Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...117..149b&link_type=abstract
Astronomy and Astrophysics, vol. 117, no. 1, Jan. 1983, p. 149-155. Research supported by the Consiglio Nazionale delle Ricerch
Astronomy and Astrophysics
Astrophysics
38
Binary Stars, Electrophotometry, Light Curve, Stellar Flares, Stellar Rotation, Stellar Color, Stellar Spectrophotometry, Temporal Resolution, Titanium Oxides, Ubv Spectra
Scientific paper
Three years of photometry of V711 Tau (HR 1099), obtained as a result of a wide collaborative effort, are presented. Fourteen successive light curves clearly show the kind of variability that occurs on active stars: their photometric wave changes from sinusoidal to double-peaked, to almost flat, while migrates on the light curve. The wave migration is discussed in terms of present and past data and the behavior of θmin and of the system magnitude at light curve maximum and minimum is examined. In the framework of the spot model, the two minima per orbital cycle found during 1980-1981 observing season indicate the presence of two spotted areas on the stellar surface.
Bartolini Corrado
Blanco Cristina
Catalano Santo
Cerruti-Sola Monica
Eaton Joel A.
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