TOI-3493 b: A planet with a Neptune-like density transiting a bright G0-type star

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Table 7

Posterior distributions of the juliet joint fit for the instrumental and GP fit parameters obtained for the TOI-3493 system.

Parameter^(a)	TOI-3493
Stellar parameters
ρ_⋆ (g cm⁻³)	${0.790}_{- 0.079}^{+ 0.053}$ $0.790_{-0.079}^{+0.053}$
Photometry parameters
M_{TESS 37} (10⁻⁶)	$- 21_{- 4.22}^{+ 4.19}$ $-21_{-4.22}^{+4.19}$
σ_{TESS 37} (ppm)	$145_{- 11.27}^{+ 10.54}$ $145_{-11.27}^{+10.54}$
q_{1,TESS 37}	${0.61}_{- 0.22}^{+ 0.23}$ $0.61_{-0.22}^{+0.23}$
q_{2, TESS 37}	${0.54}_{- 0.26}^{+ 0.27}$ $0.54_{-0.26}^{+0.27}$
M_{TESS 64} (10⁻⁶)	$- 54_{- 4.7}^{+ 4.8}$ $-54_{-4.7}^{+4.8}$
σ_{TESS 64} (ppm)	$287_{- 6.6}^{+ 6.7}$ $287_{-6.6}^{+6.7}$
q_{1, TESS 64}	${0.31}_{- 0.19}^{+ 0.28}$ $0.31_{-0.19}^{+0.28}$
q_{2, TESS 64}	${0.29}_{- 0.19}^{+ 0.23}$ $0.29_{-0.19}^{+0.23}$
M_LCO (10⁻⁶)	$115_{- 53}^{+ 54}$ $115_{-53}^{+54}$
σ_LCO (ppm)	$901_{- 43}^{+ 45}$ $901_{-43}^{+45}$
q_{1, LCO}	${0.26}_{- 0.19}^{+ 0.21}$ $0.26_{-0.19}^{+0.21}$
q_{2, LCO}	${0.42}_{- 0.29}^{+ 0.35}$ $0.42_{-0.29}^{+0.35}$
RV parameters
μ_HARPS (m s⁻¹)	$- {2.29}_{- 3.69}^{+ 4.9}$ $-2.29_{-3.69}^{+4.9}$
σ_HARPS (m s⁻¹)	${1.6}_{- 0.36}^{+ 0.32}$ $1.6_{-0.36}^{+0.32}$
$\dot{γ}$ $\dot{\gamma}$ (m s⁻¹ day⁻¹)	−0.017 ± 0.002
GP hyperparameters
σ_GP,RV (m s⁻¹)	${7.47}_{- 3.38}^{+ 7.14}$ $7.47_{-3.38}^{+7.14}$
α_GP,RV (10⁻⁶ d⁻²)	${7.3}_{- 6.74}^{+ 30.3}$ $7.3_{-6.74}^{+30.3}$
Γ_GP,RV	${0.31}_{- 0.28}^{+ 2.1}$ $0.31_{-0.28}^{+2.1}$
P_rot;GP,RV (d)	${37.44}_{- 1.07}^{+ 2.09}$ $37.44_{-1.07}^{+2.09}$

Notes. ^(a)Priors and descriptions for each parameter are in Table A.1. Error bars denote the 68% posterior credibility intervals.

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