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Table A.4
TOI-681 stellar and companion parameters.
| Star name & aliases: TOI 681, TIC 410 450 228, TYC 8911-00495-1, UCAC4 148-012283, 2MASS J07513479-6 024 448 | ||||||
|---|---|---|---|---|---|---|
| Parameter | Unit | Source | Value | |||
| Stellar parameters | ||||||
| α | Right Ascension (hh:mm:ss) | TICv8 | 07:51:34.79 | |||
| δ | Declination (deg:min:sec) | TICv8 | –60:24:44.6 | |||
| Vmag | V-band magnitude | TICv8 | 10.885 | |||
| ϖ | Parallax (mas) | Gaia DR2 | 2.442±0.013 | |||
| v sin i* | Surface rotational velocity (km s−1) | GALAH | 30.80 ± 0.78 | |||
| Parameter | Unit | Exofast | Value | |||
| Priors | ||||||
| M* | Mass (M⊙) | – |  |
|||
| R* | Radius (R⊙) |  |
 |
|||
| L* | Luminosity (L⊙) | – |  |
|||
| ρ* | Density (cgs) | – |  |
|||
| log g | Surface gravity (cgs) | – |  |
|||
| Teff | Effective temperature (K) |  |
 |
|||
| [Fe/H] | Metallicity (dex) |  |
 |
|||
| Age | Age (Gyr) |  |
 |
|||
| EEP | Equal evolutionary point | – |  |
|||
| Companion parameters | ||||||
| Mb | Mass (MJ) | – |  |
|||
| Rb | Radius (RJ) | [0,5] |  |
|||
| P | Period (days) | – |  |
|||
| TC | Time of conjunction - 2 450 000 (BJDTDB) | – |  |
|||
| a | Semi-major axis (AU) | – |  |
|||
| i | Inclination (Degrees) | – |  |
|||
| e | Eccentricity | – |  |
|||
| ω* | Argument of Periastron (Degrees) | – |  |
|||
| Teq | Equilibrium temperature (K) | – |  |
|||
| K | RV semi-amplitude (m s−1) | – |  |
|||
| δ | Transit depth (fraction) | – |  |
|||
| τ | Ingress/egress transit duration (days) | – |  |
|||
| T14 | Total transit duration (days) | – |  |
|||
| b | Transit impact parameter | – |  |
|||
| ρP | Density (cgs) | – |  |
|||
| log gP | Surface gravity | – |  |
|||
| ⟨F⟩ | Incident Flux (109 erg s−1 cm−2) | – |  |
|||
| Wavelength parameters | B | I | R | Sloang | TESS | |
| u1 | linear limb-darkening coeff |  |
 |
 |
 |
 |
| u2 | quadratic limb-darkening coeff |  |
 |
 |
 |
 |
| RV parameters | CORALIE | FEROS | ||||
| γrel | Relative RV Offset (m s−1) |  |
 |
|||
| σJ | RV Jitter (m s−1) |  |
 |
|||
 |
RV Jitter Variance |  |
 |
|||
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