English
Related papers

Related papers: Estimating jet power in proton blazar models

200 papers

Based on a large Fermi blazar sample, the blazar sequence (synchrotron peak frequency $\nu_{\rm peak}$ versus synchrotron peak luminosity $L_{\rm peak}$) is revisited. It is found that there is significant anti-correlation between $\nu_{\rm…

High Energy Astrophysical Phenomena · Physics 2015-05-07 Dingrong Xiong , Xiong Zhang , Jinming Bai , Haojing Zhang

Spectral energy distributions for models of arbitrarily rotating stars are computed using two dimensional rotating stellar models, NLTE plane parallel model atmospheres, and a code to integrate the appropriately weighted intensities over…

Astrophysics · Physics 2008-05-09 A. Gillich , R. Deupree , C. Lovekin , I. Short , N. Toque

Under the framework of the magnetized accretion ejection structures, we analyze the energy balance properties, and study the spectral energy distributions (SEDs) of the Jet Emitting Disc (JED) model for black hole X-ray transients. Various…

High Energy Astrophysical Phenomena · Physics 2015-06-16 Jian-Fu Zhang , Fu-Guo Xie

Jet origination is one of the most important questions of AGN, yet it stays obscure. In this work, we made use of information of emission lines, spectral energy distributions (SEDs), \textit{Fermi}-LAT $\gamma$-ray emission, construct a…

High Energy Astrophysical Phenomena · Physics 2022-02-02 Hubing Xiao , Zhihao OuYang , Lixia Zhang , Liping Fu , Shaohua Zhang , Xiangtao Zeng , Junhui Fan

There is an increasing number of observational evidence that very high energy gamma-rays in radio-loud active galactic nuclei are produced in the direct vicinity of a supermassive black hole (SMBH), close to the base of a relativistic jet.…

High Energy Astrophysical Phenomena · Physics 2022-11-30 Piotr Banasinski , Wlodek Bednarek

We extend our approach of modeling spectral energy distribution (SED) and lightcurves of blazars to include external Compton (EC) emission due to inverse Compton scattering of an external anisotropic target radiation field. We describe the…

High Energy Astrophysical Phenomena · Physics 2015-06-19 Manasvita Joshi , Alan P. Marscher , Markus Boettcher

A method for the calculation of the luminosity for the proton-nucleus collisions based on the quasi-free proton-proton scattering is presented. As an example of application the integrated luminosity for the scattering of protons off the…

Nuclear Experiment · Physics 2019-08-14 P. Moskal , R. Czyzykiewicz

We present three case studies at a 100 TeV proton collider for how jet analyses can be improved using new jet (sub)structure techniques. First, we use the winner-take-all recombination scheme to define a recoil-free jet axis that is robust…

High Energy Physics - Phenomenology · Physics 2014-08-20 Andrew J. Larkoski , Jesse Thaler

We fit the (quasi-)simultaneous multi-waveband spectral energy distributions (SEDs) for a sample of low-synchrotron-peaked (LSP) blazars with a one-zone leptonic model. The seed photons that predominantly come from broad line region (BLR)…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Shiju Kang , Liang Chen , Qingwen Wu

In this paper we investigate the properties of a sample of six BL Lacs by fitting their spectra using our inhomogeneous jet model with an accelerating, magnetically dominated, parabolic base, which transitions to a slowly decelerating…

High Energy Astrophysical Phenomena · Physics 2015-06-17 William J. Potter , Garret Cotter

We consider particle acceleration to high energy via diffusive shock acceleration in a simple, self-consistent shock in jet model for blazars. Electrons are assumed to be accelerated at a shock front in relativistic jets and radiate…

Astrophysics · Physics 2007-05-23 F. M. Rieger , J. G. Kirk , A. Mastichiadis

Lately a specific kind of blazars drew the attention of the gamma-ray astronomy community: the extreme TeV BL Lacs, blazars that present an extremely energetic and hard emission at very high-energy. Explaining their features is still an…

High Energy Astrophysical Phenomena · Physics 2022-10-12 Alberto Sciaccaluga , Fabrizio Tavecchio

In our review of the blazar phenomenon, we discuss blazar models, with a focus on the following issues: sub-parsec jets and their environment; energy dissipation and particle acceleration; and radiative processes.

Astrophysics · Physics 2009-11-06 M. Sikora , G. Madejski

Modeling the spectral energy distribution (SED) of active galactic nuclei (AGN) plays a very important role in constraining modern cosmological simulations of galaxy formation. Here, we utilize an advanced supermassive black hole (SMBH)…

Astrophysics of Galaxies · Physics 2026-03-23 Tong Su , Qi Guo , Erlin Qiao , Wenxiang Pei , Luis C. Ho , Cedric G. Lacey

The study of blazar jet has been performed for several decades via the VLBI technique, while its generation and propagation stay unclear. In the present work, we compiled a sample of 407 VLBI detected \textit{Fermi} blazars (VFBs) and…

High Energy Astrophysical Phenomena · Physics 2023-03-30 H. B. Xiao , J. T. Zhu , J. H. Fan , Z. Y. Pei , Z. J. Luo , S. H. Zhang

Blazar spectral energy distributions (SEDs) are double peaked and follow a self-similar sequence in luminosity. The so-called "blue" blazars, whose first SED component peaks at X-ray energies, are TeV sources, although with a relatively…

Astrophysics · Physics 2009-10-31 C. Megan Urry

Centaurus A, the closest active galaxy, has been detected from radio to high-energy gamma-rays. The synchrotron radiation by extremely high energy protons may be a suitable mechanism to explain the MeV to GeV emission detected by the…

High Energy Astrophysical Phenomena · Physics 2015-05-13 M. Orellana , G. E. Romero

Knowing the charge of the parton initiating a light-quark jet could be extremely useful both for testing aspects of the Standard Model and for characterizing potential beyond-the-Standard-Model signals. We show that despite the…

High Energy Physics - Phenomenology · Physics 2013-06-17 David Krohn , Tongyan Lin , Matthew D. Schwartz , Wouter J. Waalewijn

We demonstrate that a future high-energy electron-proton collider like THERA could largely extend the current HERA program in jet photoproduction of testing QCD and determining the partonic structure of the proton and the photon. Depending…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Klasen

Using Chandra X-ray and VLA radio data, we investigate the scaling relationship between jet power, P_jet, and synchrotron luminosity, P_rad. We expand the sample presented in Birzan et al. (2008) to lower radio power by incorporating…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 K. W. Cavagnolo , B. R. McNamara , P. E. J. Nulsen , C. L. Carilli , C. Jones , L. Birzan