Self-similar viscous decay in dwarf-nova outbursts

Details Self-similar viscous decay in dwarf-nova outbursts Self-similar viscous decay in dwarf-nova outbursts

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.250..253m&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 250, May 15, 1991, p. 253-257.

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5

Accretion Disks, Brightness Temperature, Computational Astrophysics, Dwarf Novae, Viscosity, Angular Momentum, Stellar Models, Temperature Distribution

Scientific paper

The present self-similar solution study of viscous decay in dwarf-nova outbursts establishes that the brightness temperature distribution of the outburst of the dwarf nova Z Cha is reproducible by a self-similar solution. While the solution's temperature distribution approximates that of the steady disk at the inner radii, the mass-flow rate through the disk gradually decreases with increasing radius, and becomes negative beyond a certain radius. Large values must be assigned to the viscosity parameter.

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