ANALYSIS OF LIGHT-CURVE OF OJ287

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