Table 2
System parameters as derived from the joint LC and RV analysis accounting for TTVs.
Parameter | Symbol | TOI-396 b | TOI-396 c (c) | TOI-396 d |
---|---|---|---|---|
Orbital period | P (a) (d) | ![]() |
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Transit timing | T0 (a) (BJD) | ![]() |
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Transit depth | dF (ppm) | ![]() |
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Impact parameter | b | ![]() |
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RV semi-amplitude | K (m s−1) | ![]() |
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1.78 ± 0.40 |
Transit duration | W (h) | ![]() |
![]() |
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Semi-major axis | a (AU) | 0.04888 ± 0.00066 | 0.06870 ± 0.00092 | 0.1046 ± 0.0014 |
Orbital inclination | i (º) | ![]() |
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Scaled semi-major axis | a/R⋆ | ![]() |
![]() |
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Equilibrium temperature | Teq (b) (K) | ![]() |
1309 ± 19 | ![]() |
Eccentricity | e | 0 (fixed) | 0 (fixed) | 0 (fixed) |
Argument of pericentre | ω (º) | 90 (fixed) | 90 (fixed) | 90 (fixed) |
Planet radius | Rp (R⊕) | ![]() |
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Planet mass | Mp (M⊕) | ![]() |
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7.1 ± 1.6 |
Planet density | ρp (g cm−3) | ![]() |
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LD coefficient 1 | u1,TESS | ![]() |
||
LD coefficient 2 | u2,TESS | ![]() |
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RV jitter | σHARPS (m s−1) | ![]() |
Notes. All jump parameters, but the LD coefficients, were subject to unbounded uniform priors following the parameterisations specified in Bonfanti & Gillon (2020); see text for further details. (a)Uncertainties from the run assuming linear ephemerides (no TTVs). T0 values are shifted by −2 450 000. (b) Assuming zero albedo and full recirculation. (c)The 3σ upper limits on the RV semi-amplitude, the planet mass, and the mean planet density of TOI-396 c are , respectively.
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