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MCQAdvancedExoplanets & Stellar Systems

USAAAO — 2022 First Round

Question 17

An astronomer observes an eclipsing binary star system from Earth, and he plots the following light curve. Suppose that both stars have circular orbits and the distance between the stars is 14.8 AU. What is the total mass of the binary star system in terms of solar masses?

Figure for USAAAO 2022 question 17

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Source

USAAAO 2022 First Round. Question text, choices, and answer were transcribed from the official USAAAO exam and solutions PDFs.