Press Release
Free Access

Fig. 11

thumbnail

Comparison of the two compactness indicators: ΣIR (=/(2  ×  π)), the IR surface brightness, and 13.2 μm compactness (percentage of unresolved Spitzer/IRS light at 13.2 μm, Díaz-Santos et al. 2010).

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.