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First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way
The Event Horizon Telescope Collaboration
We present the first Event Horizon Telescope (EHT) observations of Sagittarius A* (Sgr A), the Galactic center source associated with a supermassive black hole. These observati…
Cold gas in the heart of Perseus A
Raffaella Morganti, Suma Murthy, Tom Oosterloo +6
We present new JVLA and VLBA observations tracing the HI in the central region of 3C84 (Perseus A). This radio source is hosted by the bright cluster galaxy NGC 1275 in the centre…
Spectral Energy Distributions of Southern Binary X-Ray Sources
John M. Dickey, S. D. Vrtilek, Michael McCollough +5
The rapid variability of X-ray binaries produces a wide range of X-ray states that are linked to activity across the electromagnetic spectrum. It is particularly challenging to stu…