Three super-Earths and a possible water world from TESS and ESPRESSO

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Volume 688 (August 2024)

A&A, 688 (2024) A216

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Table 5

Prior and posterior planetary parameter distributions for TOI-286, for two circular planets.

Parameter	Prior	Posterior
P_p1 (d)	𝒩(4.5,0.1)	${4.5117244}_{- 0.00000027}^{+ 0.00000031}$ $4.5117244_{ - 0.00000027}^{ + 0.00000031}$
t_0,p1 (BJD)	𝒩(2460186.6,0.1)	2 460186.64911 ± 0.00076
p_p1	𝒩(0.02,0.1)	${0.01673}_{- 0.00036}^{+ 0.00086}$ $0.01673_{ - 0.00036}^{ + 0.00086}$
b_p1	𝒰(0, 1)	${0.60}_{- 0.06}^{+ 0.14}$ $0.60_{ - 0.06}^{ + 0.14}$
e_p1	fixed	0.0
ω_p1 (º)	fixed	90.0
K_p1 (ms⁻¹)	𝒰(0,10)	1.98 ± 0.33
P_p2 (d)	𝒩(39.4,0.1)	${39.361826}_{- 0.000081}^{+ 0.000070}$ $39.361826_{ - 0.000081}^{ + 0.000070}$
t_0,p2 (BJD)	𝒩(2460155.0,0.1)	${2460155.0251}_{- 0.0020}^{+ 0.0018}$ $2460155.0251_{ - 0.0020}^{ + 0.0018}$
p_p2	𝒩(0.02,0.1)	${0.02206}_{- 0.00046}^{+ 0.00097}$ $0.02206_{ - 0.00046}^{ + 0.00097}$
b_p2	𝒰(0, 1)	${0.32}_{- 0.17}^{+ 0.29}$ $0.32_{ - 0.17}^{ + 0.29}$
e_p2	fixed	0.0
ω_p2 (º)	fixed	90.0
K_p2 (ms⁻¹)	𝒰(0,10)	${0.79}_{- 0.47}^{+ 0.64}$ $0.79_{ - 0.47}^{ + 0.64}$
ρ (kgm⁻³)	𝒥(100,10 000)	${3040.5}_{- 1223.2}^{+ 462.4}$ $3040.5_{ - 1223.2}^{ + 462.4}$
q_1,TESS	𝒰(0, 1)	${0.3847784499}_{- 0.13}^{+ 0.18}$ $0.3847784499_{ - 0.13}^{ + 0.18}$
q_2,TESS	𝒰(0, 1)	${0.36}_{- 0.22}^{+ 0.26}$ $0.36_{ - 0.22}^{ + 0.26}$
µ_ESPRESSO18 (ms⁻¹)	𝒰(17774.8,17785.3)	${17780.0}_{- 1.1}^{+ 1.2}$ $17780.0_{ - 1.1}^{ + 1.2}$
σ_w,ESPRESSO18 (ms⁻¹ )	𝒥(0.001,10)	${1.70}_{- 0.52}^{+ 0.60}$ $1.70_{ - 0.52}^{ + 0.60}$
µ_ESPRESSO19 (ms-1)	𝒰(17774.8,17785.3)	17779.8 ± 1.0
σ_w,_ESPRESSO19 (ms⁻¹ )	𝒥(0.001,10)	${1.42}_{- 0.36}^{+ 0.37}$ $1.42_{ - 0.36}^{ + 0.37}$
ρ_HARPS (ms⁻¹)	𝒰(−0.71,3.13)	${0.70}_{- 0.83}^{+ 1.02}$ $0.70_{ - 0.83}^{ + 1.02}$
σ_w,_HARPS (ms⁻¹)	𝒥(0.001,10)	${0.75}_{- 0.74}^{+ 0.91}$ $0.75_{ - 0.74}^{ + 0.91}$
σ_GP,rv	𝒯𝒩(3.9,4.5,0,1000)	${2.01}_{- 0.81}^{+ 0.94}$ $2.01_{ - 0.81}^{ + 0.94}$
α_GP,rv	𝒯𝒩(0.00124,0.00056,0,1000)	$({10.7}_{- 4.3}^{+ 4.8}) \times 10^{- 4}$ $\left( {10.7_{ - 4.3}^{ + 4.8}} \right) \times {10^{ - 4}}$
Γ_GP,rv	𝒯??(0.54,0.43,0,1000)	${0.93}_{- 0.39}^{+ 0.44}$ ${0.93_{ - 0.39}^{ + 0.44}}$
P_rot,GP,rv	𝒩(35.9,4.2)	36.7 ± 2.5

a_p1 (au)	–	0.0503 ± 0.001
i_p1 (º)	–	87.52 ± 0.59
T_14,p1 (h)	–	2.04 ± 0.27
M_p1 (M_⊕)	–	4.53 ± 0.78
R_p1 (R_⊕)	–	1.42 ± 0.10
ρ_p1 (g cm⁻³)	–	8.63 ± 2.32
T_eq,p1 (K)	–	979.0 ± 31 .0
a_p1 (au)	–	0.213 ± 0.0042
i_p1 (º)	–	89.69 ± 0.28
Ti4,p1 (h)	–	4.97 ± 0.55
Mp1 (M_⊕)	–	3.72 ± 2.22
R_p1 (R_⊕)	–	1.88 ± 0.12
ρ_p1 (g cm−3)	–	3.09 ± 1 .93
T_eq,p1 (K)	–	475.0 ± 15.0
log Z	–	215562.9 ± 0.5

Notes. Obtained with juliet. Top: fitted parameters. Bottom: derived orbital parameters and physical parameters.

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