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The jet apparent motion and central engine study of Fermi blazars

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arxiv 2303.16383 v1 pith:ZSODKI2V submitted 2023-03-29 astro-ph.HE astro-ph.GA

classification astro-ph.HEastro-ph.GA
keywords apparentbetablazarscorrelationfermigammamotionvlbi
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abstract

The study of blazar jet has been performed for several decades via the VLBI technique, while its generation and propagation stay unclear. In the present work, we compiled a sample of 407 VLBI detected \textit{Fermi} blazars (VFBs) and studied the correlations between apparent velocity (${\rm log}\,\beta_{\rm app}$) and jet/accretion disk properties. We found a positive correlation between $\gamma$-ray luminosity (${\rm log}\,L_{\rm \gamma}$) and ${\rm log}\,\beta_{\rm app}$, the correlation suggests that the apparent motion of jet knot is related to the jet power.

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Cited by 1 Pith paper

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  1. Radio-Gamma-Ray Properties and High-Energy Implications for Fermi Blazars

    astro-ph.HE 2026-08 conditional novelty 6.0 of 10

    Using 1,687 Fermi blazars, the paper reports a plateau in gamma-ray loudness at high synchrotron peak frequencies, interpreted as Klein-Nishina suppression yielding magnetic field constraints for HBLs.

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