BV photometry of UX Ari in 1987-2002 (Aarum Ulvas+, 2003)

Details BV photometry of UX Ari in 1987-2002 (Aarum Ulvas+, 2003) BV photometry of UX Ari in 1987-2002 (Aarum Ulvas+, 2003)

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ycat..34021033a&link_type=abstract

VizieR On-line Data Catalog: J/A+A/402/1033. Originally published in: 2003A&A...402.1033A

Computer Science

Binaries: Spectroscopic, Photometry: Ubv, Stars: Late-Type, Stars: Variable

Scientific paper

We present 14.3 years of previously unpublished photometric observations of UX Ari. The observations were obtained between 1987.9 and 2002.2 using the T3 0.4-metre Automatic Photoelectric Telescope at Fairborn Observatory and consist of 1228 B band and 1213 V band measurements.
The comparison star was 62 Ari and the check star was 59 Ari. We have analyzed the new data together with previously published photometric observations. The V magnitude shows variations with dominant periods of about 12 and 25 years, where the longest period seems to correspond to an activity cycle. The previously reported anticorrelation between the B V colour and V magnitude variations is confirmed.
(2 data files).

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