Free Access
Fig. 11.
Download original image
Same as Fig. 10 except the vertical axis is the initial helium mass fraction Yproto, which corresponds to the primordial helium abundance of the protosolar molecular cloud core. The gray open circles in panel d show the results of models K2, K2′, K2-MZvar, K2-MZ1′, and K2-MZ8′ with A2 = [0.12, 0.18].
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.