TOI-5005 b: A super-Neptune in the savanna near the ridge

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Volume 691 (November 2024)

A&A, 691 (2024) A233

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Table D.6

Inferred parameters of T0I−5005 b based on the joint analysis described in Sect. 4.4.

Parameter	Priors	Posteriors
Orbital and physical parameters

Orbital period, P_orb (days)	𝒰(5.0, 7.0)	${6.3085044}_{- 0.0000088}^{+ 0.0000092}$ $6.3085044_{ - 0.0000088}^{ + 0.0000092}$
Time of mid−transit, T₀ (JD)	𝒰(2460089.0, 2460091.0)	2460090.0356 ± 0.0010
Orbital inclination, i (degrees)	𝒰(50.0, 90.0)	${89.53}_{- 0.44}^{+ 0.33}$ $89.53_{ - 0.44}^{ + 0.33}$
Scaled planet radius, R_p/R_⋆	𝒰(0.0, 0.1)	0.0616 ± 0.0012
RV semi−amplitude, K (m s⁻¹)	𝒰(0.0, 10⁵)	11.6 ± 2.1
Ecc. parametrization, $\cos (ω) \sqrt{e}$ $\cos (\omega )\sqrt e$	(fixed)	0
Ecc. parametrization, $ \sin (ω) \sqrt{e}$ $\sin (\omega )\sqrt e$	(fixed)	0
Planet radius, R_p (R_⊕)	(derived)	6.25 ± 0.24
Planet radius, R_p (R_J)	(derived)	0.558 ± 0.021
Planet mass, M_p (M_⊕)	(derived)	32.7 ± 5.9
Planet mass, M_p (M_J)	(derived)	0.103 ± 0.018
Planet density, ρ_p (g cm⁻³)	(derived)	0.74 ± 0.16
Transit depth, ∆ (ppt)	(derived)	3.80 ± 0.15
Transit duration, T₁₄ (hours)	(derived)	3.144 ± 0.046
Relative orbital separation, a/R_⋆	(derived)	15.29 ± 0.50
Orbit semi−major axis, a (au)	(derived)	0.06614 ± 0.00045
Planet surface gravity, 𝑔 (m s⁻²)	(derived)	8.2 ± 1.6
Impact parameter, b	(derived)	0.13 ± 0.10
Incident flux, F_inc (F_⊕)	(derived)	226 ± 12
Equilibrium temperature [A=0], T_eq (K)	(derived)	1040 ± 20

Limb−darkening coefficients

Limb−darkening coefficient, q_{1, TESS}	𝒵𝒯𝒢(0.32, 0.32)	${0.41}_{- 0.16}^{+ 0.20}$ $0.41_{ - 0.16}^{ + 0.20}$
Limb−darkening coefficient, q_{2, TESS}	𝒵𝒯𝒢(0.36, 0.14)	${0.31}_{- 0.12}^{+ 0.13}$ $0.31_{ - 0.12}^{ + 0.13}$
Limb−darkening coefficient, q_{1, PEST}	𝒵𝒯𝒢(0.43, 0.37)	${0.66}_{- 0.22}^{+ 0.20}$ $0.66_{ - 0.22}^{ + 0.20}$
Limb−darkening coefficient, q_{2, PEST}	𝒵𝒯𝒢(0.38, 0.12)	${0.43}_{- 0.12}^{+ 0.12}$ $0.43_{ - 0.12}^{ + 0.12}$
Limb−darkening coefficient, q_{1, TRAPAIST–South}	𝒵𝒯𝒢(0.27, 0.29)	${0.37}_{- 0.17}^{+ 0.20}$ $0.37_{ - 0.17}^{ + 0.20}$
Limb−darkening coefficient, q_{2, TRAPAIST–South}	𝒵𝒯𝒢(0.34, 0.15)	${0.30}_{- 0.13}^{+ 0.14}$ $0.30_{ - 0.13}^{ + 0.14}$

GP hyperparameters

$η_{σ_{S 12}}$ ${\eta _{{\sigma _{{\rm{S}}12}}}}$	𝒰(0, 0.5)	${0.0060}_{- 0.0011}^{+ 0.0018}$ $0.0060_{ - 0.0011}^{ + 0.0018}$
$η_{σ_{S 39}}$ ${\eta _{{\sigma _{{\rm{S}}39}}}}$	𝒰(0, 0.5)	${0.00423}_{- 0.00047}^{+ 0.00063}$ $0.00423_{ - 0.00047}^{ + 0.00063}$
$η_{σ_{S 65}}$ ${\eta _{{\sigma _{{\rm{S}}65}}}}$	𝒰(0, 0.5)	${0.00353}_{- 0.00054}^{+ 0.00080}$ $0.00353_{ - 0.00054}^{ + 0.00080}$
$η_{ρ_{S 12}}$ ${\eta _{{\rho _{{\rm{S}}12}}}}$ (days)	𝒰(0, 30)	${1.10}_{- 0.18}^{+ 0.26}$ $1.10_{ - 0.18}^{ + 0.26}$
$η_{ρ S 39}$ ${\eta _{\rho {\rm{S}}39}}$ (days)	𝒰(0, 30)	${0.633}_{- 0.096}^{+ 0.125}$ $0.633_{ - 0.096}^{ + 0.125}$
$η_{ρ S 65}$ ${\eta _{\rho {\rm{S}}65}}$ (days)	𝒰(0, 30)	${1.17}_{- 0.16}^{+ 0.21}$ $1.17_{ - 0.16}^{ + 0.21}$

Instrument−dependent parameters

TESS LC level S12, F_{0, S12}	𝒰(−0.1, 0.1)	$- {0.00064}_{- 0.00195}^{+ 0.00175}$ $- 0.00064_{ - 0.00195}^{ + 0.00175}$
TESS LC level S39, F_{0, S39}	𝒰(−0.1, 0.1)	$- {0.00052}_{- 0.00096}^{+ 0.00098}$ $- 0.00052_{ - 0.00096}^{ + 0.00098}$
TESS LC level S65, F_{0, S65}	𝒰(−0.1, 0.1)	$- {0.00028}_{- 0.00111}^{+ 0.00112}$ $- 0.00028_{ - 0.00111}^{ + 0.00112}$
TESS LC jitter S12, σ_{TESS, S12}	𝒰(0, 0.005)	0.000831 ± 0.000030
TESS LC jitter S39, σ_{TESS, S39}	𝒰(0, 0.005)	0.000750 ± 0.000039
TESS LC jitter S65, σ_{TESS, S65}	𝒰(0, 0.005)	${0.000082}_{- 0.00057}^{+ 0.00084}$ $0.000082_{ - 0.00057}^{ + 0.00084}$
HARPS RV jitter, σ_{jit, HARPS} (m s⁻¹)	𝒰(0, 100)	${7.6}_{- 1.2}^{+ 1.4}$ $7.6_{ - 1.2}^{ + 1.4}$

PEST and TRAPPIST−South detrend parameters

c_{PEST, x}	𝒰(−10⁴, 10⁴)	0.001 ± 0.020
c_{PEST, y}	𝒰(−10⁴, 10⁴)	−0.011 ± 0.016
c_{PEST, dist}	𝒰(−10⁴, 10⁴)	0.0151 ± 0.0055
c_{PEST, fwhm}	𝒰(−10⁴, 10⁴)	−0.0047 ± 0.0021
c_{PEST, χ}	𝒰(−10⁴, 10⁴)	0.0008 ± 0.0013
c_{PEST, sky}	𝒰(−10⁴, 10⁴)	−0.00033 ± 0.00032
c_{TRAPPIST–South, dx}	𝒰(−10⁴, 10⁴)	0.0000078 ± 0.0000013
c_{TRAPPIST–South, dy}	𝒰(−10⁴, 10⁴)	0.0000052 ± 0.0000015
c_{TRAPPIST–South, fwhm}	𝒰(−10⁴, 10⁴)	−0.0041 ± 0.0010
c_{TRAPPIST–South, sky}	𝒰(−10⁴, 10⁴)	0.0027 ± 0.0017
c_{TRAPPIST−South, χ}	𝒰(−10⁴, 10⁴)	0.0017 ± 0.0013

RV linear drift

Systemic velocity, υ_HARPS (m s⁻¹)	𝒰(17800, 17900)	17858.6 ± 2.3
Slope, γ_HARPS (m s⁻¹ day⁻¹)	𝒰(0, 1)	0.143 ± 0.031

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