Statistically optimal modeling of Flat eclipses and Exoplanet transitions. The “Wall-Supported polynomial” (WSP) algoritms
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2017
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Одеський національний університет імені І. І. Мечникова
Анотація
The methods for determination of the
characteristics of the extrema are discussed with an application
to irregularly spaced data, which are characteristic
for photometrical observations of variable stars. We introduce
new special functions, which were named as the
“Wall-Supported Polynomial” (WSP) of different orders.
It is a parabola (WSP), constant line (WSL) or an “asymptotic”
parabola (WSAP) with “walls” corresponding to
more inclined descending and ascending branches of the
light curve. As the interval is split generally into 3 parts,
the approximations may be classified as a “nonpolynomial
splines”.
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variable stars, eclipsing binary, minima timings, O-C analysis, TYC 3692-624-1 = Gaia DR1 505352827074254080 = GSC 03692-00624
Бібліографічний опис
Odessa Astronomical publications = Одесские астрономические публикации = Одеські астрономічні публікації