Investigations of the eclipsing binary system AR Lacertae have been reported earlier by author (cf. Srivastava, 1981; 1983s; 1983b; 1984; Goraya and Srivastava, 1984). AR Lac is a well known radio flaring sources. Some ...
The geometrical elements of the eclipsing binary system AR Lacertae have been obtained by Fourier analysis of the light changes in the frequently-domain which was developed by Kopal (1975 a, b, c, d, e) and compared with ...