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Table 4
Values of the best-fit kinematic model parameters.
| Parameter | Value | Remarks |
|
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||
| Global geometric parameters | ||
| R ⋆ | 8.5 R⊙ | from the fit of the SED |
| d | 150 pc | from von Leeuween (2007) |
| i | 30 deg | from the fit of the binary |
| PA | –12 ± 7 deg | |
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| Global kinematic parameters | ||
| Vrot | 500 ± 50 km s-1 | ≈ Vc |
| V0 | 0 km s-1 | from Stee et al. (1995) |
| V∞ | 0 km s-1 | < 10 m s-1 |
| γ | 0.86 | from Stee et al. (1995) |
| β | 0.5 ± 0.1 | Keplerian rotation |
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| H α disk geometry | ||
| aHα | 9.0 ± 3.0 R ⋆ | = 4.8 ± 1.5 mas |
| E WHα | 7.0 ± 1.0 Å | |
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| Br γ disk geometry | ||
| aBrγ | 5.5 ± 1 R ⋆ | = 2.9 ± 0.5 mas |
| E WBrγ | 6.5 ± 0.5 Å | |
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| He i disk geometry | ||
| aHe i | 4.5 ± 0.5 R⋆ | = 2.4 ± 0.3 mas |
| E WHe i | 8.5 ± 0.5 Å | |
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