TOI-837 b: Characterisation, formation, and evolutionary history of an infant warm Saturn-mass planet

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Volume 688 (August 2024)

A&A, 688 (2024) A15

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Table 1

Stellar parameters of TOI-837 (CPD-63 1435).

Parameter	Value	Ref
α (J2000)	10:28:08.99	(Gaia Collaboration 2016, 2021, 2023)
δ (J2000)	−64:30:18.94	(Gaia Collaboration 2016, 2021, 2023)
µ_α (mas yr⁻¹)	−17.912 ±0.014	(Gaia Collaboration 2016, 2021, 2023)
µ_δ (mas yr⁻¹)	11.490 ±0.014	(Gaia Collaboration 2016, 2021, 2023)
π (mas)	7.0108 ±0.0124	(Gaia Collaboration 2016, 2021, 2023)
B_T (mag)	11.12 ±0.06	(Høg et al. 2000)
V_T (mag)	10.64 ± 0.05	(Høg et al. 2000)
B_Johnson (mag)	11.107 ±0.036	(Henden et al. 2015)
V_Johnson (mag)	10.481 ± 0.044	(Henden et al. 2015)
G (mag)	10.360 ± 0.003	(Gaia Collaboration 2016, 2021, 2023)
i’_sioan (mag)	10.138 ± 0.042	(Henden et al. 2015)
J_2MASS (mag)	9.392 ±0.030	(Cutri et al. 2003)
H_2MASS (mag)	9.108 ±0.038	(Cutri et al. 2003)
K_2MASS (mag)	8.933 ± 0.026	(Cutri et al. 2003)
WISE1 (mag)	8.901 ± 0.023	(Cutri et al. 2021)
WISE2 (mag)	8.875 ±0.021	(Cutri et al. 2021)
WISE3 (mag)	8.875 ±0.020	(Cutri et al. 2021)
A_v (mag)	0.21 ±0.11	This paper (SED)
T_eff (K)	6000 ±60	This paper
log g	4.60 ±0.20	This paper
		(spectral analysis)
log g	${4.453}_{- 0.029}^{+ 0.023}$ $4.453_{ - 0.029}^{ + 0.023}$	This paper
		(SED and MIST evolutionary tracks)
[Fe/H] (dex)	−0.05 ±0.05	This paper
S _MW	0.414 ±0.014	This paper
$\log R_{HK}^{'}$ $\log R_{{\rm{HK}}}^\prime$	−4.311 ±0.018	This paper
υsini_⋆ (km s⁻¹)	l6.5±l.3	This paper
P_rot,⋆ (d)	2.973 ±0.006	This paper
		(TESS photometry)
EW_Li (mÅ)	169 ±6	This paper
A(Li)	3.18±0.04	This paper
Mass (M_⊙)	${1.109}_{- 0.048}^{+ 0.038}$ $1.109_{ - 0.048}^{ + 0.038}$	This paper
Radius (R_⊙)	1.036 ±0.015	This paper
Density (ρ_⊙)	${1.08}_{- 0.04}^{+ 0.04}$ $1.08_{ - 0.04}^{ + 0.04}$	This paper
Luminosity (L_⊙)	${1.27}_{- 0.09}^{+ 0.10}$ $1.27_{ - 0.09}^{ + 0.10}$	This paper
Age (Myr)	$35_{- 5}^{+ 11}$ $35_{ - 5}^{ + 11}$	Bouma et al. (2020)
Age (Myr)	$39_{- 12}^{+ 14}$ $39_{ - 12}^{ + 14}$	This paper
		(SED and MIST evolutionary tracks)^(a)

Notes. ^(a)Posterior derived after using the age interval estimated by Bouma et al. (2020) as a prior.

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