Analysis of Light Curve of OJ287

Authors: He J.¹; Xie G.Z.^{1, 2}

Source: Astrophysics and Space Science, Volume 254, Number 2, 1997 , pp. 211-221(11)

Publisher: Springer

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Abstract:

A Fourier series fitting of order 10 to the historical light curve of OJ287 (3648 data points) is presented with correlation coefficient sim 0.73. It is found that the Weierstrass function may be used to imitate the short time scale variability of OJ287. A fractal curve constructed by the function possesses the similar correlation coefficient to the light curve as the regression curve. We also calculate the capacity-dimension, information-dimension and correlation-dimension of the light curve. The calculations indicate that their values > 1.

Language: English

Document Type: Regular paper

Affiliations: 1: Yunnan Observatory, The Chinese Academy of Sciences, P. O. Box 110, Kunming 650011, P. R. China 2: CCAST World Laboratory, P. O. Box 8730, Beijing 100080, China E-mail: gzxie@public.km.yn.cn

Publication date: 1997-01-01