The chaos induced by the Galactic bar on the orbits of nearby halo stars

Open Access

Fig. 7

Position of local halo stars close to bar resonances in (E, L_z, L_⊥) space at the present day, selected to have $\frac{Ω_{ϕ, CR}}{Ω_{R, CR}} = l / m \pm 0.005$ $\frac{\Omega_{\phi, \mathrm{CR}}}{\Omega_{R, \mathrm{CR}}}=l / m \pm 0.005$ (see Fig. 2 for examples of each resonant orbit). The stars encircled in black are on resonant bar orbits, meaning with λ = 0 and fdr <−1.9.

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