Lyman Edge Features from Accretion Disks Around Maximally Rotating Supermassive Black Hole

Details Lyman Edge Features from Accretion Disks Around Maximally Rotating Supermassive Black Hole Lyman Edge Features from Accretion Disks Around Maximally Rotating Supermassive Black Hole

1998-01-12

arxiv.org/abs/astro-ph/9801088v1

Astronomy and Astrophysics

Astrophysics

2 pages, 1 figure, to appear in the proceedings for the Atelier ADJ-LAOG, "La relation accretion-ejection", Observatoire de Gr

Scientific paper

We calculate the amplitude of the Lyman discontinuity for an accretion disk around a maximally rotating black hole. The locally emitted disk spectrum is computed with a previously developed numerical model (Sincell and Krolik 1998) and then a new general relativistic ray-tracing code is used to determine the observed spectra as a function of inclination angle, theta_o. We find that Lyman discontinuities are undetectable for disks viewed at inclinations cos(theta_o) < 0.8, but a significant feature remains for disks seen face-on.

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