Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...109..107w&link_type=abstract
Astronomy and Astrophysics, vol. 109, no. 1, May 1982, p. 107-116.
Astronomy and Astrophysics
Astrophysics
4
Eclipsing Binary Stars, Light Curve, Stellar Spectrophotometry, Ubv Spectra, Periodic Variations, Stellar Magnitude, Stellar Motions, Tables (Data)
Scientific paper
UBV observations of the W UMa variable AE Phe, obtained with the Bochum telescope at La Silla in 1978, are presented. Clear fluctuations were found within all sections of the light curve. Using sinusoidal terms for the time dependences of the fluctuations as well as the least squares method, a rather complete representation of the systematic variations in the different parts of the light curves should be given for all three colors. Two basic periods, one nearly 55 days and the other nearly 95 days, each clearly belonging to one component, were found to dominate the course of the fluctuations, which in different parts of the light curves show identical phases in the long periods and only differ in the size of the amplitudes. The two periods are interpreted to be the precessional periods of the rotational axes of the components.
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