How far are these stars from the solar system

Reference no: EM133417936

l) A visual binary star system has been observed for 60 years. In that time the two stars have moved 90 degrees with respect to each other (cg. they have completed 1:1 of their orbit around their mutual centre of mass) while remaining a constant 5.0 arcseconds apart from each other. These stars have identical brightnesses and colours. The trigonometric parallax to these stars is 0.10 arcseconds.

(a) How far are these stars from the Solar System"?

(b) What is the semi-maj or axis of their orbits'?

Reference no: EM133417936

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