Free Access

Fig. 1


Comparison of the spectral line broadening between two solar twins with different projected rotational velocities. The wider line corresponds to HIP 19911, with vsini ≈ 4.1 km s-1, and the narrower line comes from HIP 8507, with vsini ≈ 0.8 km s-1.

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.