Image Details
Caption: Figure 1.
Photon geodesics for isotropic emission from the rest frame of a fluid element in a marginally stable circular orbit around a Kerr black hole with a/ M = 0.9375. Results shown from grmonty (points) and geokerr (lines). The point size varies linearly with the z-coordinate.
© 2009. The American Astronomical Society. All rights reserved.