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Fig. 6

image

Velocity contours of the inner H i disk, obtained obtained from Gauss-Hermite fits to the 15′′ resolution cube, superposed to the Hα image from Sánchez-Gallego et al. (2012). Contour values are 800, 840, 880, ..., 1400 km s-1. The systemic velocity of 1040 km s-1 is indicated by the thick line.

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