Table 2
UD and LDD best fit parameters with a PA and spectral channel selection of the squared visibilities in the first and second lobes (spatial frequencies below 50 arcsec-1).
| PA range (°) and baselines | Wavelength (μm) | θUD (mas) |
|
θLDD (mas) | δ LDD |
|
|
|
||||||
| 114.48–117.95 | 1.609 | 34.54 ± 2.32 | 13.0 | 37.70 ± 0.42 | 0.55 ± 0.07 | 0.3 |
| A1-B2 + A1-C2 | 1.661 | 35.62 ± 3.17 | 146.9 | 39.77 ± 0.30 | 0.66 ± 0.05 | 0.6 |
| 1.713 | 36.09 ± 1.47 | 39.4 | 39.15 ± 0.32 | 0.47 ± 0.05 | 0.7 | |
| 109.01–112.34 | 1.609 | 35.56 ± 1.92 | 13.7 | 38.54 ± 0.37 | 0.51 ± 0.06 | 2.1 |
| A1-B2 + A1-C2 | 1.661 | 36.38 ± 1.05 | 139.3 | 40.13 ± 0.34 | 0.65 ± 0.05 | 1.7 |
| 1.713 | 36.31 ± 1.68 | 38.9 | 39.34 ± 0.31 | 0.47 ± 0.05 | 1.2 | |
| 103.35–107.10 | 1.609 | 36.43 ± 1.86 | 12.2 | 39.03 ± 0.47 | 0.48 ± 0.08 | 2.0 |
| A1-B2 + A1-C2 | 1.661 | 42.13 ± 3.22 | 57.0 | 40.31 ± 0.48 | 0.64 ± 0.08 | 2.3 |
| 1.713 | 36.24 ± 2.81 | 39.4 | 39.32 ± 0.41 | 0.47 ± 0.06 | 1.3 | |
| 9.07–9.85 | 1.609 | 35.45 ± 1.04 | 13.3 | 38.47 ± 0.87 | 0.50 ± 0.02 | 0.2 |
| B2-C1 + A1-C2 | 1.661 | 36.03 ± 3.06 | 157.7 | 39.99 ± 0.25 | 0.65 ± 0.04 | 0.3 |
| 1.713 | 35.96 ± 1.67 | 40.3 | 39.11 ± 0.44 | 0.47 ± 0.06 | 0.2 | |
| 14.40–15.14 | 1.609 | 35.14 ± 1.37 | 13.8 | 38.22 ± 1.11 | 0.52 ± 0.03 | 0.4 |
| B2-C1 + A1-C2 | 1.661 | 35.23 ± 1.41 | 150.4 | 39.52 ± 0.34 | 0.67 ± 0.05 | 0.3 |
| 1.713 | 35.25 ± 1.95 | 32.2 | 38.49 ± 0.51 | 0.45 ± 0.07 | 0.3 | |
| 17.90–18.60 | 1.609 | 35.08 ± 1.28 | 13.7 | 38.18 ± 1.06 | 0.52 ± 0.03 | 0.2 |
| B2-C1 + A1-C2 | 1.661 | 35.00 ± 1.48 | 145.6 | 39.30 ± 0.32 | 0.67 ± 0.05 | 0.4 |
| 1.713 | 34.96 ± 1.51 | 27.9 | 38.07 ± 0.46 | 0.43 ± 0.06 | 0.5 | |
| 21.50–22.16 | 1.609 | 35.02 ± 1.27 | 13.9 | 38.14 ± 1.04 | 0.53 ± 0.03 | 0.4 |
| B2-C1 + A1-C2 | 1.661 | 35.45 ± 3.13 | 152.9 | 39.61 ± 0.28 | 0.67 ± 0.04 | 0.3 |
| 1.713 | 35.53 ± 1.74 | 34.9 | 38.59 ± 0.41 | 0.45 ± 0.06 | 0.2 | |
| 24.54–25.15 | 1.609 | 34.71 ± 1.80 | 13.8 | 37.86 ± 1.45 | 0.54 ± 0.05 | 0.2 |
| B2-C1 + A1-C2 | 1.661 | 34.41 ± 1.73 | 131.9 | 38.92 ± 0.32 | 0.67 ± 0.05 | 0.8 |
| 1.713 | 34.76 ± 2.97 | 24.7 | 37.72 ± 0.38 | 0.42 ± 0.05 | 0.8 | |
| 27.69–28.24 | 1.609 | 34.99 ± 1.47 | 13.7 | 38.10 ± 0.24 | 0.53 ± 0.04 | 0.2 |
| B2-C1 + A1-C2 | 1.661 | 35.68 ± 3.12 | 155.4 | 39.77 ± 0.28 | 0.66 ± 0.04 | 0.2 |
| 1.713 | 35.98 ± 1.52 | 39.6 | 38.95 ± 0.33 | 0.46 ± 0.05 | 0.2 | |
Notes. The given PA is associated to the first lobe data. The standard deviations are derived by determining the values of the parameters that give 
. For the over-fitted cases (
), we used 
to account for the higher contribution of the data noise this implies.
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