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An 8 hour characteristic time-scale in submillimetre light curves of Sagittarius A*
Jason Dexter, Brandon Kelly, Geoffrey C. Bower +4
We compile and analyse long term (~10 year) submillimetre (1.3, 0.87, 0.43 mm, submm) wavelength light curves of the Galactic centre black hole, Sagittarius A*. The 0.87 and 0.43 m…
The Hot and Energetic Universe: The evolution of galaxy groups and clusters
E. Pointecouteau, T. H. Reiprich, C. Adami +45
Major astrophysical questions related to the formation and evolution of structures, and more specifically of galaxy groups and clusters, will still be open in the coming decade and…
Fine-scale structure of the quasar 3C 279 Measured with 1.3 mm very long baseline interferometry
Ru-Sen Lu, Vincent L. Fish, Kazunori Akiyama +30
We report results from 5-day VLBI observations of the well-known quasar 3C 279 at 1.3 mm (230 GHz) in 2011. The measured nonzero closure phases on triangles including stations in A…
Zooming towards the Event Horizon - mm-VLBI today and tomorrow
T. P. Krichbaum, A. Roy, J. Wagner +21
Global VLBI imaging at millimeter and sub-millimeter wavelength overcomes the opacity barrier of synchrotron self-absorption in AGN and opens the direct view into sub-pc scale regi…