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Volume 269 - Frontier Research in Astrophysics – II (FRAPWS2016) - High Energy Astrophsyics
Nuclear Activity and the Conditions of Star-formation at the Galactic Center
A. Eckart,* M. Valencia-S., B. Shahzamanian, M. Zajacek, L. Moser, M. Parsa, M. Subroweit, F. Peissker, N. Sabha, M. Horrobin, C. Straubmeier, A. Borkar, D. Kunneriath, V. Karas, C. Rauch, S. Britzen, A. Zensus, M. Garcia-Marin
*corresponding author
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Pre-published on: 2017 August 11
Published on: 2017 November 15
The Galactic Center is the closest galactic nucleus that can be studied with unprecedented angular
resolution and sensitivity. We summarize recent basic observational results on Sagittarius A*
and the conditions for star formation in the central stellar cluster. We cover results from the
radio, infrared, and X-ray domain and include results from simulation as well. From (sub-)mm
and near-infrared variability and near-infrared polarization data we find that the SgrA* system
(supermassive black hole spin, a potential temporary accretion disk and/or outflow) is well ordered
in its geometrical orientation and in its emission process that we assume to reflect the accretion
process onto the supermassive black hole (SMBH).
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