Table 1
TOI-674 identifiers, coordinates, stellar parameters, and magnitudes.
| Identifiers | Ref. | ||||
|---|---|---|---|---|---|
| TIC | 158588995 | ||||
| 2MASS | J10582099-3651292 | ||||
| Gaia EDR3 | 5400949450924312576 | ||||
| Equatorial coordinates | |||||
| RA (J2016) | 10h58m20s.77 | 1 | |||
| Dec (J2016) | − 36°51′29′′.19 | 1 | |||
| μα (mas yr−1) | − 163.255 ± 0.015 | 1 | |||
| μδ (mas yr−1) | − 3.672 ± 0.015 | 1 | |||
| Parallax (mas) | 21.623 ± 0.016 | 1 | |||
| Parameters from SED fit | BT-Settl SED fit | BT-Settl + Stellar evol. models SED fit | |||
| Effective temperature (K) (a) | Teff | 3514 ± 57 |  |
5 | |
| Stellar luminosity (L⊙) | L |  |
 |
5 | |
| Surface gravity (cm s−2) (b) | log(g) |  |
 |
5 | |
| Metallicity (dex) (a) | [Fe∕H] | 0.17 ± 0.12 | 0.114 ± 0.074 | 5 | |
| Stellar Age (Gyr) |  |
5 | |||
| Mass (M⊙) | M⋆ | 0.420 ± 0.010 (c) | 0.442 ± 0.007 | 5 | |
| Radius (R⊙) | R⋆ | 0.420 ± 0.013 | 0.421 ± 0.007 | 5 | |
| Stellar density (g cm−3) | ρ⋆ | 7.99 ± 0.76 |  |
5 | |
| Surface gravity (cm s−2) | log(g) | 4.81 ± 0.03 (d) |  |
5 | |
| Distance (pc) | d⋆ | 46.16 ± 0.03 | 46.16 ± 0.03 | 5 | |
| Other parameters | |||||
| Stellar activity index | logRHK | −5.14 ± 0.01 | 5 | ||
| Stellar rotation period (days) (e) | Prot | 52 ± 5 | 5 | ||
| Stellar rotation velocity (km s−1) (f) | 0.4 ± 0.04 | 5 | |||
| Apparent magnitudes | |||||
| Gaia G (mag) | 13.073 ± 0.002 | 1 | |||
| B (mag) | 15.742 ± 0.024 | 2 | |||
| V (mag) | 14.203 ± 0.041 | 2 | |||
| Sloan g (mag) | 14.938 ± 0.022 | 2 | |||
| Sloan r (mag) | 13.626 ± 0.047 | 2 | |||
| Sloan i (mag) | 12.299 ± 0.068 | 2 | |||
| J(mag) | 10.359 ± 0.023 | 3 | |||
| H(mag) | 9.737 ± 0.023 | 3 | |||
| K(mag) | 9.469 ± 0.019 | 3 | |||
| WISE W1 (mag) | 9.345 ± 0.022 | 4 | |||
| WISE W2 (mag) | 9.237 ± 0.019 | 4 | |||
| WISE W3 (mag) | 9.163 ± 0.038 | 4 | |||
| WISE W4 (mag) | 8.332 ± 0.455 | 4 | |||
Notes. The adopted stellar mass and radius used in this work are presented in the middle column (i.e., BT-Settl models SED fit). (a) As an independent check we also derived Teff and [Fe/H] using the machine learning approach implemented in ODUSSEAS (Antoniadis-Karnavas et al. 2020). The obtained Teff (3220 ± 70 K) is lower than the value obtained with SpecMatch-Emp (Yee et al. 2017), while the [Fe/H] (+0.05 ± 0.11) is compatible within the 1σ uncertainties. (b) Stellar surface gravity log (g) derived from SED fit. (c) Mass derived using the empirical relations of Mann et al. (2019). (d)Stellar surface gravity log(g) computed using the derived stellar mass and radius. (e)From empirical relations of Astudillo-Defru et al. (2017a). (f)From stellar radius and rotation period.
References. (1) Gaia Collaboration (2021); (2) Henden et al. (2015); (3) Cutri et al. (2003); (4) Cutri et al. (2021); (5) this work.
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