Photo-dynamical characterisation of the TOI-178 resonant chain - Exploring the robustness of transit-timing variations and radial velocity mass characterisations

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Volume 688 (August 2024)

A&A, 688 (2024) A211

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Table C.1

Fitted properties of the star and noise parameters

Parameter	Prior	photo-dynamical	photo-dynamical + RV
Star

ρ_★[ρ_⊙]	𝒩(2.23,0.14)	${2.244}_{- 0.019}^{+ 0.006}$ $2.244_{ - 0.019}^{ + 0.006}$	${2.34}_{- 0.10}^{+ 0.07}$ $2.34_{ - 0.10}^{ + 0.07}$
R_★ [R_⊙]	𝒩(0.66,0.01)	${0.6659}_{- 0.0075}^{+ 0.0039}$ $0.6659_{ - 0.0075}^{ + 0.0039}$	${0.6592}_{- 0.0094}^{+ 0.0084}$ $0.6592_{ - 0.0094}^{ + 0.0084}$

TESS

σ	𝒰(0.0e+00,1.0e+30)	$1.7 e - 05_{- 1.1 e - 05}^{+ 1.7 e - 05}$ $1.7e - 05_{ - 1.1e - 05}^{ + 1.7e - 05}$	$1.7 e - 05_{- 1.1 e - 05}^{+ 1.5 e - 05}$ $1.7e - 05_{ - 1.1e - 05}^{ + 1.5e - 05}$
u1	𝒩(0.49,0.02)	${0.485}_{- 0.009}^{+ 0.011}$ $0.485_{ - 0.009}^{ + 0.011}$	${0.485}_{- 0.018}^{+ 0.015}$ $0.485_{ - 0.018}^{ + 0.015}$
u2	𝒩(0.19,0.05)	${0.144}_{- 0.005}^{+ 0.021}$ $0.144_{ - 0.005}^{ + 0.021}$	${0.167}_{- 0.035}^{+ 0.047}$ $0.167_{ - 0.035}^{ + 0.047}$

CHEOPS

σ	𝒰(0.0e+00,1.0e+30)	$3.0 e - 04_{- 5.3 e - 06}^{+ 5.9 e - 06}$ $3.0e - 04_{ - 5.3e - 06}^{ + 5.9e - 06}$	$3.0 e - 04_{- 5.8 e - 06}^{+ 5.8 e - 06}$ $3.0e - 04_{ - 5.8e - 06}^{ + 5.8e - 06}$
ul	𝒩(0.54,0.02)	${0.550}_{- 0.018}^{+ 0.006}$ $0.550_{ - 0.018}^{ + 0.006}$	${0.551}_{- 0.022}^{+ 0.019}$ $0.551_{ - 0.022}^{ + 0.019}$
u2	𝒩(0.16,0.03)	${0.153}_{- 0.007}^{+ 0.017}$ $0.153_{ - 0.007}^{ + 0.017}$	${0.174}_{- 0.022}^{+ 0.024}$ $0.174_{ - 0.022}^{ + 0.024}$

NGTS

σ	𝒰(0.0e+00,1.0e+30)	$4.0 e - 05_{- 2.5 e - 05}^{+ 3.1 e - 05}$ $4.0e - 05_{ - 2.5e - 05}^{ + 3.1e - 05}$	$3.9 e - 05_{- 2.7 e - 05}^{+ 3.3 e - 05}$ $3.9e - 05_{ - 2.7e - 05}^{ + 3.3e - 05}$
ul	𝒩(0.53,0.03)	${0.524}_{- 0.012}^{+ 0.017}$ $0.524_{ - 0.012}^{ + 0.017}$	${0.514}_{- 0.021}^{+ 0.030}$ $0.514_{ - 0.021}^{ + 0.030}$
u2	𝒩(0.17,0.04)	${0.174}_{- 0.014}^{+ 0.008}$ $0.174_{ - 0.014}^{ + 0.008}$	${0.139}_{- 0.030}^{+ 0.037}$ $0.139_{ - 0.030}^{ + 0.037}$

Notes. Stellar and noise parameters, with σ the jitter terms and uk the limb-darkening coefficients.

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