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Table A.1.
Modeling parameters of the Milky Way.
| Axisymmetric component | ||
|---|---|---|
| Mass of the bulge (Mb) | 1.41 × 1010 M⊙ | |
| Scale length bulge (b1) | 0.3873 kpc | |
| Disk mass (Md) | 8.56 × 1010 M⊙ | |
| Scale length 1 disk (a2) | 5.31 kpc | (1) |
| Scale length 2 disk (b2) | 0.25 kpc | |
| Halo mass (Mh) | 1.07 × 1011 M⊙ | |
| Scale length halo (a3) | 12 kpc | |
| Central bar | ||
| Pattern speed (Ωbar) | 55 km s−1 kpc−1 | (2) |
| Mass (Mbar) | 9.8 × 109 M⊙ | (4) |
| Semi-major axis (a) | 3.1 kpc | (5) |
| Axis ratio (b/a) | 0.37 | (5) |
| Vertical axis (c) | 1 kpc | (6) |
| Present-day orientation | 20° | (3) |
| Spiral arms | ||
| Pattern speed (Ωsp) | 25 km s−1 kpc−1 | (2) |
| Number of spiral arms (m) | 2 | (7) |
| Amplitude (Asp) | 3.9 × 107 M⊙ kpc−3 | (4) |
| Pitch angle (i) | 15.5° | (4) |
| Scale length (RΣ) | 2.6 kpc | (8) |
| Scale height (H) | 0.3 kpc | (8 ) |
| Present-day orientation | 20° | (5) |
References: (1) Allen (1973); (2) Gerhard (2011); (3) Romero-Gómez et al. (2011); (4) Jílková et al. (2012); (5) Martínez-Barbosa et al. (2015); (6) Monari et al. (2014); (7) Drimmel (2000); (8) Jurić et al. (2008).
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