Other
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009sass...28..137h&link_type=abstract
The Society for Astronomical Sciences 28th Annual Symposium on Telescope Science. Held May 19-21, 2009 at Big Bear Lake, CA. Pub
Other
Scientific paper
New V, B, Ic, and R band photometry is obtained for V480 Lyr, V575 Lyr and GSC 2118-0402. These new observations, when combined with other published observational data, allowed the determination of multiple period values for each star. From its multi-period behavior and from an examination of other intrinsic parameters, V480 Lyr was determined to be that of an RV Tauri type star, which differs from earlier classifications of the star. The new observational data on V575 Lyr confirmed two earlier observed periods of this variable star and identified an additional third period of pulsation. Additionally the precession of the primary period was identified, and new B-V, V-I, and V-R color indices were obtained. New observations of the V575 Lyr field star: GSC 2118-0402, are also examined and analyzed. These observations identified the range of magnitude variation and pulsation periods, which allowed the star to be tentatively classified as a Delta Scuti variable.
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