Ñalculation of the transit light curvesDownload C implementation of algorithm, OccultationPack1 The flux decrease and its derivatives for linear, quadratic and square-root laws. Download C implementation of algorithm, OccultationPack2 The flux decrease and its first and second derivatives for linear andquadratic laws. Download C implementation of algorithm, OccultationPack3 The distance between disk centers with its derivatives, phase of minimum for eccentric orbits and the light curve. Please, refer to paper 3, if you use this code Download C implementation of algorithm, DemoPack1. Console program to calculate residual Chi Square minimized by LD coefficient (fit by LD only). The example data is Brown's curve HD209458. Please, refer to paper 3, if you use this code Download C implementation of algorithm, DemoFit. Console programm to fit by LD coefficient, radii, inclination. The example data is Brown's curve HD209458. Please, refer to paper 3, if you use this code. Download C implementation of algorithm, Levenberg-Marquardt algorithm. Console programm to fit by LD coefficient, radii, inclination, eccentricity, periastron longtitude, using Levenberg-Marquardt algorithm. The current version can also fit by cartesian component of eccentricity (e cos w and e sin w). Version from 04.03.2025. Download C implementation of algorithm, DemoFit light. Console programm to fit by LD coefficient, radii, inclination at given full brightness. The example data are curves Kepler5b, Kepler6b, Kepler7b, Kepler8b, . Please, refer to paper 3, if you use this code. Download C implementation of Kepler equation solving (C files). C function that calculates the Kepler equation solution by mean anomaly (first parameter) and eccentricity (second parameter). 64, 80 and 128 bit implementation. Test of Danby algorithm.
Bibliography3. Abubekerov M.K., Gostev N.Yu."High-precision calculation of the light curve and its interpretation" Astronomy & Astrophysics 2020, 633, A96. (paper 3) |