Open Access
Table 4
Values of the best-fit kinematic model parameters.
| Parameter | Value | Remarks |
|
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||
| Global geometric parameters | ||
| D ⋆ | 10.0 D⊙ | ≃ 0.44 mas |
| d | 168 pc | from von Leeuween (2007) |
| i | 42° | from visible and near-IR |
| bands data fit | ||
| PA | 20 ± 15° | |
|
|
||
| Global kinematic parameters | ||
| V rot | 550 ± 50 km s-1 | ≈ Vc |
| β | 0.5 ± 0.1 | Keplerian rotation |
|
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||
| Hα disk geometry | ||
| a Hα | 10.0 ± 1.0 D⋆ | =4.4 ± 0.4 mas |
| E W Hα | 28.0 ± 3.0 Å | |
|
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||
| non-coherent scattering | ||
| R | 50 ± 20 % | |
| W | 25 ± 10 Å | |
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