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ALMA and VLA observations of emission from the environment of Sgr A*
F. Yusef-Zadeh, R. Schödel, M. Wardle +6
We present 44 and 226 GHz observations of the Galactic center within 20 of Sgr A*. Millimeter continuum emission at 226 GHz is detected from eight stars that have previously bee…
Multiwavelength study of the flaring activity of Sgr A* in 2014 February-April
E. Mossoux, N. Grosso, H. Bushouse +8
The supermassive black hole Sgr A* is located at the Milky Way center. We studied its flaring activity close to the DSO/G2 pericenter passage to constrain the physical properties a…
Radio Continuum Emission from the Magnetar SGR J1745-2900: Interaction with Gas Orbiting Sgr A*
F. Yusef-Zadeh, R. Diesing, M. Wardle +5
We present radio continuum light curves of the magnetar SGR J17452900 and Sgr A* obtained with multi-frequency, multi-epoch Very Large Array observations between 2012 and 2014.…
A Three Parsec-Scale Jet-Driven Outflow from Sgr A*
F. Yusef-Zadeh, R. Arendt, H. Bushouse +6
The compact radio source Sgr A* is coincident with a 4 million solar mass black hole at the dynamical center of the Galaxy and is surrounded by dense orbiting ionized and molecular…
Interacting Cosmic Rays with Molecular Clouds: A Bremsstrahlung Origin of Diffuse High Energy Emission from the Inner 2deg by 1deg of the Galactic Center
F. Yusef-Zadeh, J. W. Hewitt, M. Wardle +8
The high energy activity in the inner few degrees of the Galactic center is traced by diffuse radio, X-ray and gamma-ray emission. The physical relationship between different compo…