Synchrotron intensity plots from a relativistic stratified jet

Abstract

We examine the effect of a jet transversal structure from magnetohydrodynamic semi-analytical modelling on the total intensity profiles of relativistic jets from active galactic nuclei. In order to determine the conditions for forming double- and triple-peaked transverse intensity profiles, we calculate the radiative transfer for synchrotron emission with self-absorption from the jets described by the models with a constant angular velocity and with a total electric current closed inside a jet. We show that double-peaked profiles appear either in the models with high maximal Lorentz factors or in optically thick conditions. We show that triple-peaked profiles in radio galaxies constrain the fraction of the emitting particles in a jet. We introduce the possible conditions for triple-peaked profiles under the assumptions that nonthermal electrons are preferably located at the jet edges or are distributed according to Ohmic heating.

22 pages, 11 figures, accepted by MNRAS

References in corpus (23)

• First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole
• First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring
• Magnetic acceleration of ultra-relativistic jets in gamma-ray burst sources
• Magnetic acceleration of relativistic AGN jets
• MOJAVE: XV. VLBA 15 GHz Total Intensity and Polarization Maps of 437 Parsec-Scale AGN Jets From 1996-2017
• Kinematics of the jet in M87 on scales of 100 -- 1000 Schwarzschild radii
• MOJAVE. XVII. Jet Kinematics and Parent Population Properties of Relativistically Beamed Radio-Loud Blazars
• Opacity in compact extragalactic radio sources and its effect on astrophysical and astrometric studies
• A ring-like accretion structure in M87 connecting its black hole and jet
• MOJAVE: Monitoring of Jets in Active Galactic Nuclei with VLBA Experiments. XI. Spectral distributions
• Event Horizon Telescope observations of the jet launching and collimation in Centaurus A
• State-of-the-art energetic and morphological modelling of the launching site of the M87 jet
• Intrinsic Physical Conditions and Structure of Relativistic Jets in Active Galactic Nuclei
• Parsec Scale Faraday-Rotation Structure Across the Jets of 9 Active Galactic Nuclei
• A Magnetohydrodynamic Model of The M87 Jet. II. Self-consistent Quad-shock Jet Model for Optical Relativistic Motions and Particle Acceleration
• Physical parameters of active galactic nuclei derived from properties of jet geometry transition region
• A Mechanism for Triple-Ridge Emission Structure of AGN Jets
• Implications from the velocity profile of the M87 jet: a possibility of a slowly rotating black hole magnetosphere
• Reconfinement of highly magnetized jets: Implications for HST-1 in M87
• The Composition and Power of the Jet of the Broad-Line Radio Galaxy 3C 120
• What are the Composition and Power of the Jet in Cyg X-1?
• Parabolic jet shape on parsec scales in high redshift AGN
• On the Radio Image of Relativistic Jets -- I. Internal Structure, Doppler Boosting, and Polarization Maps

Cited by in corpus (7)

• Core shift in parabolic accelerating jets
• On the M87 jet structure near the central engine
• On the possible core shift break in relativistic jets
• Jet MHD analytical model - framework for radiative transfer
• Simulations of linear polarization of precessing AGN jets at parsec scales
• Magnetic field and plasma number density from radio and millimeter core measurements in AGN jets
• On the angular anisotropy of the distribution function of radiating particles in relativistic jets