AAS 203rd Meeting, January 2004
Session 12 Eclipsing Binary Stars
Poster, Monday, January 5, 2004, 9:20am-6:30pm, Grand Hall

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[12.04] Orbital Solutions and Absolute Elements of the Eclipsing Binary AR Mon

R.M. Williamon (Emory University), J.R. Sowell (Georgia Tech), W.V. Van Hamme (Florida International University)

Differential UBV photoelectric photometry has been obtained for the binary AR Mon during four consecutive seasons. This system is one of only a few that consists of two late-type evolved stars. The period is 21.2 days. The Wilson-Devinney program is used to simultaneously solve three, combined-data light curves with previously published radial velocities. Two solutions are presented -- a 98% lobe-filling solution and a 100% (semi-detached) solution. New absolute dimensions are calculated.

The author(s) of this abstract have provided an email address for comments about the abstract: rwilliamon@physics.emory.edu

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Bulletin of the American Astronomical Society, 35#5
© 2003. The American Astronomical Soceity.