Open Access
Table 1
Stellar properties of TOI-178, including the methods used to derive them.
| TOI-178 | ||
|---|---|---|
| 2MASS | J00291228-3 027 133 | |
| Gaia DR2 | 2318295979126499200 | |
| TIC | 251848941 | |
| TYC | 6991-00475-1 | |
| Parameter | Value | Note |
| α [J2000] | 00h29m12.30s | 1 |
| δ [J2000] | –30°27′13.46′′ | 1 |
| μα [mas yr−1] | 149.95 ± 0.07 | 1 |
| μδ [mas yr−1] | –87.25 ± 0.04 | 1 |
| ϖ [mas] | 15.92 ± 0.05 | 1 |
| RV [km s−1] | 57.4 ± 0.5 | 1 |
| V [mag] | 11.95 | 2 |
| G [mag] | 11.15 | 1 |
| J [mag] | 9.37 | 3 |
| H [mag] | 8.76 | 3 |
| K [mag] | 8.66 | 3 |
| W1 [mag] | 8.57 | 4 |
| W2 [mag] | 8.64 | 4 |
| Teff [K] | 4316 ± 70 | Spectroscopy |
| logg [cgs] | 4.45 ± 0.15 | Spectroscopy |
| [Fe/H] [dex] | –0.23 ± 0.05 | spectroscopy |
| vsini⋆ [km s−1] | 1.5 ± 0.3 | Spectroscopy |
| R⋆ [R⊙] | 0.651 ± 0.011 | IRFM |
| M⋆ [M⊙] | 0.650 |
Isochrones |
| t⋆ [Gyr] | 7.1 |
Isochrones |
| L⋆ [L⊙] | 0.132 ± 0.010 | From R⋆ and Teff |
| ρ⋆ [ρ⊙] | 2.35 ± 0.17 | From R⋆ and M⋆ |
References. [1] Gaia Collaboration (2018), [2] Høg et al. (2000), [3] Skrutskie et al. (2006), [4] Wright et al. (2010).
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