The atmospheres of early type stars : proceedings of a workshop, held at the University of Kiel, Germany, 18-20 September 1991

Galactic B-type Stars....Pages 1-10
Non-LTE analyses of B stars....Pages 11-16
Galactic B-type supergiants....Pages 17-17
On the determination of effective temperature and surface gravity using Strömgren uvbyß photometry....Pages 18-20
The mass and helium discrepancy in massive young stars....Pages 21-23
A comparison between the orbital masses of early type binary components and masses predicted by stellar evolution....Pages 24-26
B-type stars in young clusters....Pages 27-29
Chemical abundances in early B-type stars....Pages 30-32
The determination of accurate cosmic abundances from B-type stellar spectra....Pages 33-36
The origin of distant B-type stars in the galactic halo....Pages 37-40
Galactic abundance gradients from ob-type stars in young clusters and associations....Pages 41-44
Ionizing radiation from early-type stars....Pages 45-47
Abundance patterns in a stars: Carbon and silicon....Pages 48-52
Quantitative analysis of A-type supergiants....Pages 53-53
Abundances in rapidly rotating a stars....Pages 54-56
Statistical equilibrium of Al I/II in a stars and the abundance of aluminium in Vega....Pages 57-59
Analyses of B-type stars in the Magellanic Clouds....Pages 61-76
The chemical composition of main sequence stars in the Magellanic Clouds....Pages 77-80
GHRS observations of O Stars in other galaxies....Pages 81-83
The winds of hot stars in M31 and M33....Pages 84-84
Wolf-Rayet stars....Pages 85-100
Spectrophotometry of Wolf-Rayet stars....Pages 101-103
Near-Infrared Spectroscopy of Galactic Wolf-Rayet Stars....Pages 104-104
Luminous Blue Variables....Pages 105-120
Observed evolutionary changes in the visual magnitude of the luminous blue variable P Cygni....Pages 121-121
Forbidden lines of [Fe II] and [N II] in P Cygni\'s envelope....Pages 122-124
Spectroscopic observational data on P Cygni and comparison with the model of the bistable wind....Pages 125-127
The spectroscopy of unusual high luminosity stars: HD 168607 and 6 Cas....Pages 128-130
Discrete absorption components in O-type stars....Pages 131-135
Analysis of circumstellar spectra of s dor....Pages 136-138
Comoving frame calculations for λ-cephei....Pages 139-141
Nonradial pulsations of O- and B-stars....Pages 143-158
Analysis of line profile variations in pulsating B stars....Pages 159-162
Mode identification of pulsating stars from line profile variations with the moment method....Pages 163-166
Mode identification in beta Cephei stars from UV observations....Pages 167-169
Magnetic fields in hot stars....Pages 170-185
The structure of Ap star magnetic fields....Pages 186-188
Diffusion, mass loss and accretion in stars....Pages 189-202
Photospheric abundances in late-A and Am-Fm stars....Pages 203-205
Effective temperature and models for early a stars: Application to 78Vir (A2P)....Pages 206-208
Silicon abundances in normal and mercury-manganese type late-B stars....Pages 209-209
Radiative accelerations on Ga and Al ions in stable atmospheres of CP stars....Pages 210-212
Si II autoionization lines in stratified atmosphere of Bp star....Pages 213-215
He - variables....Pages 216-220
Variable Hα emission in the helium-strong star δ orionis C....Pages 221-223
Lambda Bootis stars....Pages 224-227
A spectroscopic abundance analysis of Lambda Bootis stars first results in LTE....Pages 228-230
Hot subluminous stars....Pages 231-246
The spectra of blue horizontal branch stars....Pages 247-250
Weight watching in M 15....Pages 251-253
Looking for gaps....Pages 254-256
More on the progenitors of white dwarfs....Pages 257-260
Non-LTE analysis of the Palomar Green subdwarf O stars....Pages 261-263
A statistical complete sample of hot subdwarfs....Pages 264-266
NLTE analysis of a SDO binary: HD128220....Pages 267-269
NLTE analysis of helium rich subdwarf O stars....Pages 270-272
Analysis of PG 1159 stars....Pages 273-287
NLTE analysis of the hydrogen-deficient central star of the planetary nebula Abell 78....Pages 288-290
Optical observations of the ultrahigh-excitation pre-white dwarf KPD 0005+5106....Pages 291-292
The atmospheres of extreme helium stars....Pages 293-297
Mass loss from υ Sgr and other helium stars....Pages 298-300
Blue post-asymptotic giant branch stars at high galactic latitude....Pages 301-304
Old planetary nuclei and their evolutionary connections....Pages 305-309
Analysis of central stars of old planetary nebulae: Problems with the Balmer lines....Pages 310-313
Hot white dwarfs....Pages 314-328
ROSAT observations of white dwarfs....Pages 329-333
Carbon enrichment in the outer layers of hot helium-rich high gravity stars....Pages 334-336
Prospective EUVE observations of hot white dwarfs....Pages 337-339
Spectra of interacting binary white dwarf stars....Pages 340-342
The opacity project — A review....Pages 343-358
The Lyman α line wing and application for synthetic spectra of DA white dwarfs....Pages 359-361
Ion-atom complexes and the absorption of radiation in stellar plasma....Pages 362-364
Ion-atom complexes and the recombination in stellar plasma....Pages 365-367
Stark broadening parameters for spectral lines of multicharged ions in stellar atmospheres: C IV, N V, O VI lines and regularities within an isoelectronic sequence....Pages 368-370
On Stark line shifts in spectra of very hot stars....Pages 371-373
Accelerated Lambda Iteration....Pages 375-392
Instabilities in hot-star winds: Basic physics and recent developments....Pages 393-408
Radiation-driven wind theory: Not (yet?) working....Pages 409-413
Radiation-driven wind theory: The influence of turbulence....Pages 414-416
Application of the etla approach in the comoving frame to the study of winds in hot stars....Pages 417-419
Interactive LTE spectrum synthesis....Pages 420-424
Calculations of line positions in the presence of magnetic and electric fields in white dwarf spectra....Pages 425-427
Treatment Of strong magnetic fields in very hot stellar atmospheres....Pages 428-430
Blends, frequency grids and the Scharmer scheme....Pages 431-434
Multilevel non-LTE radiative transfer using exact complete and diagonal operators....Pages 435-435
Iron line blanketing in NLTE model atmospheres for O stars: First results....Pages 436-439
Calculations of non-LTE radiative transfer in extended outflowing atmospheres using the Sobolev approximation for line transfer....Pages 440-444
3d radiative line-transfer for disk-shaped be star envelopes....Pages 445-447