Open Access
Table 2
Parameters of the Galactic model.
| Parameter | Value | Meaning |
|---|---|---|
| r0 | 0.075 kpc | B radius, power decrease |
| rcut | 2.1 kpc | B radius, exponential cut |
| α | 1.8 | Power decrease exponent |
| q | 0.5 | B z semiaxis oblation |
| zdthin | 300 pc | Scaleheight of the TnD |
| zdthick | 900 pc | Scaleheight of the TkD |
| Rdthin | 2.53 kpc | Scalelenght of the TnD |
| Rdthick | 3.38 kpc | Scalelenght of the TkD |
| Mb | 8.9 · 109 M⊙ | B total mass |
| Mthin | 3.5 · 1010 M⊙ | TnD total mass |
| Mthick | 1.0 · 1010 M⊙ | TkD total mass |
Notes. Data from McMillan (2017). “B” = bulge, “TnD” = thin disk, and “TkD” = thick disk.
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