The Results of Photometric Analyses of Long-Term BV Observations of UX Arietis

Details The Results of Photometric Analyses of Long-Term BV Observations of UX Arietis The Results of Photometric Analyses of Long-Term BV Observations of UX Arietis

Sep 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010pobeo..90..131e&link_type=abstract

Publications of the Astronomical Observatory of Belgrade, vol. 90, pp. 131-135

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Scientific paper

Including the BV data obtained during 1991-1994 period at the Ankara University Observatory (AUG), a review of long-term light curves analyses of chromospherically active binary system, UX Ari, is presented. The spot distributions for UX Ari were investigated by using Wilson-Devinney (WD) code, and the results are summarized in this study. Large and cool spots located on the primary (K0 IV) component are mainly responsible for the light curve variations but the most convenient results of spot distributions in UX Ari are obtained by adding two other spots on the secondary (G5 V) component of the system. The comparison of achieved results with the previously published results showed that a good fit to the observational light curves could also be achieved without any flares and/or facular areas but with two other spots located on the secondary component of the system.

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