Gaia Data Release 2
Open Access

Fig. 10

image

Face-on views of the kinematics of the disc mid-plane ([–200, 200] pc), derived using the giant sample: left, from top to bottom, median velocity maps R, ϕ, Z (in km s-1), and right, from top to bottom, velocity dispersion maps (in km s-1). The azimuths increase clockwise. They are labelled from − 30 to + 30 degrees, on the left of the maps. The Sun is represented by a black dot at X = −8.34 kpc and Y = 0 kpc. The Galactic centre is located on the left side. The Milky Way rotates clockwise. The iso-velocity contours R = 0 and Z = 0 km s-1 are pointed out as black lines. The numbers of stars used to produce the maps are given in the lower right corners.

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