Beaming Effect in Fermi Blazars

Abstract

The γ-ray loud blazars (flat spectrum radio quasars--FSRQs and BL Lacertae objects-BLs) are very bright in the γ-ray bands, which is perhaps associated with a beaming effect. Therefore, one can expect that the γ-ray luminosity is correlated with the beaming factor. In this paper, we investigated the relation between the radio Doppler factors and the gamma-ray luminosities. Our analysis suggests that the γ-ray luminosity be strongly correlated with the factor of δ_R for the whole sample, FSRQs, and BLs. When the effect of a common redshift is excluded, the correlation still exists for the FSRQs sub-sample suggesting that the γ-rays are strongly beamed. However, the partial correlation analysis does not show a correlation for the small BL Lac sample.

arXiv comment12 pages, 4 figures, PASJ (accepted)

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Cited by in corpus (14)

• The Spectral Energy Distributions of Fermi Blazars
• The relationship between the radio core-dominance parameter and spectral index in different classes of extragalactic radio sources (II)
• The Estimation of Fundamental Physics Parameters for Fermi-LAT Blazars
• The Intrinsic Properties of Multiwavelength Energy Spectra for Fermi Teraelectronvolt Blazars
• The estimation of $\gamma$-ray Doppler factor for Fermi/LAT-detected blazars
• Comparison between TeV and non-TeV BL Lac Objects
• Beamed and unbeamed emission of $\gamma$-ray blazars
• The Intrinsic $\gamma$-ray Emissions of $Fermi$ Blazars
• The Fermi-LAT view of the changing-look blazar OQ 334
• Further evidences of superluminal AGNs as $\gamma$-ray sources
• The beaming effect for Fermi-LAT-detected FR-I radio galaxies
• Linking {\it Fermi} blazars and radio galaxies through accretion and jet radiation mechanisms
• Constraining the $\gamma$-ray Emission Region for Fermi-Detected FSRQs by the Seed Photon Approach
• OISTER Optical and Near-Infrared Monitoring Observations of a Peculiar Radio-Loud Active Galactic Nucleus SDSS J110006.07+442144.3