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The ruff of equatorial emission around the SS433 jets: its spectral index and origin

Katherine M Blundell, Michael P Rupen, Amy J Mioduszewski, Tom WB Muxlow, Philipp Podsiadlowski

astro-pharXiv:astro-ph/0209365

Abstract

We present unique radio observations of SS433, using MERLIN, the VLBA, and the VLA, which allow us to, for the first time, properly image and derive a meaningful spectral index for the `ruff' of equatorial emission which surrounds SS433's jet. We interpret this smooth ruff as a wind-like outflow from the binary.

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