The jet of fsrq pks 1229-02 and its misidentification as a γ-ray agn
Artikel i vetenskaplig tidskrift, 2019

Flat-spectrum radio quasar PKS 1229-02 with a knotty and asymmetric radio morphology was identified as the optical and radio counterpart of a γ-ray source. In this paper, we study the properties (e.g. morphology, opacity, polarization and kinematics) of the jet in PKS 1229-02 using radio interferometry. With our results, we find that the knotty and asymmetric morphology of this source may probably shaped by the interaction between its anterograde jet and the nonuniform dense ambient medium. By reproducing a Spectral Energy Distribution of PKS 1229-02 with the obtained kinematic parameters, we find that the relativistic beaming effect in PKS 1229-02 is not strong enough to produce the reported γ-ray emission, i.e. PKS 1229-02 may not be a γ-ray AGN. The misidentification may probably be due to the poor spatial resolution of the γ-ray detector of the previous generation.

Galaxies: jets

Galaxies: individual (pks 1229-02)

Radio continuum: galaxies


W. Zhao

Shanghai Astronomical Observatory

Chinese Academy of Sciences

X. Y. Hong

Shanghai Astronomical Observatory

Chinese Academy of Sciences

ShanghaiTech University

T. An

Chinese Academy of Sciences

Shanghai Astronomical Observatory

Jun Yang

Chalmers, Rymd-, geo- och miljövetenskap, Onsala rymdobservatorium

Research in Astronomy and Astrophysics

1674-4527 (ISSN)

Vol. 19 12 179


Acceleratorfysik och instrumentering

Astronomi, astrofysik och kosmologi

Atom- och molekylfysik och optik



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