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- University of WaterlooCA128 papers
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4 papers · 2 filters
Jet Launching Structure Resolved Near the Supermassive Black Hole in M87
Sheperd S. Doeleman, Vincent L. Fish, David E. Schenck +30
Approximately 10% of active galactic nuclei exhibit relativistic jets, which are powered by accretion of matter onto super massive black holes. While the measured width profiles of…
Long-lived Positronium and AGN Jets
John T. Giblin, Janine Shertzer
We suggest that stable states of positronium might exist in the jets of active galactic nuclei (AGN). Electrons and positrons are created near the accretion disks of supermassive b…
The runaway instability in general relativistic accretion disks
O. Korobkin, E. Abdikamalov, N. Stergioulas +4
When an accretion disk falls prey to the runaway instability, a large portion of its mass is devoured by the black hole within a few dynamical times. Despite decades of effort, it…
Observing the dynamics of super-massive black hole binaries with Pulsar Timing Arrays
C. M. F. Mingarelli, K. Grover, T. Sidery +2
Pulsar Timing Arrays are a prime tool to study unexplored astrophysical regimes with gravitational waves. Here we show that the detection of gravitational radiation from individual…