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On the pulsational-radial oscillations instability of isothermal magnetized accretion disk with self-gravity

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Abstract

This is the first paper to consider the effects of both magnetic field and self-gravity on the pulsational instability. Our main new results are that the self-gravity enhances the instability of the magneto-acoustic mode in the outer disk strongly, and also affects the instability in the inner disk, but stabilized the viscous mode. The effect of self-gravity is much greater than that of magnetic field in the outer disk, while the effect of magnetic field on the instability is weaker than that in the previous work's (Wuet al., 1995; Yanget al., 1995), in which the self-gravity has not been considered. Finally, we discuss our results.

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Authors and Affiliations

  1. Institute of Astrophysics, Huazhong Normal University, 430070, Wuhan, P.R. China

    Lu Ye, Yang Lantian, Wu Shaoping & Yang Pibo

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  1. Lu Ye
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  2. Yang Lantian
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  3. Wu Shaoping
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  4. Yang Pibo
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Ye, L., Lantian, Y., Shaoping, W. et al. On the pulsational-radial oscillations instability of isothermal magnetized accretion disk with self-gravity. Astrophys Space Sci 240, 305–316 (1996). https://doi.org/10.1007/BF00639594

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  • DOI: https://doi.org/10.1007/BF00639594

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