Free Access

Fig. 4

thumbnail

H66α radio recombination line spectra. “Gaussian 1”, the component with the higher velocity, is shown in red, and “Gaussian 2” in blue (Table 2). The dashed black line presents the sum of the two Gaussian fits. The vertical black line marks the systemic molecular gas velocity of − 1.5 km s-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.