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dc.contributor.authorQuataert, Eliot
dc.contributor.authorNarayan, Ramesh
dc.date.accessioned2019-09-22T14:23:51Z
dc.date.issued1999
dc.identifier.citationQuataert, Eliot, and Ramesh Narayan. 1999. “Spectral Models of Advection‐dominated Accretion Flows with Winds.” The Astrophysical Journal 520 (1): 298–315. https://doi.org/10.1086/307439.
dc.identifier.issn0887-2783
dc.identifier.urihttp://nrs.harvard.edu/urn-3:HUL.InstRepos:41384878*
dc.description.abstractWe calculate spectral models of advection-dominated accretion flows, taking into account the possibility that significant mass may be lost to an outflow/wind We apply the models to the soft X-ray transient V404 Cyg in quiescence, the Galactic center source Sgr A*, and the nucleus of NGC 4649. We show that there are qualitative degeneracies between the mass-loss rate in the wind and parameters characterizing the microphysics of the accretion flow; of particular importance is delta, the fraction of the turbulent energy which heats the electrons. For small delta, current observations suggest that at most 90% of the mass originating at large radii is lost to a wind, so that at least similar to 10% reaches the central object. For large delta similar to 0.3, however, models with significantly more mass loss are in agreement with the observations. We conclude by highlighting future observations which may clarify the importance of mass loss in sub-Eddington accretion flows.
dc.language.isoen_US
dash.licenseLAA
dc.titleSpectral Models of Advection‐dominated Accretion Flows with Winds
dc.typeJournal Article
dc.description.versionAccepted Manuscript
dc.relation.journalThe Social History of Alcohol Review
dash.depositing.authorNarayan, Ramesh::dc7afe5d74d62c7b451015317ea2ccbe::600
dc.date.available2019-09-22T14:23:51Z
dash.workflow.comments1Science Serial ID 113667
dc.identifier.doi10.1086/307439
dash.source.volume520;1
dash.source.page298-315


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