Open Access
Fig. 1.

Download original image
X-ray luminosity produced by accretion from a debris disk as a function of the debris-disk age t. We take M = 1.28 M⊙ and R = 3000 km. The horizontal dashed line represents the observed X-ray luminosity range LX = (1.0−1.6) × 1032 erg 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.