Free Access

Fig. D.1

image

Fractional contribution from coronene derivatives in the NW PDR of NGC 7023 according to the physical conditions modelled by the Meudon PDR Code. Coronene is completely dehydrogenated throughout most of the cloud (NH= 0). No contribution from dicationic species is observed.

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.