Luminous Accretion onto the Dark Mass at the Center of the Milky way

Details Luminous Accretion onto the Dark Mass at the Center of the Milky way Luminous Accretion onto the Dark Mass at the Center of the Milky way

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010dmap.conf..303e&link_type=abstract

DARK MATTER IN ASTROPHYSICS AND PARTICLE PHYSICS . Proceedings of the 7th International Heidelberg Conference on Dark 2009 . Hel

Physics

Black Hole Physics, Infrared, General, Accretion, Accretion Disks, Galaxy, Center, Nucleus, Black Holes, Individual, Sgra*

Scientific paper

We report on the results of two successful, simultaneous observations of Sagittarius A* at the center of the Milky Way. The observations were carried out in 2004 and 2008 using telescopes operating from the mm-radio domain to the X-ray domain, and detected strong flux density variations in all wavelength bands. Modeling suggests that a combination of a synchrotron self Compton process and an adiabatic expansion of source components are at work. The luminous flare emission of Sagittarius A* also supports the presence of an accreting super massive black hole at that position. We also discuss the potential of NIR interferometry for further detailed investigations of the accretion process in SgrA*.

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