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Produktbild: Wolf-Rayet Stars: Observations, Physics, Evolution
Band 99

Wolf-Rayet Stars: Observations, Physics, Evolution

Aus der Reihe International Astronomical Union Symposia

163,99 €

inkl. gesetzl. MwSt., Versandkostenfrei

Lieferung nach Hause

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

31.07.1982

Abbildungen

8 schwarzweisse Abbildungen

Herausgeber

C. de Loore + weitere

Verlag

Springer Netherland

Seitenzahl

636

Maße (L/B/H)

23,4/15,6/3,6 cm

Gewicht

1161 g

Auflage

1982 edition

Sprache

Englisch

ISBN

978-90-277-1469-5

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

31.07.1982

Abbildungen

8 schwarzweisse Abbildungen

Herausgeber

Verlag

Springer Netherland

Seitenzahl

636

Maße (L/B/H)

23,4/15,6/3,6 cm

Gewicht

1161 g

Auflage

1982 edition

Sprache

Englisch

ISBN

978-90-277-1469-5

Herstelleradresse

Libri GmbH
Europaallee 1
36244 Bad Hersfeld
DE

Email: gpsr@libri.de

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  • Produktbild: Wolf-Rayet Stars: Observations, Physics, Evolution
  • Session 1 — The Wolf-Rayet Phenomenon.- Wolf-Rayet phenomena (Invited lecture).- The effective temperatures of early WR stars.- The galactic distribution of WR stars.- Line strengths in WN stars.- Hot mantles, moderate photospheres for WR stars.- Corrections for hydrostatic atmospheric models: radii and effective temperatures of WR stars..- Preliminary results of a new study of the intrinsic properties of WR stars.- Radio observations of HD 193793.- Near-infrared photometry of southern galactic WR stars..- Infrared (1.4–4.1?m) spectra of WR stars.- The infrared recombination-line spectra of WR stars.- Session 2 — The Chemistry of the Wolf-Rayet Stars.- The chemical composition of the WR stars (Invited lecture).- Chemical composition of WR stars: Abundant evidence for anomalies.- H/He ratios for WN stars in the LMC and the Galaxy.- The C/N ratio in WN and WC stars.- On the chemical abundances, evolutionary stage and bolometric magnitude of WR stars.- Absolute spectrophotometry of WR stars: are the colors the same?.- An explanation of the radio flux mystery of HD 192163 and empirical models for WN stars.- Carbon abundance in WC stars.- Synthetic spectra for WN stars.- Carbon abundance in the WC 11 star CPD -56°8032.- Session 3 — Mass Loss from WR Stars: Observations & Theory.- Observations of mass loss from OB and WR stars (Invited lecture).- Theories for the winds from WR stars (Invited lecture).- The theory of radiation driven stellar winds and the WR phenomenon (Invited lecture).- The influence of the ratio of total to selective extinction on the determination of the mass loss rate of WR stars from IR excess measurements.- On the properties of the WR stars and their mass loss.- A hot corona model for O-stars and WR stars..- Radio continuum measurements of mass loss from WR stars.- Radio emission from WR stars.- Infrared spectroscopy of WN stars.- The near-IR properties of selected WN stars in the Large Magellanic Cloud.- Near IR observations of galactic WN stars.- Line formation in winds with enhanced equatorial mass loss rates and its application to the WR star HD 50896.- Session 4 — Observations of Wolf-Rayet Binaries.- WR stars with massive companions (Invited lecture).- WR stars with compact companions (Invited lecture).- The iron curtain of WC9 stars.- A spectroscopic search for duplicity among a complete sample of northern galactic WR stars.- Is HD 164270 a long-period eclipsing binary?.- A spectral study of HD 50896.- Observations of new WR binaries.- The velocity field of S 308. the ring nebula around the WN5 star HD 50896.- Spectral variations of Theta Muscae (WC6+09.5I) in the ultraviolet.- The WR eclipsing binary HD 5980 in the SMC.- Session 5 — Evolutionary Status of Wolf-Rayet Stars.- The evolution of massive stars: the production of “single” WR stars (Invited lecture).- The evolution of massive stars—the production of binary WR stars (Invited lecture).- Gradients in supergiant and WR stars across the galactic plane.- On the expected frequency of WR + compact star systems.- Properties of the scenario for the formation of WR stars as post-red supergiants.- Origin and evolution of Wolf-Rayet stars.- The massive eclipsing binary RY Scuti.- The WO Wolf-Rayet stars.- The ON stars: a wider spectroscopic definition.- On the structure and evolution of the OB-companions in Wolf-Rayet binaries.- The occurrence of different Wolf-Rayet phases in massive close binaries.- The various scenarios leading to WR stars: their relative importance and the role of mixing.- Session 6 — Low Mass Wolf-Rayet Stars Ring Nebulae.- Low mass Wolf-Rayet stars: theory.- Subluminous Wolf-Rayet stars: observations.- The peculiar binary system HD 45166 (Sd0+B8v?).- The UV spectrum of the central star of NGC 40.- A reclassification of WC and “0 VI” central stars of planetary nebulae and comparison with population I WC stars..- A new search for nebulae surrounding Wolf-Rayet stars.- Ring nebulae associated with Wolf-Rayet stars.- Ring nebulae around WC6 stars: NGC 6357 around HD 157504.- Kinematics of the ring-shaped nebula N206 in the LMC.- WR stars with ring nebulae.- IUE observations of the WN-C star HD 62910.- Session 7 — Wolf-Rayet Stars in External Galaxies.- Observations and the Wolf-Rayet evolutionary scenario (Invited lecture).- Wolf-Rayet stars in the Magellanic Clouds: spectroscopic binaries and masses (Invited lecture).- Absolute magnitudes of Wolf-Rayet stars: the WN3 and WN4 sub-classes in the LMC.- Near infrared observations of Magellanic WN stars.- The first detection of Wolf-Rayet stars in M31.- Wolf-Rayet stars in open clusters and associations.- The Wolf-Rayet stars in 30 Doradus.- Spectra of the Wolf-Rayet stars in 30 Doradus.- NGC 604: a giant H II region dominated by many WR stars.- Wolf-Rayet stars associated to giant regions of star formation.- The central object of the 30 Doradus nebula, a supermassive star.- Session 8 — X-Ray Data — Miscellaneous Topics — General Discussion.- Wolf-Rayet stars in emission-line galaxies.- Comments on the significance of the positions of population I Wolf-Rayet stars in the HR diagram.- Time-dependent X-ray observations of Wolf-Rayet binaries with O-type and with suspected compact companions.- Lines profile variations and binarity in Wolf-Rayet stars.- X-rays from Wolf-Rayet stars observed by the Einstein observatory.- Summary of symposium.- Open discussion.