Question

2. In an eclipsing spectroscopic binary, the maximal radial velocities measured for the two components are 20 and 5 km/s. Assume that M1 is the larger mass. The orbit is circular, and the orbital period is P = 5 yr. It takes 0.3 day from the start of the eclipse to the main minimum, which then lasts 1 day. a. Find the mass of each star. Since the binary is of the eclipsing type, one can safely approximate $i=90^\circ$. b. Assume again $i = 90^\circ$ and find the radius of each star.

          2. In an eclipsing spectroscopic binary, the maximal radial
velocities measured for the two components are 20 and 5
km/s. Assume that M1 is the larger mass. The orbit is
circular, and the orbital period is P = 5 yr. It takes 0.3 day
from the start of the eclipse to the main minimum, which
then lasts 1 day.
a. Find the mass of each star. Since the binary is of the eclipsing
type, one can safely approximate $i=90^\circ$.
b. Assume again $i = 90^\circ$ and find the radius of each star.

2. In an eclipsing spectroscopic binary, the maximal radial
velocities measured for the two components are 20 and 5
km/s. Assume that M1 is the larger mass. The orbit is
circular, and the orbital period is P = 5 yr. It takes 0.3 day
from the start of the eclipse to the main minimum, which
then lasts 1 day.
a. Find the mass of each star. Since the binary is of the eclipsing
type, one can safely approximate i=90^∘.
b. Assume again i = 90^∘ and find the radius of each star.

Added by Joshua K.

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