The disc origin of the Milky Way bulge - The high velocity dispersion of metal-rich stars at low latitudes

Open Access

Fig. 5

Line-of-sight velocity, $σ_{v_{l o s}}$ ${\sigma _{{{\rm{\v }}_{los}}}}$ , dispersion profiles of simulation particles for a Galactic bar angle relative to the Sun of, from left to right, 0°, 45°, 70°, and 90°. The profiles are plotted for stars with |ℓ|< 2° and |X| < 1.5 kpc, and the shaded areas show a ± σ uncertainty. Inset plots show the position of the Sun relative to the bar orientation.

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