Resolving Doppler-factor crisis in AGNs: non-steady magnetized outflows

Abstract

Magnetically-driven non-stationary acceleration of jets in AGNs results in the leading parts of the flow been accelerated to much higher Lorentz factors than in the case of steady state acceleration with the same parameters. The higher Doppler-boosted parts of the flow may dominate the high energy emission of blazar jets. We suggest that highly variable GeV and TeV emission in blazars is produced by the faster moving leading edges of highly magnetized non-stationary ejection blobs, while the radio data trace the slower-moving bulk flow. Model predictions compare favorably with the latest Fermi gamma-ray and MOJAVE radio VLBI results.

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Cited by in corpus (30)

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• Gamma-Ray and Parsec-Scale Jet Properties of a Complete Sample of Blazars From the MOJAVE Program
• Radiative Properties of Reconnection-Powered Minijets in Blazars
• On the jet properties of the gamma-ray loud active galactic nuclei
• Relativistic Jets in the Radio Reference Frame Image Database II: Blazar Jet Accelerations from the First 10 Years of Data (1994 - 2003)
• A Fast Flare and Direct Redshift Constraint in Far-UV Spectra of the Blazar S50716+714
• Magnetic Field Generation and Particle Energization at Relativistic Shear Boundaries in Collisionless Electron-Positron Plasmas
• Shock Dissipation in Magnetically Dominated Impulsive Flows
• First-Epoch VLBA Imaging of Twenty New TeV Blazars
• VLBA monitoring of Mrk 421 at 15 GHz and 24 GHz during 2011
• Energetic Constraints on a Rapid Gamma-Ray Flare in PKS 1222+216
• A model for the repeating FRB 121102 in the AGN scenario
• Multi-Epoch VLBA Imaging of Twenty New TeV Blazars: Apparent Jet Speeds
• Chandra & HST Imaging of the Quasars PKS B0106+013 & 3C345: Inverse Compton X-rays and Magnetized Jets
• Astrophysical ZeV acceleration in the relativistic jet from an accreting supermassive blackhole
• Magnetization of jets in luminous blazars
• X-ray and gamma-ray variability of Mrk 421
• A detailed kinematic study of 3C 84 and its connection to Gamma-rays
• Probing an X-ray flare pattern in Mrk 421 induced by multiple stationary shocks: a solution to the bulk Lorentz factor crisis
• Relativistic Shear Flow Between Electron-Ion and Electron-Positron Plasmas and Astrophysical Applications
• Broad-band Jet Emission in Young and Powerful Radio Sources: the Case of the CSS Quasar 3C 186
• Relativistic magnetohydrodynamics in one dimension
• Scaling of Relativistic Shear Flows with Bulk Lorentz Factor
• Looking into the Jet Cone of the Neutrino-Associated Very High Energy Blazar PKS 1424+240
• The Parsec-Scale Structure of the Newer TeV Blazars
• Revisiting the TeV flare of PKS 2155-304 in 2006
• Signatures of linear Breit-Wheeler pair production in polarized $\gamma \gamma$ collisions