• E. Traianou
  • T.P. Krichbaum
  • J.L. Gómez
  • R. Lico
  • G.F. Paraschos
  • I. Cho
  • E. Ros
  • G.-Y. Zhao
  • I. Liodakis
  • R. Dahale
  • T. Toscano
  • A. Fuentes
  • M. Foschi
  • C. Casadio
  • N. MacDonald
  • J.-Y. Kim
  • O. Hervet
  • A.P. Lobanov
  • J. Hodgson
  • I. Myserlis
  • I. Agudo
  • A.J. Zensus
  • A.P. Marscher
One of the most well-known extragalactic sources in the sky, quasar 3C 454.3, shows a curved parsec-scale jet that has been exhaustively monitored with very-long-baseline interferometry (VLBI) over the recent years. In this work, we present a comprehensive analysis of four years of high-frequency VLBI observations at 43 GHz and 86 GHz, between 2013-2017, in total intensity and linear polarization. The images obtained from these observations enabled us to study the jet structure and the magnetic field topology of the source on spatial scales down to 4.6 parsec in projected distance. The kinematic analysis reveals the abrupt vanishing of at least four new superluminal jet features in a characteristic jet region (i.e., region C), which is located at an approximate distance of 0.6 milliarcsec from the VLBI core. Our results support a model in which the jet bends, directing the relativistic plasma flow almost perfectly toward our line of sight, co-spatially with the region where components appear to stop. © 2024 The Authors.
Original languageEnglish
Pages (from-to)A154
JournalAstron. Astrophys.
Volume682
DOIs
StatePublished - 1 Feb 2024

    Research areas

  • Black hole physics, Galaxies: active, Galaxies: jets, Galaxies: magnetic fields, Galaxies: nuclei, Quasars: supermassive black holes, Black holes, Gravitation, Magnetic fields, Radio astronomy, Stars, Black Hole physics, Comprehensive analysis, Extragalactic sources, Galaxies active, Galaxies jets, Galaxies:Nuclei, Quasar: supermassive black hole, Supermassive black holes, Very long baseline interferometry, Galaxies

ID: 117319374