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Sco X-1: The Movie

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Frames 116 through 129:
We don't know why the radio core flares. There is no correlation with the X-ray and optical data. But whatever causes the flare produces a larger than usual density of high-energy electrons that are channeled down the beam toward the lobes. The enhanced regions of energy in the beam are shown by the white segments moving in the beam. This energy is probably contained in electrons moving within 1% of the speed of light. This burst quickly catches up with the lobes moving at half that speed.  The increased energy spurt from the beam energizes the lobe, which then increases in radio brightness. The energy spurt moving to the right appears much reduced in intensity and in speed, but only because it is moving away from us.

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Page created 05/23/0 by C. Gino