Free Access
Fig. 17.
Download original image
Jet diameter vs. core distance for BL Lac (2200+420). Top: single transition zone model (rigorous fit). The shape transitions at xb ∼ 1.8 mas from parabolic to conical. Bottom: two-transition model where the break points are ‘fit by eye’ parametrizes the complex structure.
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.