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R Aquarii
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R Aquarii is a variable star in the constellation Aquarius.
R Aquarii peculiar stellar relationship captured by SPHERE.
R Aquarii peculiar stellar relationship captured by SPHERE.
R Aquarii and its surrounding nebulosity
R Aquarii and its surrounding nebulosity
Artist's impression of R Aquarii during an outburst
Artist's impression of R Aquarii during an outburst
The jet and central regions of the nebula around R Aquarii
The jet and central regions of the nebula around R Aquarii
Symbiotic binary
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A symbiotic binary is a type of binary star system, often simply called a symbiotic star. They usually contain a white dwarf with a companion red giant. The cool giant star loses material via Roche lobe overflow or through its stellar wind, which flows onto the hot compact star, usually via an accretion disk.
Artist's impression of R Aquarii, a symbiotic binary, during an active phase
Artist's impression of R Aquarii, a symbiotic binary, during an active phase