Structure Of The Accretion Disks With Opticallt Thick-Thin Transitions

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dc.creatorArtemova, I. V.
dc.creatorBisnovatiy-Kogan, G. S.
dc.creatorBjornsson, G.
dc.creatorNovikov, I. D.
dc.date1995-05-11
dc.date.accessioned2026-07-07T06:30:48Z
dc.date.available2026-07-07T06:30:48Z
dc.descriptionWe present here the solution for accretion disk structure, which describes continuously the transition between optically thick and optically thin disk regions. We show that the disk structure equations without advection, used here, give two branches of solutions which do not intersect for $L<L_{b}\lesssim 0.6 L_{\rm Edd}$ for $α=1.0$ and $M_{BH}=10^8 M_\odot$. For larger luminosities there are no global solutions of the equations without advection. We suggest, as one of the possibilities, that advection becomes important even before, at luminosities $\sim0.1L_{\rm Edd}$, when the inner disk regions become unstable due to radiation pressure dominance and induce the transition from optically thick to optically thin disk in the global solution.
dc.description15 pages plus 2 postscript figures in a uuencoded, tarred, compressed file. Two additional figures available on request from julia@nordita.dk. To be published in The Astrophysical Journal
dc.identifierhttps://arxiv.org/abs/astro-ph/9505051
dc.identifierhttp://arxiv.org/abs/astro-ph/9505051
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/98433
dc.subjectAstrophysics
dc.titleStructure Of The Accretion Disks With Opticallt Thick-Thin Transitions
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