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2) a) A binary system of stars has a total apparent magnitude of 0.50, as observed unresolved, and when there is no eclipse. The two

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2) a) A binary system of stars has a total apparent magnitude of 0.50, as observed unresolved, and when there is no eclipse. The two components differ in apparent magnitude by 0.90. The parallax of the binary system is 0.05 arcsec. Calculate the absolute magnitudes of the two components. (9 marks)

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