Time Dependent Hadronic Modeling of Flat Spectrum Radio Quasars

Abstract

We introduce a new time-dependent lepto-hadronic model for blazar emission that takes into account the radiation emitted by secondary particles, such as pions and muons, from photo hadronic interactions. Starting from a baseline parameter set guided by a fit to the spectral energy distribution of the blazar 3C 279, we perform a parameter study to investigate the effects of perturbations of the input parameters to mimic different flaring events to study the resulting lightcurves in the optical, X-ray, high energy (HE: E > 100 MeV) and very-high-energy (VHE: E > 100 GeV) gamma-rays as well as the neutrino emission associated with charged-pion and muon decay. We find that flaring events from an increase in the efficiency of Fermi II acceleration will produce a positive correlation between all bandpasses and a marked plateau in the HE gamma-ray lightcurve. We also predict a distinctive dip in the HE lightcurve for perturbations caused by a change in the proton injection spectral index. These plateaus / dips could be a tell tale signature of hadronic models for perturbations that lead to more efficient acceleration of high energy protons in parameter regimes where pion and muon synchrotron emission is non-negligible.

Accepted for publication in The Astrophysical Journal

References in corpus (5)

• Very-High-Energy Gamma Rays from a Distant Quasar: How Transparent Is the Universe?
• Energy spectra of gamma-rays, electrons and neutrinos produced at interactions of relativistic protons with low energy radiation
• The WEBT Campaign on the Blazar 3C279 in 2006
• Implications of a PeV neutrino spectral cutoff in GRB models
• A self-consistent and time-dependent hybrid blazar emission model - Properties and application

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• Polarization Signatures of Kink Instabilities in the Blazar Emission Region from Relativistic Magnetohydrodynamic Simulations
• Radiation and Polarization Signatures of 3D Multi-zone Time-dependent Hadronic Blazar Model
• 3C 279 in Outburst in June 2015: A Broadband-SED Study Based on the INTEGRAL Detection
• Multiwavelength flaring activity of PKS1510-089
• A Single Zone Synchrotron Model for Flares of PKS 1510-089