The periods of 44 Tauri - A least-squares determination

Details The periods of 44 Tauri - A least-squares determination The periods of 44 Tauri - A least-squares determination

Feb 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979pasp...91...53w&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 91, Feb.-Mar. 1979, p. 53-58.

Astronomy and Astrophysics

Astronomy

17

Cepheid Variables, Dwarf Stars, Least Squares Method, Light Curve, Periodic Variations, Curve Fitting, Data Reduction, Stellar Radiation

Scientific paper

A nonlinear least-squares method has been used to determine the component periods of the Delta Scuti star 44 Tau. The sum of two sine curves, with periods of 0.1449 and 0.1120 day, provides an excellent fit to several observed light curves. The ratio of these two periods, 0.774, is in excellent agreement with the ratio of first-overtone to fundamental radial period, as calculated recently by Stellingwerf (1979). There is some evidence that the amplitudes associated with the two periods are slightly variable.

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