Table 1
Stellar parameters of Ross 176.
| Parameter | Value | Reference |
|---|---|---|
| Name and identifiers | ||
| TIC | 193336820 | TESS |
| TOI | 4491 | TOI |
| Ross | 176 | Ross |
| LTT | 15964 | LTT |
| Karmn | J20227+473 | Karmn |
| TYC | 3576–00804–1 | TYC |
| 2MASS | J20224515+4718276 | 2MASS |
| Gaia DR3 | 2083391813854073856 | Gaia |
| Coordinates and spectral type | ||
| α (J2000) | 20:22:45.54 | Gaia |
| δ (J2000) | +47:18:31.0 | Gaia |
| Spectral type | K7 V | Lee84 |
| Parallax and kinematics | ||
| π [mas] | 21.505 ± 0.011 | Gaia |
| d [pc] | 46.501 ± 0.024 | Gaia |
| µα cos δ [mas yr−1] | 227.078 ± 0.013 | Gaia |
| µδ [mas yr−1] | 204.463 ± 0.013 | Gaia |
| γ [km s−1 ] | −47.78 ± 0.40 | Gaia |
| U [km s−1] | −69.917 ± 0.048 | C24 |
| V [km s−1] | −38.87 ± 0.39 | C24 |
| W [km s−1 ] | −20.511 ± 0.047 | C24 |
| Magnitudes | ||
| B [mag] | 13.222 ± 0.035 | APASS9 |
| GBP [mag] | 11.2703 ± 0.0028 | Gaia |
| g [mag] | 12.529 ± 0.019 | APASS9 |
| V [mag] | 11.887 ± 0.056 | APASS9 |
| r′ [mag] | 11.305 ± 0.029 | APASS9 |
| G [mag] | 11.2703 ± 0.0028 | Gaia |
| i′ [mag] | 10.753 ± 0.057 | APASS9 |
| T [mag] | 10.438 ± 0.006 | TESS |
| GRP [mag] | 10.3676 ± 0.0038 | Gaia |
| J [mag] | 9.243 ± 0.018 | 2MASS |
| H [mag] | 8.612 ± 0.040 | 2MASS |
| Ks [mag] | 8.419 ± 0.016 | 2MASS |
| W 1 [mag] | 8.329 ± 0.022 | AllWISE |
| W2 [mag] | 8.335 ± 0.020 | AllWISE |
| W3 [mag] | 8.246 ± 0.028 | AllWISE |
| W4 [mag] | 7.970 ± 0.125 | AllWISE |
| Stellar parameters | ||
| L⋆ [L⊙] | 0.07782 ± 0.00051 | This work |
| Teff [K] | 4041 ± 69 | This work |
| log g | 5.07 ± 0.04 | This work |
| [Fe/H] | −0.19 ± 0.02 | This work |
| R⋆ [R⊙] | 0.569± 0.020 | This work |
| M⋆ [M⊙] | 0.577 ± 0.024 | This work |
| v sin i⋆ | <2 km s−1 | This work |
| Prot [d] |  |
This work |
| Age [Gyr] | 3.0 ± 2.5 | B07; M08; A15 |
Notes. TESS: Stassun et al. (2018, 2019); TOI: Guerrero et al. (2021); Ross: Ross (1926); LTT, Luyten (1957); Karmn: Caballero et al. (2016a); TYC: Høg et al. (2000); Gaia: Gaia Collaboration (2020); 2MASS: Skrutskie et al. (2006); Lee84: Lee (1984); C24: Cortés-Contreras et al. (2024); APASS9: Henden et al. (2016); AllWISE: Cutri et al. (2021); B07: Barnes (2007); M08: Mamajek & Hillenbrand (2008); A15: Angus et al. (2015).
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