USAAAO 2015, I кръг — Задача 22

USAAAO First Round 2015

Условие

If a 1.2 solar mass star shows a radial velocity variation with a period of 9.2 days and amplitude of 32 m/s, estimate the minimum mass of the companion:
a. $7.5*10^{26}$ kg
b. $1.2*10^{26}$ kg
c. $6.9*10^{27}$ kg
d. $5.1*10^{15}$ kg
e. $3.3*10^{27}$ kg

Отговори

Решение

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Оригинал в Архива: 2015-first-round-exam.pdf · официални решения: 2015-first-round-solutions.pdf