Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21734209s&link_type=abstract
American Astronomical Society, AAS Meeting #217, #342.09; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
We present new BVRI light curves for the SX Phoenicis star XX Cygni. These data were secured at the Brigham Young University West Mountain Observatory during the summer of 2010 using both the 0.31-meter and 0.51-meter telescopes equipped with CCD detectors and filters matched to the BVRI Johnson-Cousins system. The light curves exhibit no anomalies or indications of a secondary pulsation mode. We have combined our observed times of maximum light with unpublished observations and archival data to examine the nature of reported period variations.
We thank the College of Physical and Mathematical Sciences for continued support of mentored undergraduate research projects. We also acknowledge continued support from the Brigham Young University Department of Physics and Astronomy for operational funding and research support at the West Mountain Observatory.
Bugno Jessica L.
Joner Lisa A.
Joner Michael D.
Spencer Michelle
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