Free Access
Fig. 1
2MASS extinction map of the whole Coalsack by Kainulainen et al. (2009). The contour levels are at 2, 6 and 10 mag extinction. The two boxes outline the two regions mapped in 13CO(2–1) and C18O(2–1) for this work.
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.