Free Access

Fig. 6

image

Download original image

Correlation of the column densities of CH3OH and c-C3H2 towards the four protostars in our sample. The sources are labeled in the legend in the bottom right corner. The dashed lines indicate a CH3OH/c-C3H2 column density ratio of 100, 10, and 1.

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.