A 3-M_SUN Star Is Seen Orbiting with an Unseen Object

question 86

Multiple Choice

A 3-M_SUN star is seen orbiting with an unseen object with a period of 36 days and a semimajor axis of 1 AU.The mass of the unseen object is closest to

• A) 150 M_SUN
• B) 103 M_SUN
• C) 42 M_SUN
• D) 21 M_SUN
• E) 1 M_SUN

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