Session 102. Binary Stars

Display, Saturday, January 9, 1999, 9:20am-4:00pm, Exhibit Hall 1

102.01 V907 Sco Eclipses Turn On and Off and On and Off

C.H.S. Lacy (U. Arkansas), B.E. Helt (Niels Bohr Inst.), L.P.R. Vaz (UFMG)

102.02 Cool Companions to Hot White Dwarfs

P.J. Green (SAO), B. Ali (U. Rochester)

102.03 Generalized Solution for Binary Star Ephemerides and Apsidal Motion

W. V. Van Hamme (Florida International University), R. E. Wilson (University of Florida)

102.04 Numerical Simulations of Dynamical Mass Transfer in Binaries

P. M. Motl, J. Frank, J. E. Tohline (Louisiana State University)

102.05 BE Cephei, A Mass Exchanging Solar-Type Near Contact Binary?

R. G. Samec, B. C. Parker, T. W. Savage, S. D. Anderson, N.W. Gothard (Dept. of Physics, Bob Jones University), D. R. Faulkner (University of South Carolina, Lancaster)

102.06 Eclipsing Binary Systems in the Magellanic Clouds: HV2226 and HV2241

F. P. Maloney, E. L. Fitzpatrick, E. F. Guinan, L. E. DeWarf (Villanova), D. H. Bradstreet (Eastern Coll.), I. Ribas (U. de Barcelona), A. Gimenez (LAEFF, Vilspa, Sp.)

102.07 VA351 - A Quadruple Hyad Containing a White Dwarf?

O. G. Franz, L. H. Wasserman (Lowell Obs.), G. F. Benedict, R. L. Duncombe, W. H. Jefferys, B. E. McArthur, P. J. Shelus (UTx), L. W. Fredrick (UVa), P. D. Hemenway (URI), Wm. F. van Altena (Yale), A. J. Bradley, A. L. Whipple (Allied-Signal Aerospace), E. P. Nelan (STScI)

102.08 The Low-mass Binaries Gl 791.2 and Gl 623 - Parallaxes and Mass Estimates from HST Fringe-tracking (POS mode) Interferometry

G. F. Benedict, B. J. McArthur (McDonald Obs., U. Texas), O. G. Franz, L. H. Wasserman (Lowell Obs.), T. J. Henry (Harvard-SAO), E. P. Nelan (STScI), W. H. Jefferys (U. Texas), R. L. Duncombe (Aerospace Eng., U. Texas), P. J. Shelus (McDonald Obs., U. Texas), P. D. Hemenway (U. Rhode Island), D. Story (Jackson \& Tull), A. L. Whipple, A. J. Bradley (Allied-Signal Aerospace), Wm. F. van Altena (Yale U.), L. W. Fredrick (U. Virginia)

102.09 CCD Photometry of MWC349A Separated from Its Companion

K. Billings (Columbia U. \& Maria Mitchell Obs.), R. Jorgenson (U. Puget Sound \& Maria Mitchell Obs.)

102.10 Non-dispersive X-ray Spectroscopy of Scorpius X-1

A.E. Hornschemeier, D. N. Burrows, G. P. Garmire (Penn. State U.)

102.11 The Common Envelope Phase for Pre-Cataclysmic Variables and Double Degenerate Stars

E. L. Sandquist, R. E. Taam (Northwestern U.), A. Burkert (MPIA - Heidelberg)

102.12 Lessons from Darwin: Breeding the Best-fit Binary Star

T.S. Metcalfe (University of Texas-Austin)

102.13 The Origin of SdB Stars and Related Metal-Rich Binaries

E.M. Green (Steward Obs., Univ. of Arizona), B.C. Chaboyer (Dartmouth College)

102.14 The Identity of the Secondary of Iota Orion

W. G. Bagnuolo, R. L. Riddle (Georgia State U.), D. J. Barry (Independent Researcher), D. R. Gies (Georgia State U.)

102.15 BeppoSAX Observations of AR Lacertae

I. Pagano (JILA, U. Colorado \& Catania Astrophys. Obs., Italy), M. Rodon\`o (Catania U. \& Catania Astrophys. Obs., Italy), F. M. Walter (New York State U., Stony Brook), G. Leto (CASA, U. Colorado \& Inst. of Radioastromony of CNR, Italy), S. Catalano (Catania Astrophys. Obs., Italy)