Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011iaus..275..104d&link_type=abstract
Jets at all Scales, Proceedings of the International Astronomical Union, IAU Symposium, Volume 275, p. 104-105
Astronomy and Astrophysics
Astronomy
Sgr A*, Mhd, Radiation Mechanisms: General, Plasmas, Radiative Transfer, Diffusion, Acceleration Of Particles
Scientific paper
Cosmos++ (Anninos et al. 2005) is one of the first fully relativistic magneto-hydro-dynamical (MHD) codes that can self-consistently account for radiative cooling, in the optically thin regime. As the code combines a total energy conservation formulation with a radiative cooling function, we have now the possibility to produce spectra energy density from these simulations and compare them to data. In this paper, we present preliminary results of spectra calculated using the same cooling functions from 2D Cosmos++ simulations of the accretion flow around Sgr A*. The simulation parameters were designed to roughly reproduce Sgr A*'s behavior at very low (10-8-10-7 Msolar/yr) accretion rate, but only via spectra can we test that this has been achieved.
Dibi Salomé
Drappeau Samia
Fragile Chris
Markoff Sera
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