Cold giant discoveries from a joint radial-velocity and astrometry framework - EMPEROR II – Jupiter analogues around metal-rich CHEPS stars

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Table D.1

HIP 8923 joint RV+astrometry parameter estimates.

Parameter	Prior	1K
Offsets and Jitter

γ_C07 (m s^-1)	~U(-200, 200)	$- {30.22}_{- 2.18}^{+ 6.84}$ $Mathematical equation: $-30.22^{+6.84}_{-2.18}$$
γ_C14 (m s^-1)	~U(-200, 200)	$- {38.17}_{- 7.18}^{+ 6.77}$ $Mathematical equation: $-38.17^{+6.77}_{-7.18}$$
γ_{C14_T} (m s^-1)	~U(-200, 200)	${29.09}_{- 2.66}^{+ 5.18}$ $Mathematical equation: $29.09^{+5.18}_{-2.66}$$
σ_C07 (m s^-1)	~N(0, 10)	${1.71}_{- 1.71}^{+ 1.89}$ $Mathematical equation: $1.71^{+1.89}_{-1.71}$$
σ_C14 (m s^-1)	~N(0, 5)	${2.82}_{- 0.27}^{+ 0.79}$ $Mathematical equation: $2.82^{+0.79}_{-0.27}$$
σ_{C14_T} (m s^-1)	~N(0, 10)	${0.94}_{- 0.94}^{+ 0.83}$ $Mathematical equation: $0.94^{+0.83}_{-0.94}$$

Keplerian Orbit

P₁ (days)	~U(1, 15000)	$5160_{- 240}^{+ 150}$ $Mathematical equation: $5160^{+150}_{-240}$$
K₁ (m s^-1)	~U(0, 200)	${48.3}_{- 5.5}^{+ 3.6}$ $Mathematical equation: $48.3^{+3.6}_{-5.5}$$
φ₁(rad)	~U(0, 2π)	${4.96}_{- 0.72}^{+ 0.65}$ $Mathematical equation: $4.96^{+0.65}_{-0.72}$$
e₁	~N(0, 0.3)	${0.011}_{- 0.011}^{+ 0.032}$ $Mathematical equation: $0.011^{+0.032}_{-0.011}$$
ω₁ (rad)	~U(0, 2π)	${0.92}_{- 0.56}^{+ 1.14}$ $Mathematical equation: $0.92^{+1.14}_{-0.56}$$
I₁ (°)	~I(0, 180)	${24.8}_{- 3.9}^{+ 1.2}$ $Mathematical equation: $24.8^{+1.2}_{-3.9}$$
Ω₁ (°)	~U(0, 2π)	${98.47}_{- 8.12}^{+ 5.40}$ $Mathematical equation: $98.47^{+5.40}_{-8.12}$$

Astrometry

Δ α_* (mas)	~U(-10, 10)	${0.604}_{- 0.009}^{+ 0.094}$ $Mathematical equation: $0.604^{+0.094}_{-0.009}$$
Δδ (mas)	~U(-10, 10)	${0.408}_{- 0.068}^{+ 0.079}$ $Mathematical equation: $0.408^{+0.079}_{-0.068}$$
Δϖ (mas)	~U(-10, 10)	${0.017}_{- 0.002}^{+ 0.017}$ $Mathematical equation: $0.017^{+0.017}_{-0.002}$$
Δ μ_{α_*} (mas/yr)	~U(-10, 10)	${0.220}_{- 0.010}^{+ 0.021}$ $Mathematical equation: $0.220^{+0.021}_{-0.010}$$
Δ μ_δ (mas/yr)	~U(-10, 10)	$- {0.237}_{- 0.012}^{+ 0.013}$ $Mathematical equation: $-0.237^{+0.013}_{-0.012}$$
J_hipp (mas)	~U(0, 10)	${1.14}_{- 0.60}^{+ 0.63}$ $Mathematical equation: $1.14^{+0.63}_{-0.60}$$
S_gaia	~N(1, 1, 0.1)	${1.02}_{- 0.06}^{+ 0.02}$ $Mathematical equation: $1.02^{+0.02}_{-0.06}$$

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