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Table 7
Comparison of thick-disc parameters obtained with various thin disc models.
| Parameter | Model A | Model B | Reference model | |
|
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| Halo: | ||||
| power law exponent | 3.11 | 3.08 | 3.36 | |
| axis ratio q | 0.582 | 0.844 | 0.757 | |
| normalisation | 1.000 | 1.69 | 2.82 | |
|
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| Thick disc: | ||||
| IMF slope | –0.95 | –0.86 | –0.22 | |
| scale height (pc) | 549. | 596.1 | 535.2 | |
| normalisation | 1.52 | 1.53 | 1.647 | |
| scale length (pc) | 2410. | 2431. | 2362. | |
| ξ (pc) | 779. | 675. | 662.8 | |
| flare start radius (pc) | 15 034. | 9188. | 9261. | |
| flare slope (pc/kpc) | –0.009 | 0.189 | 0.1310 | |
|
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| Lr | –81 241. | –73 707. | –64 485. | |
Notes. We considered model A and B from Czekaj et al. (2014), which differ by their IMF and local density. The 4th column recalls the values obtained earlier by the standard BGM.
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