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9 papers · 2 filters
Ultra high energy cosmic rays from non-relativistic quasar outflows
Xiawei Wang, Abraham Loeb
It has been suggested that non-relativistic outflows from quasars can naturally account for the missing component of the extragalactic -ray background and explain the cumulative…
Jetted Tidal Disruptions of Stars as a Flag of Intermediate Mass Black Holes at High Redshifts
Anastasia Fialkov, Abraham Loeb
Tidal disruption events (TDEs) of stars by single or binary supermassive black holes (SMBHs) brighten galactic nuclei and reveal a population of otherwise dormant black holes. Adop…
Testing General Relativity with Accretion-Flow Imaging of Sgr A*
Tim Johannsen, Carlos Wang, Avery E. Broderick +4
The Event Horizon Telescope is a global very-long baseline interferometer capable of probing potential deviations from the Kerr metric, which is believed to provide the unique desc…
A novel approach for identifying host galaxies of nearby FRBs
Akshaya Rane, Abraham Loeb
We report on a search for host galaxies of a subset of Rotating Radio Transients (RRATs) that possess a dispersion measure (DM) near or above the maximum Galactic value in their di…
Quasar-driven outflows account for the missing extragalactic gamma-ray background
Xiawei Wang, Abraham Loeb
The origin of the extragalactic -ray background permeating throughout the Universe remains a mystery forty years after its discovery. The extrapolated population of blazars can…
Cumulative neutrino background from quasar-driven outflows
Xiawei Wang, Abraham Loeb
Quasar-driven outflows naturally account for the missing component of the extragalactic -ray background through neutral pion production in interactions between protons accelerat…