Free Access

Fig. 4

thumbnail

Radial profiles of the relative surface brightness of the Spitzer emission bands at 8 μm and 24 μm and the corresponding ratio across the annuli in the three regions with symbols as defined in Fig. 2.

This figure is made of several images, please see below:

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.