Open Access
Table D.1
PIONIER (2013 June/July) best-fit parameters of the parametric models
| GAUSSIAN MODEL | |||
|---|---|---|---|
| Wavelengths [microns] | 1.618 | 1.7 | 1.778 |
| ΘFWHM [mas] | 3.03 ± 0.1 | 3.07 ± 0.08 | 3.05 ± 0.09 |
| Fs | 0.31 ± 0.01 | 0.29 ± 0.01 | 0.26 ± 0.01 |
| Fc | 0.63 ± 0.01 | 0.65 ± 0.01 | 0.67 ± 0.01 |
| Fh | 0.06 ± 0.01 | 0.06 ± 0.01 | 0.07 ± 0.01 |
| PA [deg] | 140.6 ± 3.5 | 139.8 ± 1.9 | 139.0 ± 1.7 |
| i [deg] | 44.3 ± 1.9 | 45.6 ± 1.4 | 47.6 ± 1.5 |
| Δx [mas] | -0.35 ± 0.09 | -0.39 ± 0.06 | -0.53 ± 0.07 |
| Δy [mas] | 0.07 ± 0.07 | 0.05 ± 0.05 | 0.06 ± 0.05 |
| χ2 | 2.4 | 3.0 | 4.4 |
| RECONSTRUCTED IMAGES | |||
| Wavelengths [microns] | 1.618 | 1.7 | 1.778 |
| Hyper-parameter (α) | 231.7 | 364 | 407 |
| Iterations | 37 | 36 | 34 |
| χ2 | 1.01 | 1.01 | 1.0 |
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