Open Access
Table 1
Parameters of the used model of Galactic gravitational potential.
| Symbol | Value | Unit |
|---|---|---|
| R⊙ | 8.0 | kpc |
| z⊙ | −10 | pc |
| Ω⊙ | 28.125 | km s−1 kpc−1 |
![Mathematical equation: $\[\dot{x}_{\odot}\]$](/articles/aa/full_html/2026/04/aa58649-25/aa58649-25-eq1.png) |
−9.3 | km s−1 |
![Mathematical equation: $\[\dot{y}_{\odot}\]$](/articles/aa/full_html/2026/04/aa58649-25/aa58649-25-eq2.png) |
11.2 | km s−1 |
![Mathematical equation: $\[\dot{z}_{\odot}\]$](/articles/aa/full_html/2026/04/aa58649-25/aa58649-25-eq3.png) |
−7.6 | km s−1 |
| Mh | 6.9766 · 1011 | M⊙ |
| bh | 24.0 | kpc |
| Mb | 1.3955 · 1010 | M⊙ |
| bb | 0.35 | kpc |
| Md | 7.9080 · 1010 | M⊙ |
| ad | 3.55 | kpc |
| bd | 0.25 | kpc |
Notes. Assuming a modified rectangular galaxy-centric coordinate system, with the x-axis oriented outward from the Galactic center, y-axis oriented in sense of Galactic rotation, and z-axis oriented toward the South Galactic Pole.
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