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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents

ID: 308567.0, MPI für Astronomie / Publikationen_mpia
Discovery of an X-ray jet and extended jet structure in the quasar PKS 1055+201
Authors:Schwartz, D. A.; Marshall, H. L.; Lovell, J. E. J.; Murphy, D. W.; Bicknell, G. V.; Birkinshaw, M.; Gelbord, J. M.; Georganopoulos, M.; Godfrey, L.; Jauncey, D. L.; Jester, S.; Perlman, E. S.; Worrall, D. M.
Date of Publication (YYYY-MM-DD):2006
Journal Abbrev.:The Astrophysical Journal
Start Page:L107
End Page:L110
Audience:Not Specified
Abstract / Description: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.
Free Keywords:Galaxies: Jets; Galaxies: Quasars: General; quasars: individual (PKS 1055+201); quasars: individual (4C 20.24); X-Rays: Galaxies
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
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