Free Access
Fig. 9.

Left panel: face-on map of fyoung, the heating fraction by young stars, as obtained from the 3D dust cell data. White circles indicate the 3 kpc and 6 kpc radii. Central panel: distribution of the cell heating fractions, weighed by dust mass. Right panel: radial profile of fyoung as measured from the cell data.
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.