Spectra of the o-CH2 J = 4 → 3 fine-structure level toward (clockwise from the top-left) W49 N, W43, W75 N, DR21, and S140 observed using the Onsala 20 m telescope. The individual fits to the HFS components are displayed by dotted blue curves while solid red curves display the combined fit. The positions and relative intensities of the corresponding, blended HFS components are displayed below. The dashed blue line in each panel indicates the systemic velocities of the sources.
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.