Fig. 2.
Mean vR in the (ϕ, Jϕ) space obtained for stars from Gaia DR2, with distances estimated with StarHorse, inside an annulus of size ΔR = 0.4 kpc around R = R0. The bin sizes are Δϕ = 0.56° and ΔJϕ = 16 km s−1 kpc. The red and blue lines correspond respectively to slopes of −8 km s−1 kpc deg−1 (expected for CR) and 0 km s−1 kpc deg−1 (expected for the OLR).
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