VLBI studies of TANAMI radio galaxies

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1612.02424.pdf (215.11 KB)

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https://arxiv.org/abs/1612.02424

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http://hdl.handle.net/11603/18535

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UMBC Physics Department
UMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)

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2016-12-07

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journal articles preprints
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Roberto Angioniet al., VLBI studies of TANAMI radio galaxies, arXiv, 2016,https://arxiv.org/abs/1612.02424

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Abstract

Radio galaxies are relatively faint at γ-ray energies, where they make up only 1-2% of all AGN detected by Fermi-LAT. However, they offer a unique perspective to study the intrinsic properties of AGN jets. For this reason, the combination of γ-ray and multi-wavelength data with high-resolution VLBI monitoring is a powerful tool to tackle the basic unanswered questions about AGN jets. Here we present preliminary results from a sample study of radio galaxies in the Southern hemisphere observed by the TANAMI VLBI monitoring program. We obtain high-resolution maps at 8.4 and 22.3 GHz, and study the jet kinematics using multi-epoch data. We present a preliminary kinematic analysis for the peculiar γ-ray AGN PKS 0521−36.