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Fig. 1

image

Dependence of the goodness of the fit measured by the reduced χ2 on the YORP parameter υ for asteroid Eger. The best fit is for υ = 1.1 × 10-8 rad d-2. The dashed curve is a quadratic fit of the data points. The dashed red line indicates a 6% increase in the χ2, which defines our 3σ uncertainty interval given the number of degrees of freedom.

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