UBV(RI)c photometry of active stars. VII. (Cutispoto 1998)

Details UBV(RI)c photometry of active stars. VII. (Cutispoto 1998) UBV(RI)c photometry of active stars. VII. (Cutispoto 1998)

Aug 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997ycat..41270207c&link_type=abstract

VizieR On-line Data Catalog: J/A+AS/127/207. Originally published in: 1998A&AS..127..207C

Physics

Stars: Variable, Photometry: Ubvri, Photometry: Cousins, Stars: Flare

Scientific paper

In the framework of an extensive program focusing on the global properties and evolution of active stars, high-precision UBV(RI)c photometry of 19 selected stars, collected at ESO over the 15-31 March 1991 interval is presented. Significant evolution of the light curves, period variations and evidence for long-term variability of the global degree of spottedness are found. Most of the spectral classification are discussed. A flare event was detected for the star HD 127535 = V841 Cen. These observations contribute to the establishment of a time-extended photometric database which can give important clues on topics such as the stability of spotted areas, differential rotation, solar-like cycles and the correlation between inhomogeneities at different atmospheric levels.
(4 data files).

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