Fig. 5
Comparison of photometric measurements with equivalent widths of four extra-galactic Of?p stars. Top left panel: SMC 159-2; top right panel: LMC 164-2; bottom left panel: LMCe 136-1; bottom right panel: AzV 220. Symbols refer to Hβ (black solid circles) and He II λ4686 (empty red triangles). Equivalent width data are from Table 1, from Bagnulo et al. (2017), and the references therein. Photometric data are from OGLE.
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.