Discovery of an X-ray jet and extended jet structure in the quasar PKS 1055+201

D. A. Schwartz*, H. L. Marshall, J. E. J. Lovell, D. W. Murphy, G. V. Bicknell, M. Birkinshaw, J. M. Gelbord, M. Georganopoulos, L. Godfrey, D. L. Jauncey, S. Jester, E. S. Perlman, D. M. Worrall

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

14 Citations (Scopus)

Abstract

This Letter reports rich X-ray jet structures found in the Chandra observation of PKS 1055 +/- 201. In addition to an X-ray jet coincident with the radio jet, we detect a region of extended X-ray emission surrounding the jet as far from the core as the radio hot spot to the north, and a similar extended X-ray region along the presumed path of the unseen counterjet to the southern radio lobe. Both X-ray regions show a similar curvature to the west, relative to the quasar. We interpret this as the first example in which we separately detect the X-ray emission from a narrow jet and extended, residual jet plasma over the entire length of a powerful FR II jet.

Original languageEnglish
Pages (from-to)L107-L110
Number of pages4
JournalAstrophysical Journal
Volume647
Issue number2
Publication statusPublished - 20 Aug 2006

Keywords

  • galaxies : jets
  • quasars : general
  • quasars : individual (PKS 1055+201, 4C 20.24)
  • X-rays : galaxies
  • ACTIVE GALACTIC NUCLEI
  • RADIO-SOURCES

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