Characterization of seven transiting systems, including four warm Jupiters from SOPHIE and TESS

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Volume 694 (February 2025)

A&A, 694 (2025) A36

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Table 8

Median values and the 68% confidence interval of the stellar and planetary parameters derived for TOI-5076b, TOI-1836b, and TOI-4081.01 using EXOFASTv2.

Parameter	Units	TOI-5076	TOI-1836	TOI-4081
Stellar parameters
M_*	Mass (M_⊙)	${0.789}_{- 0.047}^{+ 0.046}$ $\[0.789_{-0.047}^{+0.046}\]$	${1.307}_{- 0.076}^{+ 0.077}$ $\[1.307_{-0.076}^{+0.077}\]$	1.448 ± 0.090
R_*	Radius (R_⊙)	${0.844}_{- 0.019}^{+ 0.020}$ $\[0.844_{-0.019}^{+0.020}\]$	1.577 ± 0.060	2.48 ± 0.11
L_*	Luminosity (L_⊙)	${0.336}_{- 0.034}^{+ 0.038}$ $\[0.336_{-0.034}^{+0.038}\]$	${3.70}_{- 0.42}^{+ 0.48}$ $\[3.70_{-0.42}^{+0.48}\]$	${7.35}_{- 0.91}^{+ 1.0}$ $\[7.35_{-0.91}^{+1.0}\]$
ρ_*	Density (cgs)	${1.857}_{- 0.092}^{+ 0.076}$ $\[1.857_{-0.092}^{+0.076}\]$	${0.470}_{- 0.054}^{+ 0.061}$ $\[0.470_{-0.054}^{+0.061}\]$	${0.134}_{- 0.018}^{+ 0.021}$ $\[0.134_{-0.018}^{+0.021}\]$
log g	Surface gravity (cgs)	${4.483}_{- 0.019}^{+ 0.016}$ $\[4.483_{-0.019}^{+0.016}\]$	4.159 ± 0.039	3.809 ± 0.047
T_eff	Effective temperature (K)	4780 ± 120	6380 ± 150	$6030_{- 150}^{+ 140}$ $\[6030_{-150}^{+140}\]$
[Fe/H]	Metallicity (dex)	0.082 ± 0.079	−0.101 ± 0.079	0.01 ± 0.30
$\dot{γ}$ $\[\dot{\gamma}\]$	RV slope (m/s/d)	−	−	${0.372}_{- 0.065}^{+ 0.064}$ $\[0.372_{-0.065}^{+0.064}\]$
Planetary parameters		TOI-5076b	TOI-1836b	TOI-4081b
P	Period (days)	${23.443162}_{- 0.000063}^{+ 0.000062}$ $\[23.443162_{-0.000063}^{+0.000062}\]$	20.380799 ± 0.000016	${9.258388}_{- 0.000021}^{+ 0.000020}$ $\[9.258388_{-0.000021}^{+0.000020}\]$
R_P	Radius (R_J)	${0.3113}_{- 0.0084}^{+ 0.0089}$ $\[0.3113_{-0.0084}^{+0.0089}\]$	0.714 ± 0.031	${1.193}_{- 0.067}^{+ 0.066}$ $\[1.193_{-0.067}^{+0.066}\]$
M_P	Mass (M_J)	0.0508 ± 0.0078	0.121 ± 0.029	${1.89}_{- 0.34}^{+ 0.35}$ $\[1.89_{-0.34}^{+0.35}\]$
T_C	Time of conjunction (BJD_TDB)	${2460204.0018}_{- 0.0015}^{+ 0.0014}$ $\[2460204.0018_{-0.0015}^{+0.0014}\]$	${2459646.49351}_{- 0.00041}^{+ 0.00042}$ $\[2459646.49351_{-0.00041}^{+0.00042}\]$	${2458958.6272}_{- 0.0022}^{+ 0.0024}$ $\[2458958.6272_{-0.0022}^{+0.0024}\]$
a	Semi-major axis (AU)	${0.1481}_{- 0.0030}^{+ 0.0028}$ $\[0.1481_{-0.0030}^{+0.0028}\]$	${0.1597}_{- 0.0032}^{+ 0.0031}$ $\[0.1597_{-0.0032}^{+0.0031}\]$	${0.0977}_{- 0.0021}^{+ 0.0020}$ $\[0.0977_{-0.0021}^{+0.0020}\]$
i	Inclination (degrees)	${89.84}_{- 0.17}^{+ 0.11}$ $\[89.84_{-0.17}^{+0.11}\]$	${88.74}_{- 0.21}^{+ 0.24}$ $\[88.74_{-0.21}^{+0.24}\]$	${82.6}_{- 1.5}^{+ 1.1}$ $\[82.6_{-1.5}^{+1.1}\]$
e	Eccentricity	0 (fixed)	0 (fixed)	${0.25}_{- 0.14}^{+ 0.22}$ $\[0.25_{-0.14}^{+0.22}\]$
ω_*	Argument of periastron (degrees)	90 (fixed)	90 (fixed)	$71_{- 28}^{+ 30}$ $\[71_{-28}^{+30}\]$
$T_{eq}^{(1)}$ $\[T_{\text {eq }}^{(1)}\]$	Equilibrium temperature (K)	550 ± 14	$966_{- 30}^{+ 31}$ $\[966_{-30}^{+31}\]$	$1466_{- 50}^{+ 51}$ $\[1466_{-50}^{+51}\]$
K	RV semi-amplitude (m/s)	${4.23}_{- 0.63}^{+ 0.62}$ $\[4.23_{-0.63}^{+0.62}\]$	7.5 ± 1.8	148⁺³¹−27
R_P/R_*	Radius of planet in stellar radii	0.03793 ± 0.00055	${0.04651}_{- 0.00040}^{+ 0.00039}$ $\[0.04651_{-0.00040}^{+0.00039}\]$	${0.0497}_{- 0.0023}^{+ 0.0016}$ $\[0.0497_{-0.0023}^{+0.0016}\]$
δ	Transit depth (fraction)	0.001439 ± 0.000042	${0.002164}_{- 0.000037}^{+ 0.000036}$ $\[0.002164_{-0.000037}^{+0.000036}\]$	${0.00247}_{- 0.00022}^{+ 0.00016}$ $\[0.00247_{-0.00022}^{+0.00016}\]$
τ	Ingress/egress transit duration (days)	${0.00754}_{- 0.00018}^{+ 0.00029}$ $\[0.00754_{-0.00018}^{+0.00029}\]$	${0.0158}_{- 0.0013}^{+ 0.0015}$ $\[0.0158_{-0.0013}^{+0.0015}\]$	${0.0263}_{- 0.011}^{+ 0.0087}$ $\[0.0263_{-0.011}^{+0.0087}\]$
T₁₄	Total transit duration (days)	${0.2034}_{- 0.0023}^{+ 0.0020}$ $\[0.2034_{-0.0023}^{+0.0020}\]$	${0.2772}_{- 0.0016}^{+ 0.0017}$ $\[0.2772_{-0.0016}^{+0.0017}\]$	${0.1764}_{- 0.0082}^{+ 0.0069}$ $\[0.1764_{-0.0082}^{+0.0069}\]$
b	Transit impact parameter	${0.107}_{- 0.075}^{+ 0.11}$ $\[0.107_{-0.075}^{+0.11}\]$	${0.480}_{- 0.074}^{+ 0.059}$ $\[0.480_{-0.074}^{+0.059}\]$	${0.842}_{- 0.11}^{+ 0.038}$ $\[0.842_{-0.11}^{+0.038}\]$
ρ_P	Density (cgs)	${2.08}_{- 0.34}^{+ 0.35}$ $\[2.08_{-0.34}^{+0.35}\]$	${0.41}_{- 0.11}^{+ 0.12}$ $\[0.41_{-0.11}^{+0.12}\]$	${1.37}_{- 0.31}^{+ 0.39}$ $\[1.37_{-0.31}^{+0.39}\]$
log g_P	Surface gravity	${3.113}_{- 0.073}^{+ 0.063}$ $\[3.113_{-0.073}^{+0.063}\]$	${2.77}_{- 0.12}^{+ 0.10}$ $\[2.77_{-0.12}^{+0.10}\]$	${3.516}_{- 0.100}^{+ 0.092}$ $\[3.516_{-0.100}^{+0.092}\]$

Notes. ⁽¹⁾Assumes no albedo and perfect redistribution.

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