We study the γ-ray luminosity and beaming effect for Fermi blazars.Our results are as follows.（i） There are significant correlations between γ-ray luminosity and radio core luminosity,and between γ-ray luminosity...We study the γ-ray luminosity and beaming effect for Fermi blazars.Our results are as follows.（i） There are significant correlations between γ-ray luminosity and radio core luminosity,and between γ-ray luminosity and R_v,which suggests that the γ-ray emissions have a strong beaming effect,（ⅱ） Using the L_（ext）/M_（abs） as an indicator of environment effects,we find that there is no significant correlation betweenγ-ray luminosity and L_（ext）/M_（abs） for all sources when we remove the effect of redshift.Flat spectrum radio quasars considered alone also do not show a significant correlation,but BL Lacertae objects（BL Lacs） still show a significant correlation when we remove the effect of redshift.These results suggest that the γ-ray emission may be affected by the environment on a kiloparsec scale for BL Lacs.展开更多
基金the Science Foundation of Yunnan Province of China (Grant Nos.2012F13140 and 2010CD046)supported by the National Natural Science Foundation of China (Grant Nos.11063004,11163007 and U1231203)+1 种基金the High-Energy Astrophysics Science and Technology Innovation Team of Yunnan Higher School and Yunnan Gravitation Theory Innovation Team (2011c1)supported by the research innovation fund for graduate students,Yunnan Normal University (yjs201566)
文摘We study the γ-ray luminosity and beaming effect for Fermi blazars.Our results are as follows.（i） There are significant correlations between γ-ray luminosity and radio core luminosity,and between γ-ray luminosity and R_v,which suggests that the γ-ray emissions have a strong beaming effect,（ⅱ） Using the L_（ext）/M_（abs） as an indicator of environment effects,we find that there is no significant correlation betweenγ-ray luminosity and L_（ext）/M_（abs） for all sources when we remove the effect of redshift.Flat spectrum radio quasars considered alone also do not show a significant correlation,but BL Lacertae objects（BL Lacs） still show a significant correlation when we remove the effect of redshift.These results suggest that the γ-ray emission may be affected by the environment on a kiloparsec scale for BL Lacs.
