Session 25. Stars and Disks

Oral, Wednesday, January 12, 2000, 10:00-11:30am, Regency V

25.01 The Circumstellar Gas of \beta Pictoris: CO and \ion{C}{1}

A. Roberge, P.D. Feldman (JHU), A.M. Lagrange (Groupe d'Astrophysique de Grenoble), A. Vidal-Madjar, R. Ferlet (IAP), A. Jolly, J.L. Lemaire, F. Rostas (Observatoire de Paris-Meudon)

25.02 A Single Circumbinary Disk in the HD 98800 Quadruple System

D.W. Koerner (University of Pennsylvania), E.L.N. Jensen (Swarthmore College), K. Cruz, T.B. Guild (University of Pennsylvania), K. Gultekin (U Maryland)

25.03 Mid-infrared Imaging of a Disk around the Vega-Excess Star 49 Cet

T.B. Guild, D.W. Koerner (University of Pennsylvania), A.I. Sargent (California Institute of Technology)

25.04 Exo-zodiacal Dust in the HR 4796A System

Z. Wahhaj, D.W. Koerner (University of Pennsylvania), D.E. Backman (Franklin and Marshall College), M.W. Werner, E. Serabyn, M.E. Ressler (Jet Propulsion Laboratory)

25.05 Two-year Monitoring of MWC349 in Optical and Radio Domains

S. Hornstein (Virginia Tech & Maria Mitchell Observatory), L. Jisonna (U. Arizona & Maria Mitchell Observatory), R. Jorgenson (Maria Mitchell Observatory), E. Lu (Wesleyan U. & Maria Mitchell Observatory), M. Gordon (NRAO), V. Strelnitski (Maria Mitchell Observatory)

25.06D Ages of Vega-like stars

I. Song, J.-P. Caillault (University of Georgia), D. Barrado y Navascués (MPIfA), J. R. Stauffer (CfA)

25.07D Multi-wavelength Investigation of the Super-massive star \eta Carinae

Kazunori Ishibashi (NAS/NRC at LASP/GSFC)