The X-ray lobes of SS 433
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Abstract
The authors report observations of SS433 and the surrounding region made with the imaging detectors on the Einstein Observatory. The observations are used to map a ≡2°×1° region containing W50 centered on SS433. The results show two bright, diffuse lobes of X-ray emission symmetrically displaced E and W of SS433, aligned along the long axis of W50. The bulk of the emission from each lobe is confined to a region subtending an angle of ≡30° at the central object. The soft X-ray luminosity of each lobe is ≡6×1034 erg s-1, and X-ray spectra indicate that the diffuse emission is considerably softer than SS433 itself. The properties and origin of these lobes, and their relationship to W50, are discussed in the context of the kinematic beam model for SS433.
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