Open Access
Table 1
Summary of the stellar parameters of TOI-1736 and TOI-2141.
| Parameter | TOI-1736 | TOI-2141 | Ref. |
|---|---|---|---|
| ID (TYC) | 4313-01054-1 | 1540-497-1 | |
| ID (TIC) | 408618999 | 287256467 | |
| RA (hh:mm:ss.ss) | 02:53:44.4053447688 | 17:15:02.9060957472 | 1 |
| Dec (dd:mm:ss.ss) | +69:06:05.066418744 | +18:20:26.764729476 | 1 |
| Epoch (ICRS) | J2000 | J2000 | 1 |
| Proper motion in RA, μα (mas yr−1) | −46.468 ± 0.011 | 52.229 ± 0.013 | 1 |
| Proper motion in Dec, μδ (mas yr−1) | −14.490 ± 0.015 | −98.286 ± 0.015 | 1 |
| Parallax, p (mas) | 11.343 ± 0.015 | 12.957 ± 0.015 | 1 |
| Distance (pc) | 88.9 ± 0.3 | 77.7 ± 0.2 | 1 |
| B (mag) | 9.64 ± 0.03 | 10.13 ± 0.05 | 2 |
| V (mag) | 8.953 ± 0.002 | 9.46 ± 0.003 | 2 |
| TESS T (mag) | 8.330 ± 0.006 | 8.897 ± 0.006 | 2 |
| Gaia G (mag) | 8.77969 ± 0.00018 | 9.34408 ± 0.00021 | 1 |
| 2MASS J (mag) | 7.69 ± 0.02 | 8.27 ± 0.02 | 3 |
| 2MASS H (mag) | 7.42 ± 0.05 | 7.92 ± 0.03 | 3 |
| 2MASS K (mag) | 7.28 ± 0.02 | 7.87 ± 0.02 | 3 |
| WISE 1 (mag) | 7.23 ± 0.04 | 7.84 ± 0.03 | 4 |
| WISE 2 (mag) | 7.30 ± 0.02 | 7.90 ± 0.02 | 4 |
| WISE 3 (mag) | 7.28 ± 0.02 | 7.88 ± 0.02 | 4 |
| WISE 4 (mag) | 7.24 ± 0.11 | 7.76 ± 0.14 | 4 |
| Effective temperature, Teff (K) | 5807 ± 46 | 5659 ± 48 | This work |
| Surface gravity, log ɡ (dex) | 4.35 ± 0.04 | 4.42 ± 0.04 | this work |
| Fe metallicity, [Fe/H] (dex) | 0.138 ± 0.014 | −0.120 ± 0.013 | this work |
| Turbulence velocity, v (km s−1) | 1.10 ± 0.02 | 0.83 ± 0.02 | This work |
| Bolometric flux, Fbol (10−9 erg s−1 cm−2) | 6.37 ± 0.05 | 4.65 ± 0.11 | This work |
| Star mass, M★ (M⊙) | 1.08 ± 0.04 | 0.94 ± 0.02 | This work |
| Star radius, R★ (R⊙) | 1.15 ± 0.08 | 0.98 ± 0.06 | This work |
| Luminosity, log L★/L⊙ | 0.25 ± 0.06 | −0.05 ± 0.06 | this work |
Activity index, log  |
 |
 |
This work |
| Rotation velocity, υrot sin i★ (km s−1) | 4.0 ± 0.6 | 2.7 ± 0.6 | This work |
| Rotation period, Prot (d) | 28 ± 5 | 21 ± 5 | This work (5) |
| Age (Gyr) | 4.9 ± 1.3 | 6.4 ± 1.8 | This work |
Notes. (1) Gaia Collaboration (2020); (2) EXOFOP-TESS website1; (3) Cutri et al. (2003); (4) Wright et al. (2010); (5) rotation periods are estimated from activity-rotation empirical relation as detailed in Sect. 3.6.
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