Free Access

Fig. 1

image

Radiative-transfer variables along a particular null geodesic that intersects a radiating plasma near a Kerr black hole (see Fig. 2). Top: local specific intensity Iν (dashed red curve), which is computed by integrating Eq. (34) in the direction of increasing affine parameter λ, and of the specific intensity seen by the observer, Iν,obs (solid black curve), which is computed by integrating Eq. (37) in the direction of decreasing λ. The intensity is normalized with respect to the observed intensity in both cases, so that we expect both curves to approach unity with continued integration, which is illustrated using the blue guideline. We note that Iν is a non-monotonic function of λ while Iν,obs is a monotonic function of λ. We also notethat for Iν,obs and τν,obs, integration proceeds from right to left in these plots, and that Iν,obs converges much faster than Iν. Bottom: optical depth for the same ray.

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.