R Aquarii X-ray Jets: a synoptic study

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Chandra Proposal Id #06300849

Scientific paper

Chandra showed the symbiotic star R Aqr in 2000.69 and 2003.99 has remarkable evolution in its x-ray jets. The NE jet has moved out with a tangential velocity of 600 km/s, much higher than any previously known motion in this system. The SW outer jet has apparently faded, while an inner SW jet is emerging from the central source. We propose three observations next year, one at minimum light of the mira donor star, another at maximum light, and a third coincident with our FUSE 5 observation. This will allow modeling shock processes in the jets as they interact with the surrounding hourglass nebulae and also tell us whether the mira pulsations accompany x-ray emission changes from the central star, elucidating mass transfer and accretion disk or winds surrounding the compact star.

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