
Pulsation, Rotation and Mass Loss in Early-Type Stars : Proceedings of the 162nd Symposium of the International Astronomical Union Held in Antibes-Juan-Les-Pins, France, October 5-8, 1993
By: Luis A. Balona (Editor), Jean Michel Le Contel (Editor), Huib F. Henrichs (Editor)
Hardcover
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576 Pages
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| The SOC and LOC | |
| Preface | |
| List of Participants | |
| Observations of Pulsating OB Stars | p. 3 |
| Nonadiabatic observables in [beta] Cephei star models | p. 15 |
| Multiwavelength studies of [beta] Cephei stars | p. 17 |
| Nonlinear pulsational behaviour of BW Vulpeculae | p. 19 |
| Stability of the pulsation of 12 (DD) Lacertae | p. 21 |
| Period variations in the [beta] Cep star [alpha] Lup | p. 23 |
| Period variations in the [beta] Cep star [beta] Cru | p. 25 |
| High-resolution spectroscopy of [beta] Cephei stars | p. 27 |
| A search for [beta] Cephei stars in LMC and SMC | p. 29 |
| Photometric variability in early B stars 1. 53 Arietis | p. 31 |
| Multiperiodicity in light variations of 53 Persei: results from optical photometry in 1990 October - 1991 January | p. 33 |
| NRP mode typing for 53 Persei: results from Voyager photometry | p. 37 |
| Photometric and spectroscopic observations of the 53 Per stars: [sigma] Cas | p. 39 |
| HD 37151: a new "slowly pulsating B star" | p. 41 |
| The peculiar binary system HR 8891 (ET And) | p. 43 |
| Spectroscopical analysis of [delta] Scuti stars | p. 47 |
| STACC | p. 49 |
| TAMS companions of classical cepheids | p. 51 |
| Pulsation of Wolf-Rayet stars: WR40 | p. 53 |
| The New Opacities and B-Star Pulsations | p. 55 |
| Convective zones in the envelope of massive stars | p. 67 |
| g-Mode instability in the main sequence B-type stars | p. 69 |
| OP versus OPAL opacities: consequences for B star oscillations | p. 70 |
| The stability of massive stars | p. 73 |
| Mode Identification in Pulsating Stars | p. 75 |
| Amplitude variations in rotationally split multiplets | p. 87 |
| Line Profile Variations in Be Stars | p. 89 |
| Pulsations of Be stars: time series analysis of He I [lambda]4921 | p. 100 |
| Activity of the Be star 28 Cygni: 1985 - 1991 | p. 102 |
| Seismology of southern Be stars | p. 104 |
| Rapid spectroscopic and photometric variability in the Be star [alpha] Eridani | p. 106 |
| A survey of line profile variations in non-emission line B0-B5 III-V stars | p. 108 |
| MUSICOS 92 observations of [theta][superscript 2] Tauri | p. 110 |
| Time-series analysis of the O4 supergiant [sigma] Puppis | p. 112 |
| Photospheric and circumstellar variability of the rapidly rotating O star HD 93521 | p. 114 |
| Pulsation in Rapidly Rotating Stars | p. 117 |
| Overstability of nonradial pulsations in rotating early type stars | p. 128 |
| The Evolution of Rotating 15 [actual symbol not reproducible] Stars | p. 131 |
| Rotationally induced turbulent diffusion in early B-type stars: theory and observations | p. 145 |
| Effects of rotation on the main sequence evolution of a [actual symbol not reproducible] star | p. 147 |
| The abundance anomalies in a rotationally evolved [actual symbol not reproducible] OBN star model | p. 149 |
| Main-sequence broadening, Be stars, and stellar rotation in h and [chi] Persei | p. 151 |
| Observations of Magnetic Fields in B Stars | p. 155 |
| Mass loss, magnetic field and chemical inhomogeneities in the He-weak star HD 21699 | p. 167 |
| The He-strong star HD 96446: oblique rotator or pulsating magnetic variable? | p. 169 |
| The circumstellar environment of [sigma] Orionis E | p. 171 |
| The Magnetic Fields of the A and B Stars | p. 173 |
| Fossil magnetic fields and rotation of early-type stars | p. 184 |
| ROSAT Observations of B and Be Stars | p. 189 |
| X-ray properties of early-type stars | p. 200 |
| Effects of X-rays on the ionization state of Be star winds | p. 202 |
| Infrared spectroscopy of Be/X-ray binaries | p. 204 |
| Multiwavelength observations of the Be-star/X-ray binary EXO2030+375 during outburst | p. 206 |
| EXOSAT observations of the Be/X-ray binaries 2S0114+65 and 4U2206+54 | p. 208 |
| Photometric and H[alpha] observations of LS [actual symbol not reproducible] | p. 211 |
| Be star disk structure as implied by X-ray observations | p. 213 |
| Recent Results from Ultraviolet and Optical Spectropolarimetry of Hot Stars | p. 219 |
| Spectropolarimetric determination of circumstellar disc inclinations | p. 230 |
| The polarization of H[beta] in [gamma] Cas | p. 232 |
| Long-term spectroscopic and polarimetric variations of the Be star [kappa] Dra | p. 234 |
| Common properties of some Be stars optical polarization parameters | p. 236 |
| Photospheric Activity in Selected Be Stars: [lambda] Eri and [gamma] Cas | p. 241 |
| Rapid variability of H[alpha] emission line in Be stars | p. 254 |
| Emission-like feature due to a latitudinal differential rotation | p. 257 |
| Study of the HeI [lambda]4471 line-profile of Be stars | p. 259 |
| The HeI [lambda]4471 line behaviour of 31 Peg | p. 261 |
| The FeII [lambda]5317 line profile of nine Be stars | p. 263 |
| FeII line widths as tracers for the geometry of Be stars envelopes | p. 265 |
| FeII, FeIII and MgII spectra of Be stars | p. 267 |
| Spectroscopy of Be stars in NGC 330 | p. 269 |
| Be stars in young LMC clusters | p. 271 |
| Puzzling problems of He I line formation in early B stars | p. 273 |
| Be stars in the ultraviolet spectral classification system | p. 275 |
| UV spectral classification and stellar winds in a sample of Be and standard stars | p. 277 |
| Analysis of IUE spectrograms for Be stars | p. 280 |
| First results of an international multisite multitechnique campaign on o And | p. 282 |
| Results from six multiwavelength campaigns to study short-term FUV flux variability and phase-dependent mass loss in Be stars | p. 284 |
| Periodic Variations and Mass Loss in Be Stars | p. 287 |
| Photometric studies of Be star variability | p. 299 |
| Photometric characteristics of the Be stars: almost twenty years of UBV monitoring at the Hvar observatory | p. 301 |
| Photometry of early type stars in open clusters (NGC 1444, NGC 1662, NGC 2129, NGC 2169 and NGC 7209) | p. 303 |
| Rapid multicolour variations of selected southern Be stars | p. 305 |
| Simultaneous photometry and spectroscopy of the rapid variability of the Be star [eta] Cen | p. 307 |
| Simultaneous uvby[beta] photometry and H[alpha] spectroscopy of Be stars in open clusters | p. 309 |
| Periodic Variability of Be Stars: Nonradial Pulsation or Rotational Modulation? | p. 311 |
| Line-profile variable [epsilon] Per: spectroscopic binary and (?) mild Be star | p. 325 |
| An improved model of the B0.5e + Be binary system [phi] Per | p. 327 |
| IIdBe stars: hydrogen-deficient supergiants with emission lines | p. 329 |
| Spectroscopic analyses of HdBe stars | p. 331 |
| Detection of calcium abundance stratification in Ap stars | p. 333 |
| Stark widths of astrophysically important four- and five-times charged ion lines | p. 335 |
| Stark broadening of stellar Pt II lines | p. 337 |
| Variability in the Circumstellar Envelope of Be Stars | p. 341 |
| Physics of the phase changes of Be stars | p. 351 |
| Difference between Be stars and shell stars from H[alpha] emission | p. 354 |
| The number of Be stars compared with the number of B stars, taking into account the specific physical characteristics of Be stars | p. 356 |
| Shell profiles in Be star spectra | p. 358 |
| Phase changes in Be stars: The Be-shell and Be phases of Pleione | p. 360 |
| The photosphere of Pleione | p. 362 |
| Short-term spectroscopic variations of the southern Be star 48 Lib | p. 364 |
| Structure of the envelope of 48 Lib | p. 366 |
| Growth of the line-profile variation region during Be episodes | p. 368 |
| 70 Years of observations of 4 Her: changes through three shell episodes | p. 370 |
| Activity in the circumstellar envelope of the Be/shell star [zeta] Tau | p. 372 |
| Period dependent variations of the shell spectrum of V923 AQL | p. 374 |
| Long-term periodic variability in UV absorption lines of the Be star [gamma] Cas: on the relation with V/R variations in the H[beta] line | p. 376 |
| On the formation of Balmer emission lines in the model envelopes of Be stars | p. 378 |
| Some observational appearances of m = 1 density waves in Be star disks | p. 380 |
| Global disk oscillations: theoretical line profiles | p. 382 |
| Global oscillations in Be star envelopes: observational evidence | p. 384 |
| Rapid line profile variability of H[alpha] in two A0e Herbig stars of the P-Cyg-subgroup and a model for their circumstellar envelope | p. 386 |
| Profile variability of H[alpha] in the B3e Herbig star HD 200775 as indication of matter infall and inhomogeneous stellar wind | p. 389 |
| Dust and gas in shells around Herbig Ae/Be stars | p. 392 |
| Circumstellar environment of the B[e] star MWC 349 (V1478 Cyg) | p. 394 |
| MWC 314 - A new galactic B[e] supergiant | p. 396 |
| The Structure of the Circumstellar Material in Be Stars | p. 399 |
| Infrared spectroscopy of Be stars | p. 412 |
| Infrared emission lines of Mg II in B stars | p. 414 |
| Identifying near-IR variable Be stars | p. 416 |
| Structure of the circumstellar envelope of [psi] Persei at large radii | p. 418 |
| A hidden class of Be stars? | p. 420 |
| Energy distribution of Be stars | p. 422 |
| Continuous spectra of circumstellar envelopes of Be stars | p. 425 |
| High-precision continuum rectification. Towards an abundance analysis of Be and Bn stars | p. 427 |
| IR-radio spectral indices for Be stars | p. 429 |
| Problems of modelization of circumstellar matter out of equilibrium | p. 431 |
| Optical Resolution of Be Star Envelopes | p. 435 |
| Candidates of Be stars for GI2T interferometry | p. 448 |
| Seven Be stars resolved by optical long-baseline interferometry | p. 450 |
| The Wind-Compressed Disk Model | p. 455 |
| Two-dimensional hydrodynamical simulations of wind-compressed disks around rapidly rotating B-stars | p. 469 |
| Latitude dependent radiative wind model for Be stars: line profiles and intensity maps | p. 470 |
| Continuum flux and polarization in B[e] supergiants | p. 473 |
| The Basic Physics of Hot-Star Winds | p. 475 |
| Radiatively driven winds of OB stars | p. 487 |
| Radiation-accelerated ions in hot star winds: heating and "turbulence" effects | p. 490 |
| A simple model for a relatively driven metallic wind in A0 stars | p. 492 |
| Smooth winds and clumped winds for early-type stars | p. 494 |
| Line profiles in expanding atmospheres | p. 496 |
| Non-thermal velocities in the stellar wind of early-type stars | p. 498 |
| Understanding the P Cygni profile | p. 500 |
| Improved modelling for spatially resolved spectroscopy of a P Cyg envelope | p. 502 |
| The hard life of clumps in atmospheres of early-type stars | p. 505 |
| Time-Dependent Phenomena in OB Star Winds | p. 507 |
| Wind Variability in O-Type Stars | p. 517 |
| International multiwavelength campaigns on short-term variability of OB stars: optical polarimetry | p. 530 |
| High resolution spectroscopy at the ESO 50 cm telescope: spectroscopic monitoring of luminous hot stars | p. 532 |
| The stellar wind of [actual symbol not reproducible] Ori and its variability | p. 534 |
| Observed variety of timescales in variability of P Cygni | p. 536 |
| Stellar winds in A-type supergiants | p. 538 |
| Author Index | p. 541 |
| Objects Index | p. 544 |
| Subject Index | p. 548 |
| Table of Contents provided by Blackwell. All Rights Reserved. |
ISBN: 9780792330448
ISBN-10: 0792330447
Series: International Astronomical Union Symposia (Closed)
Format: Hardcover
Language: English
Number of Pages: 576
Audience: Professional and Scholarly
Publisher: Springer Nature B.V.
Country of Publication: GB
Dimensions (cm): 23.0 x 17.15 x 3.18
Weight (kg): 0.98
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