All-sky maps of σe 353 (upper) and LH (lower). The gas column density NH is NH i + 2 XCOWCO where NH i is from the LAB data, WCO is from the Planck12CO J = 1 → 0 map (type 3), and XCO = 2 × 1020 H2 cm-2 K-1 km-1 s.
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.