Free Access
Fig. 5
Sketch of the PK model (Pier & Krolik 1992). The inner radius, a, outer radius, b and height, h are marked, and the torus is viewed from angle i, measured as shown. The central nucleus is indicated by an asterisk. The density is assumed to be constant throughout the torus.
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.