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2014•Proceedings of the International Astronomical UnionOpen access

Beaming effect for Fermi/LAT blazars

J. H. Fan, Hubing Xiao, D. Bastieri, Y. Liu, J. M. Hao, Z. Y. Pei, Di Wu, Yu-Hai Yuan, Wei-Hua Cai, C. Lin

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Abstract

Abstract In this talk, we will show the beaming effect for Fermi/LAT blazars, then we discuss the correlations between γ-ray luminosity and other parameters, such as radio Doppler factors, superluminal motions, and core-dominance parameters. We also compare the Doppler factors determined from the γ-ray luminosity, X-ray emissions, and the short-term time scales with those from other methods. Our discussions suggest that γ-ray emissions may be strongly beamed.

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What this paper is about

Abstract In this talk, we will show the beaming effect for Fermi/LAT blazars, then we discuss the correlations between γ-ray luminosity and other parameters, such as radio Doppler factors, superluminal motions, and core-dominance parameters. We also compare the Doppler factors determined from the γ-ray luminosity, X-ray emissions, and the short-term time scales with those from other methods. Our discussions suggest that γ-ray emissions may be strongly beamed.

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Available abstract

Abstract In this talk, we will show the beaming effect for Fermi/LAT blazars, then we discuss the correlations between γ-ray luminosity and other parameters, such as radio Doppler factors, superluminal motions, and core-dominance parameters. We also compare the Doppler factors determined from the γ-ray luminosity, X-ray emissions, and the short-term time scales with those from other methods. Our discussions suggest that γ-ray emissions may be strongly beamed.

Key concepts: Blazar, Superluminal motion, Fermi Gamma-ray Space Telescope, Physics, Astrophysics, BL Lac object, Luminosity, Doppler effect

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