Open Access
Table 1
Stellar properties of TOI-238.
| Parameter | TOI-238 | Ref. |
|---|---|---|
| RA (J2000) | 23:16:55.5175 | 1 |
| Dec (J2000) | -18:36:23.9218 | 1 |
| μα · cos(δ) (mas yr−1) | -53.147 | 1 |
| μδ (mas yr−1) | -0.315 | 1 |
| Parallax (mas) | 12.475 ± 0.015 | 1 |
| Distance (pc) | 80.162 ± 0.096 | 1 |
| U (km s−1) | 14.13 ± 0.09 | 0 |
| V (km s−1) | 2.83 ± 0.10 | 0 |
| W (km s−1) | 19.50 ± 0.26 | 0 |
| mB (mag) | 11.67 ± 0.13 | 2 |
| mV (mag) | 10.75 ± 0.09 | 2 |
| Spectral type | K2V | 0 |
| L*/L⊙ | 0.3382 ± 0.0097 | 3 |
| Teff (K) | 5059 ± 89 | 0 |
| [Fe/H] (dex) | -0.114 ± 0.051 | 0 |
| [Mg/H] (dex) | -0.12 ± 0.06 | 0 |
| [Si/H] (dex) | -0.09 ± 0.06 | 0 |
![$\\ f_{\mathrm{iron}}^{\mathrm{Star}}\]$](/articles/aa/full_html/2024/05/aa48958-23/aa48958-23-eq4.png){kind=small} (%) |
32.7 ± 1.8 | 0 |
| M* (M⊙) | 0.790 ± 0.022 | 0 |
| R* (R⊙) | 0.733 ± 0.015 | 0 |
log ![$\{\mathcal{g}}\]$](/articles/aa/full_html/2024/05/aa48958-23/aa48958-23-eq5.png){kind=small} (cgs) |
4.577 ± 0.021 | 0 |
| Age (Gyr) | 4.3 ± 3.8 | 0 |
| υsin i (km s−1) | 1.84 ± 0.45 | 0 |
| log10 (RHK) | - 4.74 ± 0.27 | 0 |
| Prot GP (days) | 26.0 ± 1.3 | 0 |
References. 0 – This work, 1 – Gaia Collaboration (2021), 2 – Høg et al. (2000), 3 – TESS input catalog stellar parameters.
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