Session 46. Binary and Variable Stars

Display, Wednesday, June 7, 2000, 10:00am-7:00pm, Empire Hall South

46.01 Sixty-six Year Orbital Period Study and UBV Light Curve Modeling of the W UMa Binary, TY Ursae Majoris

R.G. Samec, M.L. Stoddard (Bob Jones University), D.R. Faulkner (University of South Carolina-Lancaster)

46.02 NGC 3201 - Deep Photometry CMD, Differential Reddening Map, and Eclipsing Binary Star Candidates

K. von Braun, M. Mateo (Univ. of Michigan)

46.03 Eclipsing Binaries in 47 Tuc: Bonus of an HST Planetary Search

E.F. Milone, C.R. Stagg, M.D. Williams (U. Calgary), T. M. Brown (NCAR), D. Charbonneau (NCAR,CfA), R.L. Gilliland, M.D. Albrow (STScI), A.S. Burrows (UA), W.D. Cochran, N. Baliber (U Texas), P.D. Edmonds (SAO), S. Frandsen, H. Bruntt (U. Aarhus), P. Guhathakurta, P. Choi, D.N.C. Lin, S.S. Vogt, J.H. Howell (UCSC), G.W. Marcy (UCB), M. Mayor, D. Naef (Obs. Geneve), A. Sarajedini (Wesleyan U.), S. Sigurdsson (PSU), D.A. VandenBerg (U. Victoria)

46.04 Age Difference between the Populations of Binary and Single F Stars

A. Suchkov (STScI)

46.05 Ground-Based Radial Velocity Measurements of the Secondary Stars in Binary-Cepheid Systems

Michael D. Albrow (STScI, University of Canterbury)

46.06 Direct Measurement of Polaris' Diameter and its Position in the Cepheid Period-Radius Plane

T. Nordgren (USNO-NPOI)

46.07 The Sun in Time: Starspots and Luminosity Variations of the Solar-type Stars of Different Ages

J.J. Bochanski, J.M. DePasquale, L.E. DeWarf, P.V. DiTuro, E.F. Guinan, G.P. McCook (Villanova University), M. Guedel (ETHZ), J. Hargis (Eastern College), I. Ribas (U. de Barcelona)

46.08 The FASTT 8" Survey: the Next Thousand Variables

A. A. Henden (USRA/USNO), R. C. Stone (USNO)