Open Access

Fig. 2.


Total integrated radio continuum spectrum of M 51 with a fitted power law, giving a total spectral index αtot = −0.81 ± 0.05. The flux densities and references are listed in Table 2. Bottom left corner: zoom in to the S-band frequency range with the integrated flux densities of the spectral window images. The data points marked with * in the legend are from 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.