3. The star HD 102195 has a mass MA = 0.76 M⊙. Its radial velocity varies sinusoidally with a period P = 4.11 days and an amplitude of va sini = 63 m/s. What is MB sini of the exoplanet causing these variations? Express your answer in Jupiter masses, MJ . FYI: This planet was confirmed last September at Kitt Peak National Observatory in Arizona.
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