Mass Loss and Evolution of O-Type Stars

Front Matter....Pages i-xix
Front Matter....Pages 1-1
The O Stars: Optical Review....Pages 3-22
H Alpha Variations in Two Mass Losing Stars....Pages 23-26
Short Term Variability of Line Strengths in Some of and WR Stars....Pages 27-30
Mass Loss Effects in the Spectrum of the O 6.5f Binary HD 153919....Pages 31-34
Mass Loss of B1Ia-O Supergiants and Evolutionary Consequences....Pages 35-38
On the Formation of Continuous Spectrum and Emission Line Profiles of P Cygni....Pages 39-42
Evidence for Non-Isotropic Mass Loss from Central Stars of Some Emission Nebulae....Pages 43-46
Mass Loss from Eta Carinae....Pages 47-50
Wolf-Rayet Stars in the Magellanic Clouds....Pages 51-54
Stellar Outflow: Relative Motions of Nebulae and of Stars....Pages 55-61
Front Matter....Pages 63-63
An Ultraviolet View of Stellar Winds....Pages 65-80
Modelling of UV Resonance Lines....Pages 81-92
O VI in Stellar Winds....Pages 93-94
C IV Resonance Line Profiles in O Stars....Pages 95-98
Winds in Hot, Subluminous Stars....Pages 99-102
Temperatures and Radii of O Stars....Pages 103-108
Analysis of UV Spectrophotometric Observations for O-type Stars....Pages 109-112
The Effective Temperatures of the O Stars....Pages 113-116
Front Matter....Pages 117-117
Radio and Infrared Emission by O-type and Related Stars....Pages 119-130
Near Infrared Spectra of O Stars and Related Objects....Pages 131-137
Front Matter....Pages 117-117
Infrared Observations of HDE 226868/CYG X-1 and HDE 245770/AO535+26....Pages 139-142
Infrared Excesses and Mass Loss: Implications for OB Stars in Carina and the LMC....Pages 143-146
Radio Emission from Flows....Pages 147-149
Radio Observations of Stellar Mass Loss....Pages 151-154
Radio Emission from Hot Stars at Two Centimeters....Pages 155-166
Front Matter....Pages 167-168
The Theory of Mass Loss from Hot Stars....Pages 169-173
Radiatively-Driven Winds: Model Improvements, Ionization Balance and the Infrared Spectrum....Pages 175-190
The Warm Wind Model....Pages 191-199
The Corona Plus Cool Wind Model for of Stars and OB Supergiants....Pages 201-213
The Thermodynamic Requirements on Atmospheric Models Imposed by Observed Stellar Nonthermal Mass-Fluxes and by Those Observed Nonthermal Features Enhanced in Xe Stars....Pages 215-234
Front Matter....Pages 235-235
The Domain of Radiatively Driven Mass Loss in the H-R Diagram....Pages 237-240
Stellar Corona Models....Pages 241-242
Synthetic Line Profiles in Early-Type Stellar Winds. I. H and He + ....Pages 243-247
The Hα Profile in Zeta Puppis....Pages 249-252
The Mass Loss Rate of γ Velorum....Pages 253-256
Wind Models for ζ Orionis....Pages 257-260
Binary Frequency among the O-type Stars....Pages 261-264
Contact Binaries of Spectral Type O....Pages 265-269
The O-type Spectroscopic Binary System HD 149404....Pages 271-275
The O-type Spectroscopic Binary System HD 93206....Pages 277-280
Front Matter....Pages 235-235
Mass Flow and Evolution of UW Canis Majoris....Pages 281-286
The Spectroscopic Binary γ 2 Velorum....Pages 287-289
The Binary Orbit of HD 92740....Pages 291-295
Results from the 1977 Coordinated Observing Campaign on HDE 226868 = Cygnus X-1....Pages 297-298
The Nature of the Runaways: Old Disk Population OB Stars?....Pages 299-299
The Distribution in Luminosity of OB Stars and Evolutionary Timescales....Pages 301-304
Hydrogen Deficiency and Mass Loss....Pages 305-310
Front Matter....Pages 311-311
Evolution of Single Stars with Mass Loss....Pages 313-336
Theoretical Evolution of Massive Stars with Mass Loss by Stellar Wind....Pages 337-348
Critical Rates of Stellar Mass Loss....Pages 349-356
Supergiant Mass Loss and the Cassiopeia a Progenitor....Pages 357-365
The Role of Rotation in the Evolution of Massive Stars Losing Mass....Pages 367-370
Evolution of a 30 M ⊙ Star with Mass Loss....Pages 371-374
Mass Conservation and Rapid Mass Loss on the Main Sequence....Pages 375-382
Front Matter....Pages 383-383
Evolution of Binary Stars with Mass Loss....Pages 385-399
Evolution of Massive Common Envelope Binaries and Mass Loss....Pages 401-407
The Influence of Stellar Wind Mass Loss on the Evolution of Massive Close Binaries.....Pages 409-414
Common Envelope Binaries and Mass Loss....Pages 415-420
HD 50896: An other WR Binary Star....Pages 421-427
Front Matter....Pages 429-429
Evolution of O Stars and the WR Connection....Pages 431-445
Front Matter....Pages 429-429
The Galactic WN7/WN8 Stars as Massive O Stars in Advanced Stages of Evolution....Pages 447-459
The Chemical Nature and Evolutionary Status of the Wolf-Rayet Stars....Pages 461-469
Of-WN Evolution: Spectral Types and Effective Temperatures....Pages 471-474
Observations of Velocity Fields in WN and Of Stars....Pages 475-478
BE 381: WN9 or 08 Iafpe?....Pages 479-482
Conservative and Non-Conservative Evolutionary Computations in Connection with Wolf-Rayet Binaries....Pages 483-490
Summary of the Conference — Projects for Future Research....Pages 491-498
Back Matter....Pages 499-501