Open Access
Table 1.
Best-fit parameters of MATISSE derived with PMOIRED.
| Parameter | Value | Uncertainty |
|---|---|---|
| fenv (continuum) | 0.93 | ± 0.01 |
| fenv (Brα) | 0.023 | ± 0.009 |
| ud size (Brα) [mas] | 5.55 | ± 0.12 |
| fBrα (line flux) | 1.10 | ± 0.02 |
| Brα Gaussian width [nm] | 2.09 | ± 0.03 |
| Δx [mas] | 0.19 | ± 0.07 |
| Δy [mas] | 0.09 | ± 0.08 |
| fext (extended flux) | 0.040 | ± 0.005 |
| λ0 (Brα centroid) [μm] | 4.0523 | (fixed) |
| θUD (stellar disc) [mas] | 2.42 | (fixed for the Brα fit) |
| Reduced χ2 | 1.03 | |
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