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Radio Jet-Ambient Medium Interactions on Parsec Scales in the Blazar 1055+018 | Joanne M. Attridge
; David H. Roberts
; John F. C. Wardle
; | Date: |
22 Mar 1999 | Journal: | Astrophys.J. 518 (1999) L87-L90 | Subject: | astro-ph | Affiliation: | 1 and 2), David H. Roberts and John F. C. Wardle ( Brandeis University, Current address: MIT Haystack Observatory | Abstract: | As part of our study of the magnetic fields of AGN we have recently observed a large sample of blazars with the Very Long Baseline Array. Here we report the discovery of a striking two-component jet in the source 1055+018, consisting of an inner spine with a transverse magnetic field, and a fragmentary but distinct boundary layer with a longitudinal magnetic field. The polarization distribution in the spine strongly supports shocked-jet models while that in the boundary layer suggests interaction with the surrounding medium. This behavior suggests a new way to understand the differing polarization properties of strong- and weak-lined blazars. | Source: | arXiv, astro-ph/9903330 | Services: | Forum | Review | PDF | Favorites |
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