Free Access
Fig. 1

Observed fields in the Hα filters. Field 2, the one closer to the galaxy center, is in the upper panel, and field 1 in the lower panel. The observed regions are indicated, where the squares are the regions with measured spectroscopy. Orientation is north down, east left.
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.