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Prog. Theor. Phys. Vol. 58 No. 6 (1977) pp. 1759-1765

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The Effect of Pressure Gradient Force on an Accretion Disk Surrounding a Black-Hole

Reiun Hōshi and Noriaki Shibazaki

Department of Physics, Rikkyo University, Tokyo 171

(Received July 28, 1977)

Abstract:

A stationary thin-orbiting accretion disk surrounding a black-hole has been studied taking the pressure gradient force into account. We have found that under the condition appropriate for a binary X-ray source, with usual assumptions about viscous stress, the disk is largely modified when the pressure gradient force is taken into account. Therefore, current thin-disk models to account for observations of Cyg X-1 are self-inconsistent, since the pressure gradient force is neglected in those accretion disk models.


URL : http://ptp.ipap.jp/link?PTP/58/1759/
DOI : 10.1143/PTP.58.1759

[ Full Text PDF : FREE ACCESS (535K) ] Citation:


References:

  1. N. I. Shakura and R. A. Sunyaev, Astron. Astrophys. 24 (1973), 1.
    I. D. Novikov and K. S. Thorne, in Black Hole, edited by C. DeWitt and B. DeWitt (Gordon and Breach, New York, 1973).
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  2. S. Ichimaru, Astrophys. J. 214 (1977), 840[CrossRef].
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Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 60 No. 4 (1978) pp. 985-1001 :
    Numerical Study of a Stationary Accretion Disk Surrounding a Black Hole
    Noriaki Shibazaki
  2. Progress of Theoretical Physics Vol. 62 No. 2 (1979) pp. 408-423 :
    General Structure of Steady Accretion Disks with a Magnetic Field
    Ritoku Horiuchi and Akira Tomimatsu
  3. Progress of Theoretical Physics Supplement No.70 (1981) pp. 181-201 :
    Theory of Steady Accretion Disks
    Reiun Hoshi