A dichotomy in radio jet orientations

Gijs Verdoes Kleijn*, P. T. de Zeeuw

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

We examine the relative orientations of radio jets, central dust and stars in low-power (i.e., FR I and FR I/II) radio galaxies. We use the position angles of jet and dust to constrain the three-dimensional angle theta(DJ) between jet and dust. For galaxies with filamentary dust 'lanes' (which tend to be misaligned with the galaxy major axis) the jet is approximately perpendicular to the dust structure, while for galaxies with elliptical dust distributions (typically aligned with the galaxy major axis) there is a much wider distribution of theta(DJ). The dust ellipses are consistent with being nearly circular thin disks viewed at random viewing angles. The lanes are likely warped, unsettled dust structures. We consider two scenarios to explain the dust/jet orientation dichotomy. (c) 2006 Published by Elsevier B.V.

Original languageEnglish
Pages (from-to)814-816
Number of pages3
JournalNew Astronomy Reviews
Volume50
Issue number9-10
DOIs
Publication statusPublished - Nov-2006
EventInternational Workshop on QSO Host Galaxies - , Netherlands
Duration: 22-Aug-200526-Aug-2005

Keywords

  • EARLY-TYPE GALAXIES
  • DUST DISKS
  • IMAGES

Cite this