Session 13. Atmospheres, Winds, Envelopes, Disks and Planetaries

Display, Monday, May 31, 1999, 9:20am-6:30pm, Southeast Exhibit Hall

13.01 HST/STIS observations of V471 Tauri: Probing the extended atmosphere of K2 dwarf star

J. Serena Kim, F. M. Walter (Dept. of Physics \& Astronomy, SUNY Stony Brook)

13.02 Photoacoustic Oscillations

L. Tao (Astronomy Department, Columbia University), O.M. Umurhan (Center for Turbulence Research, Stanford University)

13.03 Metallicity effects on the terminal velocities of A-type supergiant stellar winds.

K.A. Venn, M. Dieng (Macalester College), D.J. Lennon (ING-La Palma), R.P. Kudritzki (USM-MPIA)

13.04 Model Atmospheres of Hot Luminous Stars with Winds

J. P. Aufdenberg (Arizona State University), P. H. Hauschildt (University of Georgia), E. Baron (University of Oklahoma)

13.05 H\alpha Variability in the A-Type Hypergiant Star 6 Cassiopeiae

W.J. Fischer, N.D. Morrison (U. Toledo)

13.06 The Circumstellar Environment of VY CMa

N. Smith (Boston University), R. M. Humphreys (U. Minnesota), J. Krautter (Landessternwarte, Heidelberg), R. D. Gehrz, K. Davidson, T. J. Jones (U. Minnesota), S. Hubrig (Landessternwarte, Heidelberg)

13.07 B-type emission-line stars with compact dusty envelopes

A.S. Miroshnichenko (Pulkovo Observatory), P. Corporon (University of Montreal), T.A. Shejkina (Fesenkov Astrophysical Institute)

13.08 Analysis of Mixing-Length Theory in Speroidal Convective Envelopes

D. H. Porter, J. Micheal, P.R. Woodward (Univ. of Minnesota/Dept. of Astron.)

13.09 Ionization Structure and Mass-Loss for Rapidly-Rotating Near Main-Sequence B Stars

J.E. Bjorkman, B.P. Abbott (U Toledo)

13.10 A Simple Spectropolarimetric Temperature Diagnostic for Circumstellar Disks

K.S. Bjorkman, J.E. Bjorkman (U. Toledo), K. Wood (SAO)

13.11 ISO Spectroscopy of a Sample of Carbon-Rich Proto-Planetary Nebulae

B.J. Hrivnak (Valparaiso U.), K. Volk, S. Kwok (U. Calgary)

13.12 IRAS~06530-0213: A New Carbon-Rich, Low-Mass Proto-Planetary Nebula

B.E Reddy, B.J. Hrivnak (Valparaiso U.)