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Table A.1
Summary of the intermediate steps in the parametric modeling.
| Parameter | Prior | Model1 | Model2 | ||||
|
|
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| Primary | θpri (mas) | 0.5 | 0.5 | 0.5 | |||
| fpri | 0.3–0.8 | 0.625 ± 0.001 | 0.628 ± 0.001 | ||||
| Stellar positions | ρbin (mas) | 0.0–5.0 | 0.0 | 0.0 | |||
| PAbin (°) | 0–360 | – | – | ||||
| Ring | Θ (mas) | 2–20 | 14.13 ± 0.15 | 14.25 ± 0.16 | |||
| δΘ / Θ | 0.0–1.0 | 0.99 ± 0.01 | 0.48 ± 0.02 | ||||
| c1 | –1.0–1.0 | 0.25 ± 0.02 | 0.18 ± 0.02 | ||||
| s1 | –1.0–1.0 | 0.18 ± 0.04 | –0.20 ± 0.04 | ||||
| c2 | –1.0–1.0 | 0.20 ± 0.08 | –0.20 ± 0.04 | ||||
| s2 | –1.0–1.0 | –0.25 ± 0.07 | –0.09 ± 0.05 | ||||
| PA (°) | 0–360 | 13 ± 7 | 345 ± 5 | ||||
| i (°) | 5–50 | 27 ± 3 | 25 ± 2 | ||||
| fr | 0.2–0.7 | 0.375 ± 0.001 | 0.208 ± 0.005 | ||||
| Tr (K) | 500–3000 | 1450 ± 20 | 1230 ± 60 | ||||
| Background | f back | 0.0–0.5 | – | 0.164 ± 0.005 | |||
| Tback (K) | 500–8000 | – | 2000 ± 200 | ||||
| Secondary | θsec (mas) | 0.0 | – | – | |||
| fsec | 0.0–0.2 | – | – | ||||
| Tsec (K) | 1500–8000 | – | – | ||||
|
|
|||||||
| Chi-square |
|
– | 9.0 | 3.0 | |||
|
– | 6.9 | 6.7 | ||||
|
– | 8.2 | 4.4 | ||||
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