Preliminary Analysis of V and Hp Light Curves of 26 Carbon Miras

Mikulášek, Zdeněk; Gráf, Tomáš

doi:10.1007/1-4020-3875-5_19

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“…We recommend to transform times of observations into 0, 1 and to use the following set of largely trigonometric functions: {1; x; sin(π x); sin(2 π x); sin(3 π x); ...}, orthonormalized by the Gram-Schmidt procedure. It allows to examine even such extrema which are close to borders of the interval covered by observations (Mikulášek and Gráf, 2005).…”

Section: Methods Imentioning

confidence: 99%

On Methods for the Light Curves Extrema Determination

Mikulášek

Wolf

Zejda

et al. 2006

Astrophys Space Sci

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We present two methods for the determination of moments of extrema and their errors appropriate for the analysis of light variations of variable objects. The method I is suitable for determination of times of extrema of nonperiodical variables or objects, whose light curves vary. The method II is apt for O-C analyses of objects whose light curves are more or less repeating. Both methods are displayed on the analysis of BL Cam light variations and compared with the Kwee-van Woerden method.

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Section: Methods Imentioning

confidence: 99%