Open Access

Fig. 4.

image

Upper left panel: HI on optical image. The contour levels are (1, 5, 10, 50) × 1019 cm−2. Upper right panel: HI pV diagram from Oosterloo & van Gorkom (2005). Lower left panel: best-fit model HI large-scale distribution with i = 90°. Contour levels are (3, 6, 9, 15, 30, 150) × 1019 cm−2. Lower right panel: model HI pV diagram.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.