General physical properties of bright Fermi blazars

Abstract

We studied all blazars of known redshift detected by the Fermi satellite during its first three months survey. For the majority of them, pointed Swift observations ensures a good multiwavelength coverage, enabling us to to reliably construct their spectral energy distributions (SED). We model the SEDs using a one-zone leptonic model and study the distributions of the derived interesting physical parameters as a function of the observed gamma-ray luminosity. We confirm previous findings concerning the relation of the physical parameters with source luminosity which are at the origin of the blazar sequence. The SEDs allow to estimate the luminosity of the accretion disk for the majority of broad emitting line blazars, while for the line-less BL Lac objects in the sample upper limits can be derived. We find a positive correlation between the jet power and the luminosity of the accretion disk in broad line blazars. In these objects we argue that the jet must be proton-dominated, and that the total jet power is of the same order of (or slightly larger than) the disk luminosity. We discuss two alternative scenarios to explain this result.

23 pages, 20 figures, accepted for publication in MNRAS. Very minosr changes

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Cited by in corpus (380)

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• Linking {\it Fermi} blazars and radio galaxies through accretion and jet radiation mechanisms
• Obscured $pp$-channel neutrino sources
• The Energetics of the Central Engine in the Powerful Quasar, 3C298
• Magnetization of Relativistic Current-Carrying Jets with Radial Velocity Shear
• A puzzle of radio-quiet quasar PG 1407+265: are optical and X-ray emissions produced from relativistic jet?
• A spectral hardening in the Fermi-LAT Data of 1ES 0502+675
• Blazar Anti-Sequence of Spectral Variability for Individual TeV Blazars
• Accretion Disc-Jet Decomposition from the Optical-Near Infrared Monitoring of Fermi Blazars
• Progress in Multiwavelength and Multi-Messenger Observations of Blazars and Theoretical Challenges
• Searches for very high energy gamma rays from blazars with CANGAROO-III telescope in 2005-2009
• A redshifted excess in the broad emission lines after the flare of the $\gamma$-ray narrow-line Seyfert 1 PKS 2004-447
• Probing the low-energy particle content of blazar jets through MeV observations
• Properties and Possible Physical Origins of $\gamma$-ray Emission in Extreme Synchrotron Blazars
• Constraining the $\gamma$-ray Emission Region for Fermi-Detected FSRQs by the Seed Photon Approach
• From Equipartition to Curvature: The Spectral Evolution of 4FGL Blazars
• An explanation about the flat radio spectrum for Mrk 421
• Hunting for the nature of the enigmatic narrow-line Seyfert 1 galaxy PKS 2004-447
• The physical properties of candidate neutrino-emitter blazars
• The correlations of multi-wave band luminosity and BLR luminosity in Fermi 2LAC blazars
• Optical Monitoring and Long-term Optical Spectral Variability of BL Lacertae Object S5 0716+714
• Cosmological test using the high-redshift detection rate of FSRQs with the Square Kilometer Array
• What we talk about when we talk about blazars?
• Fast Optical Variability of the TeV Blazar PKS 1725+123 Observed by SVOM-VT and Insights from Multi-wavelength Follow-up Observations
• Broadband Spectral Analysis of 1ES2344+514: A Multi-epoch study
• Studying flux variability of the BL Lac object 1ES0806+524 with MAGIC in a multi-wavelength context
• Radio Jet Properties of the Flaring Gamma-Ray Blazar PKS 0346-27
• The blazar sequence revised
• Aspects of astrophysical particle production and beyond the Standard Model phenomenology
• The peculiar new state of the blazar PKS 1510-089
• Extragalactic Searches for Dark Matter Annihilation
• OISTER Optical and Near-Infrared Monitoring Observations of a Peculiar Radio-Loud Active Galactic Nucleus SDSS J110006.07+442144.3
• The Impact of Powerful Jets on the Far-infrared Emission of an Extreme Radio Quasar at z~6
• The January 2010 flare of Mrk421: Insights from a stochastic acceleration model