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Table 2
Stellar and brown dwarf parameters.
| Quantity | Notation | Unit | Value |
|---|---|---|---|
| Photometric and astrometric properties of TOI-263 | |||
| Gaia photometry (Vega) | G | mag | 16.840 ± 0.001 |
| Gaia photometry (Vega) | Bp − Rp | mag | 2.516 ± 0.027 |
| Pan-STARRS1 photometry (AB) | PS1.g | mag | 18.53 ± 0.50 |
| Pan-STARRS1 photometry (AB) | PS1.r | mag | 17.346 ± 0.008 |
| Pan-STARRS1 photometry (AB) | PS1.i | mag | 16.120 ± 0.004 |
| Pan-STARRS1 photometry (AB) | PS1.z | mag | 15.561 ± 0.005 |
| Pan-STARRS1 photometry (AB) | PS1.y | mag | 15.274 ± 0.005 |
| 2MASS photometry (Vega) | J | mag | 14.078 ± 0.030 |
| 2MASS photometry (Vega) | H | mag | 13.450 ± 0.038 |
| 2MASS photometry (Vega) | K | mag | 13.246 ± 0.040 |
| WISE photometry (Vega) | W1 | mag | 13.151 ± 0.025 |
| WISE photometry (Vega) | W2 | mag | 12.989 ± 0.026 |
| Gaia distance | d | pc | 279.4 ± 7.9 |
| Gaia proper motion | μα cos δ | mas yr−1 | 30.33 ± 0.18 |
| Gaia proper motion | μδ | mas yr−1 | 10.14 ± 0.18 |
| Bolometric luminosity | L | Lsol | (2.716 ± 0.256) × 10−2 |
| Effective temperature | Teff | K | 3471 ± 33 |
| Surface gravity | log g | dex | 4.67 ± 0.03 |
| Spectroscopic rotation | v sin i | km s−1 | 37.92 ± 0.36 |
| Mass of the star | M | M⊙ | 0.438 ± 0.036 |
| Radius of the star | R | R⊙ | 0.438 ± 0.028 |
| Age | τ | “field” | |
| Orbital Parameters of the brown dwarf TOI-263b | |||
| Transit epoch | T0 | BJD |  |
| Orbital period | P | d |  |
| Eccentricity | e |  |
|
| Semi-major axis | a | au |  |
| Gravitational acceleration | g | m s−2 |  |
| RV amplitude | K | m s−1 |  |
| Argument of periastron | ω | deg |  |
| Inclination | i | deg | 87.0 ± 1.6 |
| Properties of the brown dwarf TOI-263 b | |||
| Planet radius | Rp | RJup |  |
| Planet mass | Mp | MJup |  |
| Mean density | ρ | g cm−3 |  |
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