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The dispersion measure and rotation measure from fast radio burst host galaxies based on the IllustrisTNG50 simulation
Timea Orsolya Kovacs, Sui Ann Mao, Aritra Basu +3
Fast radio bursts (FRB) will become important cosmological tools, as the number of observed FRBs is increasing rapidly with more surveys being carried out. A large sample of FRBs w…
Locating the intense interstellar scattering towards the inner Galaxy
J. Dexter, A. Deller, G. C. Bower +9
We use VLBA+VLA observations to measure the sizes of the scatter-broadened images of 6 of the most heavily scattered known pulsars: 3 within the Galactic Centre (GC) and 3 elsewher…
The Angular Broadening of the Galactic Center Pulsar SGR J1745-29: A New Constraint on the Scattering Medium
Geoffrey C. Bower, Adam Deller, Paul Demorest +6
The pulsed radio emission from the Galactic Center (GC) magnetar SGR J1745-29 probes the turbulent, magnetized plasma of the GC hyperstrong scattering screen through both angular a…
A strong magnetic field around the supermassive black hole at the centre of the Galaxy
R. P. Eatough, H. Falcke, R. Karuppusamy +20
The centre of our Milky Way harbours the closest candidate for a supermassive black hole. The source is thought to be powered by radiatively inefficient accretion of gas from its e…