Other
Scientific paper
May 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sass...24...45g&link_type=abstract
The Society for Astronomical Sciences 24th Annual Symposium on Telescope Science, held May 24-26, 2005. Published by Society for
Other
Scientific paper
V523 Cas is an "end of the line" W UMa binary; one of the most rapidly- rotating and hence magnetically active non-degenerate binaries that can exist. Determining the timescales of the resultant, rapidly changing photometric light-curve asymmetries is our primary science driver. We are also able, with considerable precision, to deter-mine small changes in rotational periods from one season to the next. Such period changes can be caused by mass loss, the transfer of mass from one star to the other, or the Applegate effect. Third bodies can also induce changes in eclipse epoch due to the light-travel-time effect resulting from the system's shifting barycenter. Jupiter shifts our own solar system's barycenter some five seconds peak-to-peak, and detecting a planet orbiting V523 Cas may be within our reach. We are also looking for planetary transits across the binary pair which, unlike those across single stars, are complex and quasi-periodic.
Doyle Linda
Genet Russell M.
Smith Thomas C.
Terrell Dirk
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