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Fig. 9


LOS velocity at τc = 0.95 inferred from the inversions for intra-spines (top), and spines (bottom). The LOS velocities are color coded such that red and blue corresponds to velocities away from and toward the observer respectively, and are clipped at (− 3.0, 3.0) km s-1. The absence of systematic differences in LOS velocities between the disk center (direction of arrow) and limb sides of the penumbra demonstrates that the radial Evershed flow is absent in the spines, as expected from the more vertical field there. The FOV is ~35   ×   35′′ and corresponds to that shown in Figs. 4 and 6. Tick marks are at 1′′ intervals.

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