TOI-858 B b: A hot Jupiter on a polar orbit in a loose binary

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Volume 679 (November 2023)

A&A, 679 (2023) A70

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Table 6

Median values and 68% confidence intervals for the TOI-858 B system.

Parameter	Units	Values	Parameter	Units	Values
Stellar parameters:			Planetary parmeters:		b
M_*	Mass (M_⊙)	${1.081}_{- 0.070}^{+ 0.076}$ $1.081_{ - 0.070}^{ + 0.076}$	M_P	Mass (M_J)	${1.10}_{- 0.07}^{+ 0.08}$ $1.10_{ - 0.07}^{ + 0.08}$
R_*	Radius (R_⊙)	${1.308}_{- 0.038}^{+ 0.037}$ $1.308_{ - 0.038}^{ + 0.037}$	R_P	Radius (R_J)	1.255 ±0.039
L_*	Luminosity (L_⊙)	${1.790}_{- 0.083}^{+ 0.095}$ $1.790_{ - 0.083}^{ + 0.095}$	P	Period (days)	3.2797178 ± 0.0000014
ρ_*	Density (cgs)	${0.680}_{- 0.064}^{+ 0.079}$ $0.680_{ - 0.064}^{ + 0.079}$	T_C	Time of conjunction (BJD_TDB)	58386.45235 ± 0.00028
log g	Surface gravity (cgs)	${4.238}_{- 0.035}^{+ 0.038}$ $4.238_{ - 0.035}^{ + 0.038}$	a	Semi-major axis (AU)	${0.04435}_{- 0.00098}^{+ 0.0010}$ $0.04435_{ - 0.00098}^{ + 0.0010}$
T_eff	Effective temperature (K)	$5842_{- 79}^{+ 84}$ $5842_{ - 79}^{ + 84}$	i	Inclination (°)	${86.80}_{- 0.44}^{+ 0.50}$ $86.80_{ - 0.44}^{ + 0.50}$
[Fe/H]	Metallicity (dex)	0.153 ±0.091	T_eq	Equilibrium temperature (K)	$1529_{- 22}^{+ 23}$ $1529_{ - 22}^{ + 23}$
Age	Age (Gyr)	${6.8}_{- 2.5}^{+ 2.9}$ $6.8_{ - 2.5}^{ + 2.9}$	K	RV semi-amplitude (m s⁻¹)	143 ±7
A_V	V-band extinction (mag)	${0.022}_{- 0.014}^{+ 0.013}$ $0.022_{ - 0.014}^{ + 0.013}$	δ	(R_P/R_*)²	${0.00974}_{- 0.00016}^{+ 0.00014}$ $0.00974_{ - 0.00016}^{ + 0.00014}$
σ_SED	SED photometry error scaling	${3.10}_{- 0.80}^{+ 1.3}$ $3.10_{ - 0.80}^{ + 1.3}$	T₁₄	Total transit duration (days)	0.15010 ±0.00090
ϖ	Parallax (mas)	3.972 ±0.013	T_FWHM	FWHM transit duration (days)	0.13393 ± 0.00060
d	Distance (pc)	251.76 ±0.85	b	Transit impact parameter	${0.419}_{- 0.062}^{+ 0.050}$ $0.419_{ - 0.062}^{ + 0.050}$
			e	Eccentricity	<0.15 at 3 σ
			ρ_P	Density (cgs)	${0.690}_{- 0.073}^{+ 0.087}$ $0.690_{ - 0.073}^{ + 0.087}$
			log g_P	Surface gravity	${3.239}_{- 0.039}^{+ 0.041}$ $3.239_{ - 0.039}^{ + 0.041}$
			〈F〉	Incident flux (10⁹ erg s⁻¹ cm⁻²)	${1.237}_{- 0.072}^{+ 0.076}$ $1.237_{ - 0.072}^{ + 0.076}$

Notes. The orbital eccentricity is fixed at zero in the final model, though we list the 3σ upper limit from models where the eccentricity was a fitted parameter.

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