{ "id": "1212.4149", "version": "v1", "published": "2012-12-17T21:00:02.000Z", "updated": "2012-12-17T21:00:02.000Z", "title": "Constraining the Accretion Flow in Sgr A* by General Relativistic Dynamical and Polarized Radiative Modeling", "authors": [ "Roman V. Shcherbakov", "Robert F. Penna", "Jonathan C. McKinney" ], "comment": "2 pages, no figures, for Proceedings of IAU Symposium 290 \"Feeding compact objects: Accretion on all scales\", eds C.M. Zhang, T. Belloni, M. Mendez & S.N. Zhang", "categories": [ "astro-ph.HE" ], "abstract": "We briefly summarize the method of simulating Sgr A* polarized sub-mm spectra from the accretion flow and fitting the observed spectrum. The dynamical flow model is based on three-dimensional general relativistic magneto hydrodynamic simulations. Fully self-consistent radiative transfer of polarized cyclo-synchrotron emission is performed. We compile a mean sub-mm spectrum of Sgr A* and fit it with the mean simulated spectra. We estimate the ranges of inclination angle theta=42-75deg, mass accretion rate Mdot=(1.4-7.0)*10^{-8}Msun/yr, and electron temperature Te=(3-4)*10^{10}K at 6M. We discuss multiple caveats in dynamical modeling, which must be resolved to make further progress.", "revisions": [ { "version": "v1", "updated": "2012-12-17T21:00:02.000Z" } ], "analyses": { "keywords": [ "accretion flow", "general relativistic dynamical", "polarized radiative modeling", "three-dimensional general relativistic magneto hydrodynamic", "general relativistic magneto hydrodynamic simulations" ], "tags": [ "journal article" ], "publication": { "doi": "10.1017/S1743921312020157" }, "note": { "typesetting": "TeX", "pages": 2, "language": "en", "license": "arXiv", "status": "editable", "inspire": 1207810, "adsabs": "2013IAUS..290..309S" } } }