FRB as Products of Accretion Disc Funnels

Abstract

The repeating FRB 121102, the only FRB with an accurately determined position, is associated with a variable persistent radio source consistent with a low luminosity active galactic nucleus. I suggest that FRB originate in the accretion disc funnels of intermediate mass black holes. Narrowly collimated radiation is emitted along the wandering instantaneous angular momentum axis of accreted matter. We observe this emission as a fast radio burst when it sweeps across the direction to the observer. This model constrains the mass of the black hole to values below those of galactic nuclei. It predicts, in contrast to neutron star (pulsar or SGR) models, that repeating FRB will not be periodic and will be co-located with persistent but variable radio sources resulting from the off-axis emission. The model is analogous, on smaller spatial, lower mass and accretion rate and shorter temporal scales, to AGN making double radio sources, with FRB corresponding to blazars in which the jets point toward us.

4 pp, additional references and predictions

References in corpus (7)

• The direct localization of a fast radio burst and its host
• The Host Galaxy and Redshift of the Repeating Fast Radio Burst FRB 121102
• The Repeating Fast Radio Burst FRB 121102 as Seen on Milliarcsecond Angular Scales
• FRB 121102 is coincident with a star forming region in its host galaxy
• A "Cosmic Comb" Model of Fast Radio Bursts
• Opening angles, Lorentz factors and confinement of X-ray binary jets
• Looking below the floor: constraints on the AGN radio luminosity functions at low power

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• Sporadic radio pulses from a white dwarf binary at the orbital period
• A search for FRB 121102-like persistent radio-luminous sources -- Candidates and implications for the FRB rate and searches
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• Statistical properties of the repeating fast radio burst source FRB 121102
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• Axion-mediated Transport of Fast Radio Bursts Originating in Inner Magnetospheres of Magnetars
• Multi-wavelength and Multi-messenger Counterparts of Fast Radio Bursts
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• Radio Nebulæ from Hyper-Accreting X-ray Binaries as Common Envelope Precursors and Persistent Counterparts of Fast Radio Bursts
• Flux Variations of Fast Radio Bursts and Their Persistent Radio Sources: Evidence for a Shared Progenitor
• The Absence of Periodicity in Repeating FRB