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MCQAdvancedExoplanets & Planetary Systems
USAAAO — 2019 First Round
Question 10
Star A, of mass 3.5 M☉, shows radial-velocity variations 24.2 m/s in amplitude and 23.22 years in period, suggesting the presence of an orbiting exoplanet. Which of the following is closest to the mass of the exoplanet in Jupiter masses? Assume the exoplanet’s orbit is circular and has inclination 90°. The mass of Jupiter is 1.898 × 10²⁷ kg. Assume the mass of the planet is much smaller than that of Star A.
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