Press Release
Free Access

Table 2

Summary of the parametric modeling.

Parameter Prior Best model

Primary θpri (mas) 0.5 0.5
fpri 0.3–0.8 0.597 ± 0.006
Stellar positions ρbin (mas) 0.0–5.0 0.81 ± 0.05
PAbin (°) 0–360 56 ± 3
Ring Θ (mas) 2–20 14.15 ± 0.10
δΘ / Θ 0.0–1.0 0.457 ± 0.015
c 1 –1.0–1.0 0.35 ± 0.04
s 1 –1.0–1.0 –0.25 ± 0.07
c2 –1.0–1.0 –0.05 ± 0.06
s 2 –1.0–1.0 –0.27 ± 0.03
PA (°) 0–360 6 ± 6
i (°) 5–50 19 ± 2
f r 0.2–0.7 0.209 ± 0.009
Tr (K) 500–3000 1120 ± 50
Background f back 0.0–0.5 0.155 ± 0.005
Tback (K) 500–8000 2400 ± 300
Secondary θsec (mas) 0.0 0.0
fsec 0.0–0.2 0.039 ± 0.007
Tsec (K) 1500–8000 4000 ± 2000

Chi-square 1.8
3.3
2.3

Notes. Only the best-fit model is included. The results of intermediate modeling steps are shown in Table A.1.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.