Combining VLBI and Gamma-Ray Satellite Observations in Blazar Research

K. Wiik, T. Savolainen, E. Valtaoja

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Abstract

VLBI enables us to observe synchrotron radiation from relativistic electrons in the innermost regions of blazars. According to the leptonic models, the same electrons pro- duce also the high-energy radiation component through inverse Compton scattering of seed photons. One demon- stration of the connection between high- and low-energy emission is the correlation found between VLBI compo- nent ejections and gamma-ray flares. VLBI can probe the physical parameters of emitting re- gions, like Lorentz factors and magnetic field direction, and can improve SED modeling by providing the spectra of individual jet components.
Original languageEnglish
Title of host publicationProceedings of the 5th INTEGRAL Workshop on the INTEGRAL Universe (ESA SP-552)
Pages575
Volume552
Publication statusPublished - 2004
MoE publication typeA4 Article in a conference publication

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