Numerical simulations of pulsationally unstable accretion disks around supermassive black holes View Full Text


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Article Info

DATE

1993-12

AUTHORS

F. Honma, R. Matsumoto, S. Kato

ABSTRACT

The innermost region of slim accretion disks with standard α viscosity is unstable against axisymmetric radial inertial acoustic perturbations under certain conditions. Numerical simulations are performed in order to demonstrate behaviors of such unstable disks. It is shown that oscillations with the period of ∼ 10−3 (MBH/M⊙) s can be excited near the inner edge of the disks, whereMBH is the mass of the central object. This kind of unstable disks is a possible origin of the periodic X-ray time variabilities with period of ∼ 104s observed in a Seyfert galaxy NGC 6814. More... »

PAGES

365-367

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf00657928

DOI

http://dx.doi.org/10.1007/bf00657928

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1015837761


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