Radio and millimeter monitoring of Sgr A{sup ⋆}: Spectrum, variability, and constraints on the G2 encounter

We report new observations with the Very Large Array, Atacama Large Millimeter Array, and Submillimeter Array at frequencies from 1.0 to 355 GHz of the Galactic Center black hole, Sagittarius A*. These observations were conducted between 2012 October and 2014 November. While we see variability over...

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Veröffentlicht in:	The Astrophysical journal 2015-03, Vol.802 (1)
Hauptverfasser:	Bower, Geoffrey C., Markoff, Sera, Dexter, Jason, Gurwell, Mark A., Moran, James M., Brunthaler, Andreas, Falcke, Heino, Fragile, P. Chris, Maitra, Dipankar, Marrone, Dan, Peck, Alison, Rushton, Anthony, Wright, Melvyn C. H.
Format:	Artikel
Sprache:	eng
Schlagworte:	ACCRETION DISKS ASTROPHYSICS, COSMOLOGY AND ASTRONOMY BLACK HOLES COSMIC DUST DISTRIBUTION EMISSION FORECASTING GALAXIES GALAXY NUCLEI PHOTOSPHERE SHOCK WAVES SPECTRA STELLAR WINDS
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