Fig. 4
Full-sky map of (top) the inner surface of the LB shell (rinner) as extracted from the L19 3D extinction map (Sect. 2.2.1) and (bottom) our model of this surface through a spherical harmonic expansion up to lmax = 6 (Sect. 2.2.2). The maps are in Galactic coordinates, the center points towards the Galactic center and longitude increases to the left.
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