2018
DOI: 10.1093/pasj/psy003
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Magnetic field analysis of the bow and terminal shock of the SS 433 jet

Abstract: We report a polarization analysis of the eastern region of W50, observed with the Australia Telescope Compact Array (ATCA) at 1.4 -3.0 GHz. In order to study the physical structures in the region where the SS433 jet and W50 interact, we obtain an intrinsic magnetic field vector map of that region. We find that the orientation of the intrinsic magnetic field vectors are aligned along the total intensity structures, and that there are characteristic, separate structures related to the jet, the bow shock, and the… Show more

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Cited by 15 publications
(13 citation statements)
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“…The previous work [12] and this work used the same radio data introduced by Farnes et al (2017) [11]. However, this current paper extends our analysis.…”
Section: Observationsupporting
confidence: 63%
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“…The previous work [12] and this work used the same radio data introduced by Farnes et al (2017) [11]. However, this current paper extends our analysis.…”
Section: Observationsupporting
confidence: 63%
“…Sakemi et al (2018) carried out a detailed polarization analysis of the eastern region of W50 using the ATCA dataset [12]. They found a well-aligned magnetic field along the terminal shock and suggested the possibility of a spiral magnetic field that may be associated with the helical structure.…”
Section: Introductionmentioning
confidence: 99%
“…When a poloidal field exists, toroidal fields may coil around the surface of the cocoon. Such a helical magnetic field has been found at the Eastern edge of W50, behind the terminal shock of the SS433 jet [11].…”
Section: Jet Dynamicsmentioning
confidence: 77%
“…The magnetic fields in the jets are amplified by the compression at the secondary terminal shock, and the magnetic fields are stored between the cocoon and the shocked-ambient gas. These coiling magnetic fields have been observed using polarization analysis at radio wavelengths in W50/SS433 eastern ear [11].…”
Section: Discussionmentioning
confidence: 97%
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