Fig. 9


Kerr parameter as function of the final system mass for our models at Z = Z/ 50,Z/ 20, and Z/ 10, assuming a complete collapse of our helium stars to black holes. Binaries indicated by symbols with a red frame have merger times that exceed the Hubble time.

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.