A transiting hot Jupiter with two outer siblings orbiting an intermediate-mass post-main-sequence star

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Volume 706 (February 2026)

A&A, 706 (2026) A20

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Table A.2

Complete set of priors used in the juliet runs and their corresponding posterior distributions.

Parameter	Prior	Posterior
ρ_*	$N (83.24, 12.0)$ $\mathcal{N}(83.24, 12.0)$	${75.20}_{- 8.75}^{+ 8.35}$ $75.20^{+8.35}_{-8.75}$
P_b	$U (9.4, 9.5)$ $\mathcal{U}(9.4,9.5)$	${9.454693}_{- 0.000018}^{+ 0.000017}$ $9.454693^{+0.000017}_{-0.000018}$
t0_b	$U (2458329.2, 2458329.4)$ $\mathcal{U}(2458329.2,2458329.4)$	${2458329.2911}_{- 0.0022}^{+ 0.0022}$ $2458329.2911^{+0.0022}_{-0.0022}$
p_b	$U (0.0, 1.0)$ $\mathcal{U}(0.0,1.0)$	${0.03401}_{- 0.00042}^{+ 0.00044}$ $0.03401^{+0.00044}_{-0.00042}$
b_b	$U (0.0, 1.0)$ $\mathcal{U}(0.0,1.0)$	${0.177}_{- 0.114}^{+ 0.138}$ $0.177^{+0.138}_{-0.114}$
K_b	$U (10.0, 100.0)$ $\mathcal{U}(10.0,100.0)$	${56.31}_{- 3.42}^{+ 3.37}$ $56.31^{+3.37}_{-3.42}$
$\sqrt{e} \cos ω_{b}$ $\sqrt{e}\cos\omega_b$	$U (- 0.5, 0.5)$ $\mathcal{U}(-0.5,0.5)$	${0.267}_{- 0.085}^{+ 0.061}$ $0.267^{+0.061}_{-0.085}$
$\sqrt{e} \sin ω_{b}$ $\sqrt{e}\sin\omega_b$	$U (- 0.5, 0.5)$ $\mathcal{U}(-0.5,0.5)$	${0.037}_{- 0.126}^{+ 0.126}$ $0.037^{+0.126}_{-0.126}$
P_c	$U (100.0, 200.0)$ $\mathcal{U}(100.0,200.0)$	${115.54}_{- 1.67}^{+ 1.96}$ $115.54^{+1.96}_{-1.67}$
t0_c	$U (2458429.0, 2458529.0)$ $\mathcal{U}(2458429.0,2458529.0)$	${2458520.5353}_{- 2.21}^{+ 2.13}$ $2458520.5353^{+2.13}_{-2.21}$
K_c	$U (10.0, 100.0)$ $\mathcal{U}(10.0,100.0)$	${69.08}_{- 6.57}^{+ 6.69}$ $69.08^{+6.69}_{-6.57}$
P_d	$U (200.0, 450.0)$ $\mathcal{U}(200.0,450.0)$	${297.13}_{- 17.83}^{+ 28.60}$ $297.13^{+28.60}_{-17.83}$
t0_d	$U (2458729.0, 2458929.0)$ $\mathcal{U}(2458729.0,2458929.0)$	${2458790.7853}_{- 10.09}^{+ 10.67}$ $2458790.7853^{+10.67}_{-10.09}$
K_d	$U (10.0, 100.0)$ $\mathcal{U}(10.0,100.0)$	${33.38}_{- 6.60}^{+ 7.14}$ $33.38^{+7.14}_{-6.60}$
$q_{1}^{M E a r t h}$ $q_1^{MEarth}$	$U (0.0, 1.0)$ $\mathcal{U}(0.0,1.0)$	${0.553}_{- 0.310}^{+ 0.293}$ $0.553^{+0.293}_{-0.310}$
$q_{2}^{M E a r t h}$ $q_2^{MEarth}$	$U (0.0, 1.0)$ $\mathcal{U}(0.0,1.0)$	${0.415}_{- 0.288}^{+ 0.346}$ $0.415^{+0.346}_{-0.288}$
mflux^MEarth	$U (- 0.1, 0.1)$ $\mathcal{U}(-0.1,0.1)$	$- {0.00424}_{- 0.00181}^{+ 0.00155}$ $-0.00424^{+0.00155}_{-0.00181}$
$σ_{w}^{M E a r t h}$ $\sigma_w^{MEarth}$	$U (0.0, 2000.0)$ $\mathcal{U}(0.0,2000.0)$	${874.78}_{- 67.80}^{+ 66.33}$ $874.78^{+66.33}_{-67.80}$
$θ_{0}^{M E a r t h}$ $\theta_0^{MEarth}$	$U (- 0.1, 0.1)$ $\mathcal{U}(-0.1,0.1)$	$- {0.00113}_{- 0.00097}^{+ 0.00075}$ $-0.00113^{+0.00075}_{-0.00097}$
$θ_{1}^{M E a r t h}$ $\theta_1^{MEarth}$	$U (- 0.1, 0.1)$ $\mathcal{U}(-0.1,0.1)$	$- {0.00020}_{- 0.00004}^{+ 0.00004}$ $-0.00020^{+0.00004}_{-0.00004}$
$G P_{σ}^{M E a r t h}$ $GP_\sigma^{MEarth}$	$J (1 e - 6, 1.0)$ $\mathcal{J}(1\mathrm{e}{-}6,1.0)$	${0.00033}_{- 0.00012}^{+ 0.00042}$ $0.00033^{+0.00042}_{-0.00012}$
GPρ^MEarth	$J (0.001, 1.0)$ $\mathcal{J}(0.001,1.0)$	${0.0203}_{- 0.0111}^{+ 0.0579}$ $0.0203^{+0.0579}_{-0.0111}$
$q_{1}^{L C O G T}$ $q_1^{LCOGT}$	$U (0.0, 1.0)$ $\mathcal{U}(0.0,1.0)$	${0.438}_{- 0.297}^{+ 0.343}$ $0.438^{+0.343}_{-0.297}$
$q_{2}^{L C O G T}$ $q_2^{LCOGT}$	$U (0.0, 1.0)$ $\mathcal{U}(0.0,1.0)$	${0.477}_{- 0.321}^{+ 0.340}$ $0.477^{+0.340}_{-0.321}$
mflux^LCOGT	$U (- 0.1, 0.1)$ $\mathcal{U}(-0.1,0.1)$	$- {0.0386}_{- 0.0217}^{+ 0.0257}$ $-0.0386^{+0.0257}_{-0.0217}$
$σ_{w}^{L C O G T}$ $\sigma_w^{LCOGT}$	$U (0.0, 2000.0)$ $\mathcal{U}(0.0,2000.0)$	${767.06}_{- 149.03}^{+ 144.65}$ $767.06^{+144.65}_{-149.03}$
$θ_{0}^{L C O G T}$ $\theta_0^{LCOGT}$	$U (- 0.1, 0.1)$ $\mathcal{U}(-0.1,0.1)$	$- {0.0397}_{- 0.0239}^{+ 0.0271}$ $-0.0397^{+0.0271}_{-0.0239}$
$θ_{1}^{L C O G T}$ $\theta_1^{LCOGT}$	$U (- 0.1, 0.1)$ $\mathcal{U}(-0.1,0.1)$	$- {0.00691}_{- 0.00473}^{+ 0.00472}$ $-0.00691^{+0.00472}_{-0.00473}$
$q_{1}^{T E S S}$ $q_1^{TESS}$	$U (0.0, 1.0)$ $\mathcal{U}(0.0,1.0)$	${0.620}_{- 0.219}^{+ 0.221}$ $0.620^{+0.221}_{-0.219}$
$q_{2}^{T E S S}$ $q_2^{TESS}$	$U (0.0, 1.0)$ $\mathcal{U}(0.0,1.0)$	${0.153}_{- 0.095}^{+ 0.155}$ $0.153^{+0.155}_{-0.095}$
mflux^TESS-S1	$U (- 0.01, 0.01)$ $\mathcal{U}(-0.01,0.01)$	$- {0.000013}_{- 0.000040}^{+ 0.000041}$ $-0.000013^{+0.000041}_{-0.000040}$
$σ_{w}^{T E S S - S 1}$ $\sigma_w^{TESS-S1}$	$U (0.0, 1000.0)$ $\mathcal{U}(0.0,1000.0)$	${42.42}_{- 28.34}^{+ 34.14}$ $42.42^{+34.14}_{-28.34}$
GPσ^TESS-S1	$J (1 e - 6, 1.0)$ $\mathcal{J}(1\mathrm{e}{-}6,1.0)$	${0.000168}_{- 0.000025}^{+ 0.000032}$ $0.000168^{+0.000032}_{-0.000025}$
GPρ^TESS-S1	$J (0.001, 1.0)$ $\mathcal{J}(0.001,1.0)$	${0.415}_{- 0.099}^{+ 0.130}$ $0.415^{+0.130}_{-0.099}$
mflux^TESS-S2	$U (- 0.01, 0.01)$ $\mathcal{U}(-0.01,0.01)$	$- {0.000107}_{- 0.000076}^{+ 0.000080}$ $-0.000107^{+0.000080}_{-0.000076}$
$σ_{w}^{T E S S - S 2}$ $\sigma_w^{TESS-S2}$	$U (0.0, 1000.0)$ $\mathcal{U}(0.0,1000.0)$	${30.84}_{- 21.31}^{+ 30.30}$ $30.84^{+30.30}_{-21.31}$
GPσ^TESS-S2	$J (1 e - 6, 1.0)$ $\mathcal{J}(1\mathrm{e}{-}6,1.0)$	${0.000207}_{- 0.000042}^{+ 0.000056}$ $0.000207^{+0.000056}_{-0.000042}$
GPρ^TESS-S2	$J (0.001, 1.0)$ $\mathcal{J}(0.001,1.0)$	${0.615}_{- 0.173}^{+ 0.211}$ $0.615^{+0.211}_{-0.173}$
mflux^TESS-S13	$U (- 0.01, 0.01)$ $\mathcal{U}(-0.01,0.01)$	$- {0.000128}_{- 0.000016}^{+ 0.000016}$ $-0.000128^{+0.000016}_{-0.000016}$
$σ_{w}^{T E S S - S 13}$ $\sigma_w^{TESS-S13}$	$U (0.0, 1000.0)$ $\mathcal{U}(0.0,1000.0)$	${57.73}_{- 39.61}^{+ 53.19}$ $57.73^{+53.19}_{-39.61}$
mflux^TESS-S27	$U (- 0.01, 0.01)$ $\mathcal{U}(-0.01,0.01)$	$- {0.000109}_{- 0.000020}^{+ 0.000019}$ $-0.000109^{+0.000019}_{-0.000020}$
$σ_{w}^{T E S S - S 27}$ $\sigma_w^{TESS-S27}$	$U (0.0, 1000.0)$ $\mathcal{U}(0.0,1000.0)$	${116.67}_{- 76.70}^{+ 84.11}$ $116.67^{+84.11}_{-76.70}$
mflux^TESS-S28	$U (- 0.01, 0.01)$ $\mathcal{U}(-0.01,0.01)$	$- {0.000209}_{- 0.000022}^{+ 0.000022}$ $-0.000209^{+0.000022}_{-0.000022}$
$σ_{w}^{T E S S - S 28}$ $\sigma_w^{TESS-S28}$	$U (0.0, 1000.0)$ $\mathcal{U}(0.0,1000.0)$	${82.65}_{- 56.90}^{+ 73.35}$ $82.65^{+73.35}_{-56.90}$
mflux^TESS-S39	$U (- 0.01, 0.01)$ $\mathcal{U}(-0.01,0.01)$	$- {0.000136}_{- 0.000017}^{+ 0.000017}$ $-0.000136^{+0.000017}_{-0.000017}$
$σ_{w}^{T E S S - S 39}$ $\sigma_w^{TESS-S39}$	$U (0.0, 1000.0)$ $\mathcal{U}(0.0,1000.0)$	${61.65}_{- 42.10}^{+ 56.54}$ $61.65^{+56.54}_{-42.10}$
mflux^TESS-S66	$U (- 0.01, 0.01)$ $\mathcal{U}(-0.01,0.01)$	$- {0.000230}_{- 0.000024}^{+ 0.000024}$ $-0.000230^{+0.000024}_{-0.000024}$
$σ_{w}^{T E S S - S 66}$ $\sigma_w^{TESS-S66}$	$U (0.0, 1000.0)$ $\mathcal{U}(0.0,1000.0)$	${75.10}_{- 51.53}^{+ 67.83}$ $75.10^{+67.83}_{-51.53}$
mflux^TESS-S67	$U (- 0.01, 0.01)$ $\mathcal{U}(-0.01,0.01)$	$- {0.000308}_{- 0.000027}^{+ 0.000027}$ $-0.000308^{+0.000027}_{-0.000027}$
$σ_{w}^{T E S S - S 67}$ $\sigma_w^{TESS-S67}$	$U (0.0, 1000.0)$ $\mathcal{U}(0.0,1000.0)$	${78.44}_{- 53.92}^{+ 74.80}$ $78.44^{+74.80}_{-53.92}$
mflux^TESS-S68	$U (- 0.01, 0.01)$ $\mathcal{U}(-0.01,0.01)$	$- {0.000172}_{- 0.000020}^{+ 0.000021}$ $-0.000172^{+0.000021}_{-0.000020}$
$σ_{w}^{T E S S - S 68}$ $\sigma_w^{TESS-S68}$	$U (0.0, 1000.0)$ $\mathcal{U}(0.0,1000.0)$	${84.21}_{- 56.95}^{+ 72.48}$ $84.21^{+72.48}_{-56.95}$
μ^FEROS	$U (25800.0, 26000.0)$ $\mathcal{U}(25800.0,26000.0)$	${25919.17}_{- 3.76}^{+ 3.58}$ $25919.17^{+3.58}_{-3.76}$
$σ_{w}^{F E R O S}$ $\sigma_w^{FEROS}$	$U (10.0, 40.0)$ $\mathcal{U}(10.0,40.0)$	${18.06}_{- 2.43}^{+ 2.83}$ $18.06^{+2.83}_{-2.43}$
μ^CHIRON-1	$U (7900.0, 8200.0)$ $\mathcal{U}(7900.0,8200.0)$	${8119.16}_{- 13.33}^{+ 13.62}$ $8119.16^{+13.62}_{-13.33}$
$σ_{w}^{C H I R O N - 1}$ $\sigma_w^{CHIRON-1}$	$U (10.0, 40.0)$ $\mathcal{U}(10.0,40.0)$	${23.30}_{- 8.23}^{+ 9.25}$ $23.30^{+9.25}_{-8.23}$
μ^CHIRON-2	$U (- 2600.0, - 2200.0)$ $\mathcal{U}(-2600.0,-2200.0)$	$- {2445.73}_{- 9.31}^{+ 9.23}$ $-2445.73^{+9.23}_{-9.31}$
$σ_{w}^{C H I R O N - 2}$ $\sigma_w^{CHIRON-2}$	$U (10.0, 40.0)$ $\mathcal{U}(10.0,40.0)$	${16.48}_{- 4.57}^{+ 7.79}$ $16.48^{+7.79}_{-4.57}$

Notes. Parameter units follow the juliet documentation (Espinoza et al. 2019).

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