The wavelength of a particular line in the spectrum of the smaller star in a binary…

PHYSICS · Subjective · A Level · Physics · Astrophysics · Astrophysics

Problem

The wavelength of a particular line in the spectrum of the smaller star in a binary pair varies, with a period of 131 years, between 567.211 nm and 567.237 nm. Show that the mass of the larger star in the pair is 1.6 times the mass of the sun.

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