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Table 3
Results related to the mean angular diameters and phase shifts for the analyzed spectral regions. The parameters of the sine fit are listed as well as the average values for layers with no fit.
| R Car | ||||
|---|---|---|---|---|
| Region | Mean angular diameter θ [mas] | Scaling factor A | Phase shift Δφvis | Amplitude Δθ [mas] |
| Continuum | 14.33±0.11 | 0.92 | 0.43±0.01 | 1.81 |
| Ti I and Sc I | 16.21±0.11 | 0.92 | 0.46±0.01 | 1.51 |
| H2O | 17.92±0.34 | 0.86 | 0.55±0.05 | 1.51 |
| 12C16O (2-0) | 21.28±0.13 | 0.93 | – | ∼0.87 |
| 12C16O(3-1) | 22.20±0.13 | 0.93 | – | ∼1.01 |
| 12C16O (4-2) | 22.40±0.11 | 0.90 | – | ∼1.31 |
| 12C16O (5-3) | 22.63±0.12 | 0.91 | – | ∼1.46 |
| VX Sgr (active/quiescent phase) | ||||
|---|---|---|---|---|
| Region | Mean angular diameter θ [mas] | Scaling factor A | Phase shift Δφvis | Amplitude Δθ [mas] |
| Continuum | 9.29±0.10/8.69±0.09 | 0.74 | 0.56±0.02/ – | 1.17/0.36 |
| Ti I and Sc I | 11.05±0.32/11.03±0.09 | 0.72 | 0.61±0.06/ – | 1.03/0.60 |
| H2O | 13.01±0.60/13.50±0.08 | 0.63 | 0.59±0.05/ – | 2.49/1.05 |
| 12C16O (2-0) | 16.38±0.06/17.01±0.10 | 0.63 | – | ∼1.30/0.65 |
| 12C16O(3-1) | 17.00±0.06/17.55±0.12 | 0.61 | – | ∼1.37/0.81 |
| 12C16O (4-2) | 17.01±0.05/17.57±0.09 | 0.61 | – | ∼1.16/1.61 |
| 12C16O (5-3) | 17.45±0.06/17.66±0.11 | 0.57 | – | ∼1.49/1.70 |
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