92 ± 0.03 | UCAC4 |
| i (mag) | 10.05 ± 0.09 | UCAC4 |
| J (mag) | 8.483 ± 0.018 | 2MASS |
| H (mag) | 7.877 ± 0.040 | 2MASS |
| K s (mag) | 7.615 ± 0.020 | 2MASS |
| Parallax and kinematics | ||
| π (mas) | 36.78 ± 0.04 | Gaia DR2 |
| d (pc) | 27.19 ± 0.03 | Gaia DR2 |
| μ α cosδ (mas yr-1) | + 251.112 ± 0.051 | Gaia DR2 |
| μ δ (mas yr-1) | − 145.059 ± 0.083 | Gaia DR2 |
| V r (km s-1) | 49.34 ± 0.22 | Gaia DR2 |
| U (km s-1) | 60.71 ± 0.08 | This work(a) |
| V (km s-1) | −28.27 ± 0.17 | This work(a) |
| W (km s-1) | 18.73 ± 0.09 | This work(a) |
| Photospheric parameters | ||
| T eff (K) | 3709 ± 70 | This work |
| 3766 ± 100 | Gaidos et al. (2014) | |
| logg | 4.727 ± 0.025 | This work |
| (Fe/H) | − 0.20 ± 0.12 | This work |
| Physical parameters | ||
| R(R ⊙) |
|
This work |
| 0.53 ± 0.05 | Gaidos et al. (2014) | |
| L(L ⊙) | 0.049 ± 0.002 | This work |
| 0.050 ± 0.013 | Gaidos et al. (2014) | |
| M(M ⊙) |
|
This work |
| 0.56 ± 0.07 | Gaidos et al. (2014) | |
| Age (Gyr) |
|
This work |
References. Gaia DR2: Gaia Collaboration (2018); UCAC4: Zacharias et al. (2013); 2MASS: Skrutskie et al. (2006).
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