Table 1.
Parameters determined by MCMC.
| Parameter | Unit | Min | Max | Median | Error |
|---|---|---|---|---|---|
| U⊙ | km s−1 | 8. | 12. | 10.79 | 0.56 |
| V⊙ | km s−1 | 6. | 13. | 11.06 | 0.94 |
| W⊙ | km s−1 | 5. | 10. | 7.66 | 0.43 |
| k | km s−1 | 4. | 8. | 4.59 | 0.14 |
| β | – | 0.25 | 0.75 | 0.54 | 0.02 |
 thin |
– | 2. | 3.2 | 2.58 | 0.06 |
 |
km s−1 | 28. | 50. | 37.91 | 2.17 |
 |
km s−1 | 25. | 40. | 30.96 | 0.96 |
| Factors relative to fully self-consistent dynamical model: | |||||
 factor |
– | 0.8 | 1.2 | 1.06 | 0.14 |
 factor |
– | 0.8 | 1.2 | 0.93 | 0.12 |
 factor |
– | 0.8 | 1.2 | 1.01 | 0.11 |
 factor |
– | 0.8 | 1.2 | 0.98 | 0.14 |
 factor |
– | 0.8 | 1.2 | 1.01 | 0.04 |
 factor |
– | 0.8 | 1.2 | 0.98 | 0.08 |
 factor |
– | 0.8 | 1.2 | 1.04 | 0.17 |
 factor |
– | 0.8 | 1.2 | 0.99 | 0.10 |
Notes. The third and fourth columns indicate the minimum and maximum values imposed during the last runs of the MCMC (see text). The median and uncertainty are given for each fitted parameter. The uncertainties are computed from the difference between the third and first quartiles. Parameters below the line are correction factors of the Shu’s parameters from the last self-consistent dynamical model (see text).
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