SAGITTARIUS A ACCRETION FLOW AND BLACK HOLE PARAMETERS FROM GENERAL RELATIVISTIC DYNAMICAL AND POLARIZED RADIATIVE MODELING

We obtain estimates of Sgr A* accretion flow and black hole parameters by fitting polarized submillimeter observations with spectra computed using three-dimensional general relativistic (GR) magnetohydrodynamical (MHD) (GRMHD) simulations. Observations are compiled from averages over many epochs fro...

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Veröffentlicht in:	The Astrophysical journal 2012-08, Vol.755 (2), p.1-17
Hauptverfasser:	Shcherbakov, Roman V, Penna, Robert F, McKinney, Jonathan C
Format:	Artikel
Sprache:	eng
Schlagworte:	Accretion ACCRETION DISKS ASTRONOMY ASTROPHYSICS ASTROPHYSICS, COSMOLOGY AND ASTRONOMY BLACK HOLES Black holes (astronomy) Computer simulation COMPUTERIZED SIMULATION CONVERSION ELECTRON TEMPERATURE EMISSION SPECTRA Estimates FARADAY EFFECT Fittings Fluxes GALAXIES GHZ RANGE INTERFEROMETRY MAGNETIC FIELDS MAGNETOHYDRODYNAMICS Mathematical models PHOTON EMISSION POLARIZATION RADIANT HEAT TRANSFER RELATIVISTIC RANGE SPIN THREE-DIMENSIONAL CALCULATIONS
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