AG Draconis

AG Draconis is a binary system consisting of an orange-red giant star and a white dwarf star that revolve around each other every 550 days. ^[1]

2 relations: Nancy Roman, Symbiotic binary.

Nancy Roman

Nancy Grace Roman (born May 16, 1925) is an American astronomer who was one of the first female executives at NASA.

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Symbiotic binary

A symbiotic binary is a type of binary star system, often simply called a symbiotic star.

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References

[1] https://en.wikipedia.org/wiki/AG_Draconis

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