Open Access
Table 1
Stellar parameters for TOI-756.
| TOI-756 | Source | |
|---|---|---|
| Identifiers | ||
| TIC ID | 73649615 | TICv8 |
| 2MASS ID | J12482523-4528140 | 2MASS |
| Gaia ID | 6129327525817451648 | Gaia DR3 |
| WT | 351 | WT |
| Astrometric parameters | ||
| Right ascension (J2016), α | 12h 48m 25.21s | Gaia DR3 |
| Declination (J2016), δ | −45° 28′ 14.15″ | Gaia DR3 |
| Parallax (mas) | 11.61 ± 0.02 | Gaia DR3 |
| Distance (pc) | ![$\[86.45_{-0.22}^{+1.18}\]$](/articles/aa/full_html/2025/10/aa55684-25/aa55684-25-eq2.png) |
Gaia DR3 |
| μRA (mas yr−1) | −216.502 ± 0.016 | Gaia DR3 |
| μDec (mas yr−1) | 29.197 ± 0.013 | Gaia DR3 |
| Vsyst (km s−1) | 15.36 ± 1.20 | Gaia DR3 |
| ULSR | −57.56 ± 0.64 | This work |
| VLSR | −44.82 ± 0.97 | This work |
| WLSR | 22.18 ± 0.36 | This work |
| Photometric parameters | ||
| TESS (mag) | 12.5554 ± 0.007 | TICv8 |
| B (mag) | 16.102 ± 0.057 | TICv8 |
| V (mag) | 14.607 ± 0.018 | TICv8 |
| G (mag) | 13.677 ± 0.003 | Gaia DR3 |
| J (mag) | 11.138 ± 0.026 | 2MASS |
| H (mag) | 10.517 ± 0.025 | 2MASS |
| Ks (mag) | 10.274 ± 0.021 | 2MASS |
| Bulk parameters | ||
| Spectral type | M1V | This work |
| Teff (K) | 3657 ± 72 | This work |
| R⋆ (R⊙) | 0.505 ± 0.015 | This work |
| M⋆ (M⊙) | 0.505 ± 0.019 | This work |
| ρ⋆ (g cm−3) | ![$\[5.52_{-0.54}^{+0.56}\]$](/articles/aa/full_html/2025/10/aa55684-25/aa55684-25-eq3.png) |
This work |
| L⋆ (L⊙) | 0.041 ± 0.004 | This work |
| [Fe/H] (dex) | 0.196 ± 0.029† | This work |
| [M/H] (dex) | 0.17 ± 0.08 | This work |
| log g* (cm s−2) | 4.735 ± 0.031 | This work |
| Age (Gyr) | ![$\[3.2_{-2.3}^{+5.5}\]$](/articles/aa/full_html/2025/10/aa55684-25/aa55684-25-eq4.png) |
This work |
Notes. (1) TICv8 (Stassun et al. 2019). (2) 2MASS (Skrutskie et al. 2006). (3) Gaia DR3 (Gaia Collaboration 2018). (4) WT (Wroblewski & Torres 1991). † Value derived with a fixed Teff, so the uncertainties are likely underestimated (see Sect. 4.1).
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