A comparison of eclipsing binary models - Application to RT UMi

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Computerized Simulation, Eclipsing Binary Stars, Light Curve, Stellar Models, Curve Fitting, Mass Ratios, Stellar Mass, Stellar Spectrophotometry, Variable Stars

Scientific paper

The computer models of Wood and Wilson-Devinney have been used to solve the light curve of RT UMi, an eclipsing binary with unknown mass function and a small value of the inclination angle. The system turns out to be a normal semi detached system, showing the inadequacy of the Russell and Merrill method in this limit case. The good agreement of the two solutions obtained enforces the validity of methods based on light curve synthesis, even in the absence of good starting parameters.

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