The system VV ORI and the consistency of photometric analysis of eclipsing binary light curves

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Eclipsing Binary Stars, Light Curve, Oao 2, Stellar Spectrophotometry, Variable Stars, Curve Fitting, Eigenvalues, Frequency Response, Optimization, Statistical Analysis, Stellar Luminosity

Scientific paper

The homogeneous automatically recorded OAO-2 UV data on VV Ori are numerically examined. An analytical integration fitting function which can depend on 16 independently specifiable parameters is introduced, showing that a simultaneous unique optimal specification of more than 6 or 7 such parameters is not likely. An 8 parameter simultaneous specification for the quantities considered by Eaton (1975) would not be unique, indicating that relatively indeterminate parameters are unlikely. It is concluded that by adopting means from all the solution sets of a 5-element specification for basic parameters and performing statistical tests for self-consistency, it is possible to investigate gravity darkening and reflection coefficients.

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