Summary of stellar parameters for K2-18 and TOI-732 systems derived in this work.
| Parameter . | K2-18 . | TOI-732 . |
|---|---|---|
| |$T_{\mathrm{eff}}$| (K) | 3645 |$\pm$| 52 | 3213 |$\pm$| 92 |
| Metallicity [Fe/H] | 0.10 |$\pm$| 0.12 | 0.22 |$\pm$| 0.13 |
| P|$_{\mathrm{rot}} ~$| (d) | 38.9–40.2 | 135–143 |
| |${\mathrm{\log _{10}}} R^{\prime }_{\mathrm {HK}}$| | |$-5.11$| to |$-5.14$| | |$-5.49$| to |$-5.71$| |
| log L|$_{\mathrm{X}}$| (erg s|$^{-1}$|) | 27.38 | 27.64 |
| log(L|$_{\mathrm{X}}$|/L|$_{\mathrm{bol}}$|) | |$-4.63$| | |$-5.10$| |
| Age (Gyr) | 2.9–3.1 | 6.7–8.6 |
| Parameter . | K2-18 . | TOI-732 . |
|---|---|---|
| |$T_{\mathrm{eff}}$| (K) | 3645 |$\pm$| 52 | 3213 |$\pm$| 92 |
| Metallicity [Fe/H] | 0.10 |$\pm$| 0.12 | 0.22 |$\pm$| 0.13 |
| P|$_{\mathrm{rot}} ~$| (d) | 38.9–40.2 | 135–143 |
| |${\mathrm{\log _{10}}} R^{\prime }_{\mathrm {HK}}$| | |$-5.11$| to |$-5.14$| | |$-5.49$| to |$-5.71$| |
| log L|$_{\mathrm{X}}$| (erg s|$^{-1}$|) | 27.38 | 27.64 |
| log(L|$_{\mathrm{X}}$|/L|$_{\mathrm{bol}}$|) | |$-4.63$| | |$-5.10$| |
| Age (Gyr) | 2.9–3.1 | 6.7–8.6 |
Note. The rotation periods are computed values from photometric data sets. The log L|$_{\mathrm{X}}$| and log(L|$_{\mathrm{X}}$|/L|$_{\mathrm{bol}}$|) are upper limit values.
Summary of stellar parameters for K2-18 and TOI-732 systems derived in this work.
| Parameter . | K2-18 . | TOI-732 . |
|---|---|---|
| |$T_{\mathrm{eff}}$| (K) | 3645 |$\pm$| 52 | 3213 |$\pm$| 92 |
| Metallicity [Fe/H] | 0.10 |$\pm$| 0.12 | 0.22 |$\pm$| 0.13 |
| P|$_{\mathrm{rot}} ~$| (d) | 38.9–40.2 | 135–143 |
| |${\mathrm{\log _{10}}} R^{\prime }_{\mathrm {HK}}$| | |$-5.11$| to |$-5.14$| | |$-5.49$| to |$-5.71$| |
| log L|$_{\mathrm{X}}$| (erg s|$^{-1}$|) | 27.38 | 27.64 |
| log(L|$_{\mathrm{X}}$|/L|$_{\mathrm{bol}}$|) | |$-4.63$| | |$-5.10$| |
| Age (Gyr) | 2.9–3.1 | 6.7–8.6 |
| Parameter . | K2-18 . | TOI-732 . |
|---|---|---|
| |$T_{\mathrm{eff}}$| (K) | 3645 |$\pm$| 52 | 3213 |$\pm$| 92 |
| Metallicity [Fe/H] | 0.10 |$\pm$| 0.12 | 0.22 |$\pm$| 0.13 |
| P|$_{\mathrm{rot}} ~$| (d) | 38.9–40.2 | 135–143 |
| |${\mathrm{\log _{10}}} R^{\prime }_{\mathrm {HK}}$| | |$-5.11$| to |$-5.14$| | |$-5.49$| to |$-5.71$| |
| log L|$_{\mathrm{X}}$| (erg s|$^{-1}$|) | 27.38 | 27.64 |
| log(L|$_{\mathrm{X}}$|/L|$_{\mathrm{bol}}$|) | |$-4.63$| | |$-5.10$| |
| Age (Gyr) | 2.9–3.1 | 6.7–8.6 |
Note. The rotation periods are computed values from photometric data sets. The log L|$_{\mathrm{X}}$| and log(L|$_{\mathrm{X}}$|/L|$_{\mathrm{bol}}$|) are upper limit values.
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