3 A star is measured to have a parallax of 0 050 0 002 , and a V band flux of Fy (8 000 05) 10 11 W m (a) What is this star's V band luminosity Ly (b) What is the biggest source of uncertainty in Lv, the uncertainty in 7 or the uncertainty in Fy 3 A star is measured to have a parallax of 0 050 0 0...

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3. A star is measured to have a parallax of = 0.050 0.002, and a V-band...

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3. A star is measured to have a parallax of = 0.050 0.002, and a V-band...

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