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Beaming effect for Fermi/LAT blazars

Published online by Cambridge University Press:  24 March 2015

J. H. Fan ,
H. B. Xiao ,
D. Bastieri ,
Y. Liu ,
J. M. Hao ,
Z. Y. Pei ,
D. X. Wu ,
Y. H. Yuan ,
W. Cai  and
C. Lin
J. H. Fan
Affiliation:
Center for Astrophysics, Guangzhou University, Guangzhou 510006, China Astronomy Science and Technology Research Laboratory of Department of Education of Guangdong Province, Guangzhou 510006, China
H. B. Xiao
Affiliation:
Center for Astrophysics, Guangzhou University, Guangzhou 510006, China Astronomy Science and Technology Research Laboratory of Department of Education of Guangdong Province, Guangzhou 510006, China
D. Bastieri
Affiliation:
Dipartimento di Fisica & Astronomia, Universita di Padova, Italy
Y. Liu
Affiliation:
Center for Astrophysics, Guangzhou University, Guangzhou 510006, China Astronomy Science and Technology Research Laboratory of Department of Education of Guangdong Province, Guangzhou 510006, China
J. M. Hao
Affiliation:
Center for Astrophysics, Guangzhou University, Guangzhou 510006, China Astronomy Science and Technology Research Laboratory of Department of Education of Guangdong Province, Guangzhou 510006, China
Z. Y. Pei
Affiliation:
Center for Astrophysics, Guangzhou University, Guangzhou 510006, China Astronomy Science and Technology Research Laboratory of Department of Education of Guangdong Province, Guangzhou 510006, China
D. X. Wu
Affiliation:
Center for Astrophysics, Guangzhou University, Guangzhou 510006, China Astronomy Science and Technology Research Laboratory of Department of Education of Guangdong Province, Guangzhou 510006, China
Y. H. Yuan
Affiliation:
Center for Astrophysics, Guangzhou University, Guangzhou 510006, China Astronomy Science and Technology Research Laboratory of Department of Education of Guangdong Province, Guangzhou 510006, China
W. Cai
Affiliation:
Center for Astrophysics, Guangzhou University, Guangzhou 510006, China Astronomy Science and Technology Research Laboratory of Department of Education of Guangdong Province, Guangzhou 510006, China
C. Lin
Affiliation:
Center for Astrophysics, Guangzhou University, Guangzhou 510006, China Astronomy Science and Technology Research Laboratory of Department of Education of Guangdong Province, Guangzhou 510006, China
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Abstract

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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.

Keywords

galaxies: activeBL Lacertae Objectsquasars: generalgalaxies: jets
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 10 , Issue S313: Extragalactic jets from every angle , September 2014 , pp. 53 - 57
Copyright
Copyright © International Astronomical Union 2015 

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