Problems Stellar Atmospheres Envelopes by B Baschek (17 results)

Condition: Fair. 1975. No Edition Remarks. 375 pages. No dust jacket. This is an ex-Library book. Blue cloth boards with lettering. Ex-Library copy, with expected inserts and inscriptions. Clean pages with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Pencil markings to front free endpaper. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Lettering is bright and clear. Moderate scuffing to edges and corners. Visible wear marks to boards. …

hardcover. Condition: Good. No Dust Jacket. Hardcover. No jacket. Ex-library. Spine ends and leading corners are bumped and worn. Sticker residue on spine. One centimetre tear on spine foot. Library plate on front pastedown. Library stamps on page block, FEP, title page, page 99 and rear pastedown. Sticker on FEP. Pen marks on copyright page. Binding is intact, contents are clean and clear. AM. Used. …

Hard Cover. Condition: Fair. No Jacket. First Edition. From an academic library with the usual stamps and labels. This item is heavy and will attract postal surcharges. Boards rubbed. Extremities rather worn. A00006010.

Hardcover. Condition: Gut. XIX, 375 S. Ex-library with stamp and library-signature. GOOD condition, some traces of use. C-03912 3540070923 Sprache: Englisch Gewicht in Gramm: 1150.

Couverture rigide. Condition: bon. R260270113: 1975. In-8. Relié. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 375 pages. . . . Classification Dewey : 420-Langue anglaise. Anglo-saxon.

Condition: New. In English.

Taschenbuch. Condition: Neu. Druck auf Anfrage Neuware - Printed after ordering - The Energy Flux of the Sun A Critical Discussion of Standard Values for the Solar Irradiance.- 1. Introduction.- 2. High Altitude Experiments.- 3. Discussion of the Results.- 4. Results of Measurements in the Far Ultraviolet.- References.- Model Stellar Atmospheres and Heavy Element Abundances.- 1. Introduction.- 2. The Temperature Stratification.- 3. The Gas and Electron Pressures.- 4. The Energy Distribution in the Continuum.- 5. The Line Absorption.- 6. The UBV Colors.- 7. The Temperature Calibrations.- 8. The Bolometric Correction.- 9. Convection and Metal Abundances.- References.- Properties and Problems of Helium Stars.- 1. Introduction.- 2. General Properties.- 3. Spectrum.- 4. Atmospheric Structure.- 5. Individual Obj ects.- 6. Abundances.- 7. Evolution of Model Helium Stars and the (g, Teff) -Diagram.- 8. Empirical (g, Teff) -Diagram.- 9. Variability and Atmospheric Motions.- 10. Conclusion.- References.- Abundance Anomalies in Early-Type Stars.- 1. Introduction.- 2. Problems Related to the Determination of Abundance Anomalies.- 3. The Population I Peculiar B Stars.- 4. The CNO Stars.- 5. The Population II B Stars.- 6. On the Origin of the Ap Phenomenon.- References.- A-Type Horizontal-Branch Stars.- 1. Introduction.- 2. Characteristics of A-Type Atmospheres.- 3. Observational Quantities.- 4. Field Horizontal-Branch Stars.- 5. Horizontal-Branch Stars in Globular Clusters.- 6. Chemical Composition and Mass-Luminosity Relation.- References.- White Dwarfs: Composition, Mass Budget and Galactic Evolution.- 1. Introduction.- 2. The Atmospheres of White Dwarfs.- 3. Composition of Interiors and Envelopes. White-Dwarf Formation.- 4. Interpretation of Atmospheric Composition Differences DA vs. Non-DA Stars.- 5. White Dwarfs: Mass Budget and Galactic Evolution.- References.- Herbig-Haro Objects and T Tauri Nebulae.- 1. Introduction.- 2. Observation of Herbig-Haro Obj ects.- 3. Theory and Theoretical Deductions from the Observations.- 4. The T Tauri Emission Nebula.- References.- Circumstellar Envelopes and Mass Loss of Red Giant Stars.- 1. Introduction.- 2. Circumstellar Absorption Lines.- 3. Dust and Molecules in the Circumstellar Envelopes of Red Giants.- 4. The Dependence of Mass Loss on Basic Stellar Parameters.- 5. Consequences for Stellar Evolution.- References.- Cosmic Masers.- 1. Introduction.- 2. Observational Characteristics.- 3. Radiative Transfer.- 4. Polarization.- 5. Pumping Mechanisms.- 6. Models.- 7. Discussion and Conclusion.- References.- Radio Emission from Stellar and Circumstellar Atmospheres.- 1. Introduction.- 2. Stellar Chromospheres and Coronas.- 3. Solar-Type Activity on Stars.- 4. Flare Stars: UV Cet et al.- 5. Radio Emission from Close Binaries.- 6. Radio Emission from Objects with Circumstellar Envelopes.- 7. X-Ray Stars as Radio Emitters.- 8. The Remaining Stellar Observations.- References.- Line Formation in Turbulent Media.- 1. Introduction.- 2. General Structure of the Problem.- 3. Line Formation in Discontinuous Velocity Fields.- 4. Line Formation in Media with Continuous Velocity Fields.- 5. Solution of the Generalized Transfer Equation.- 6. An Approach to NLTE Line Formation in Turbulent Media.- 7. Concluding Remarks.- References.- Index of Astronomical Objects.…

Condition: New. pp. 400.

Paperback. Condition: Brand New. reprint edition. 400 pages. 9.60x6.70x0.90 inches. In Stock.

Condition: Sehr gut. Zustand: Sehr gut | Seiten: 400 | Sprache: Englisch | Produktart: Bücher | Keine Beschreibung verfügbar.

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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -InhaltsangabeThe Energy Flux of the Sun A Critical Discussion of Standard Values for the Solar Irradiance.- 1. Introduction.- 2. High Altitude Experiments.- 3. Discussion of the Results.- 4. Results of Measurements in the Far Ultraviolet.- References.- Model Stellar Atmospheres and Heavy Element Abundances.- 1. Introduction.- 2. The Temperature Stratification.- 3. The Gas and Electron Pressures.- 4. The Energy Distribution in the Continuum.- 4.1. The Balmer Discontinuity.- 4.2. The Ultraviolet Continuum.- 5. The Line Absorption.- 5.1. The Total Line Blanketing.- 5.2. The Metallic Line Absorption.- 5.3. Molecular Lines.- 5.4. The Hydrogen Lines.- 6. The UBV Colors.- 7. The Temperature Calibrations.- 8. The Bolometric Correction.- 9. Convection and Metal Abundances.- 9.1. Convective Instability.- 9.2. Convection Velocities, Microturbulence and Chromospheres.- 9.3. Influence of Convection on the Observed Energy Distribution of Stellar Spectra.- References.- Properties and Problems of Helium Stars.- 1. Introduction.- 1.1. Definitions.- 2. General Properties.- 2.1. List of Objects.- 2.2. Distribution on the Sphere and Velocities.- 2.3. H/He Ratio.- 3. Spectrum.- 3.1. Visual Spectrum.- 3.2. UV-Spectrum.- 4. Atmospheric Structure.- 4.1. Model Atmospheres.- 4.2. Synthetic Spectra and Atmospheric Parameters.- 4.3. Non-LTE Effects.- 5. Individual Obj ects.- 5.1. Extreme Helium Stars.- 5.2. Intermediate Helium Stars.- 5.3. O-Subdwarfs.- 6. Abundances.- 7. Evolution of Model Helium Stars and the (g, Teff) -Diagram.- 7.1. Main Sequences.- 7.2. Evolutionary Tracks.- 7.3. Lifetimes.- 8. Empirical (g, Teff) -Diagram.- 8.1. (g, Teff)-Classification and Masses.- 8.2. Observed Objects.- 9. Variability and Atmospheric Motions.- 10. Conclusion.- References.- Abundance Anomalies in Early-Type Stars.- 1. Introduction.- 2. Problems Related to the Determination of Abundance Anomalies.- 2.1. Definition of Abundances.- 2.2. Relative and Normal Abundances.- 2.3. Model Atmospheres of Peculiar Stars Compared to Normal Stars.- 3. The Population I Peculiar B Stars.- 3.1. The Major Groups of the Ap Stars.- 3.2. The Weak-Helium-Line Stars.- 3.3. Relationship of the Weak-Helium-Line Stars to the Silicon and Manganese Stars.- 3.4. Peculiar Early-B Stars.- 4. The CNO Stars.- 4.1. Properties of the CNO Stars.- 4.2. Element Abundances.- 4.3. Nature of the CNO Anomalies.- 5. The Population II B Stars.- 5.1. Classification.- 5.2. Evolutionary Status.- 5.3. Element Abundances.- 5.4. Discussion of the Abundance Anomalies.- 6. On the Origin of the Ap Phenomenon.- 6.1. Nuclear Processes.- 6.2. Non-Nuclear Processes.- 6.3. Removal of Surface Abundance Anomalies.- 6.4. Inferences from the Early-Type Peculiar Stars.- References.- A-Type Horizontal-Branch Stars.- 1. Introduction.- 2. Characteristics of A-Type Atmospheres.- 3. Observational Quantities.- 4. Field Horizontal-Branch Stars.- 5. Horizontal-Branch Stars in Globular Clusters.- 5.1. NGC 6397.- 5.2. NGC 6121 (M4).- 6. Chemical Composition and Mass-Luminosity Relation.- 6.1. Chemical Composition.- 6.2. Mass-Luminosity Ratio.- References.- White Dwarfs: Composition, Mass Budget and Galactic Evolution.- 1. Introduction.- 2. The Atmospheres of White Dwarfs.- 2.1. White Dwarfs with Hydrogen-Rich Atmospheres.- 2.2. White Dwarfs with Hydrogen-Deficient Atmospheres.- 3. Composition of Interiors and Envelopes. White-Dwarf Formation.- 4. Interpretation of Atmospheric Composition Differences DA vs. Non-DA Stars.- 5. White Dwarfs: Mass Budget and Galactic Evolution.- References.- Herbig-Haro Objects and T Tauri Nebulae.- 1. Introduction.- 2. Observation of Herbig-Haro Obj ects.- 2.1. Occurrence and Apparent Structure.- 2.2. Variability.- 2.3. Reddening and Interstellar (Circumstellar ) Absorption.- 2.4. Spectra.- 2.5. Polarization and Relation of Herbig-Haro Objects to Infrared Sources.- 3. Theory and Theoretical Deductions from the Observations.- 3.1. Direct In.…

Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. The Energy Flux of the Sun A Critical Discussion of Standard Values for the Solar Irradiance.- 1. Introduction.- 2. High Altitude Experiments.- 3. Discussion of the Results.- 4. Results of Measurements in the Far Ultraviolet.- References.- Model Stellar Atm.…

Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The Energy Flux of the Sun A Critical Discussion of Standard Values for the Solar Irradiance.- 1. Introduction.- 2. High Altitude Experiments.- 3. Discussion of the Results.- 4. Results of Measurements in the Far Ultraviolet.- References.- Model Stellar Atmospheres and Heavy Element Abundances.- 1. Introduction.- 2. The Temperature Stratification.- 3. The Gas and Electron Pressures.- 4. The Energy Distribution in the Continuum.- 5. The Line Absorption.- 6. The UBV Colors.- 7. The Temperature Calibrations.- 8. The Bolometric Correction.- 9. Convection and Metal Abundances.- References.- Properties and Problems of Helium Stars.- 1. Introduction.- 2. General Properties.- 3. Spectrum.- 4. Atmospheric Structure.- 5. Individual Obj ects.- 6. Abundances.- 7. Evolution of Model Helium Stars and the (g, Teff) -Diagram.- 8. Empirical (g, Teff) -Diagram.- 9. Variability and Atmospheric Motions.- 10. Conclusion.- References.- Abundance Anomalies in Early-Type Stars.- 1. Introduction.- 2. Problems Related to the Determination of Abundance Anomalies.- 3. The Population I Peculiar B Stars.- 4. The CNO Stars.- 5. The Population II B Stars.- 6. On the Origin of the Ap Phenomenon.- References.- A-Type Horizontal-Branch Stars.- 1. Introduction.- 2. Characteristics of A-Type Atmospheres.- 3. Observational Quantities.- 4. Field Horizontal-Branch Stars.- 5. Horizontal-Branch Stars in Globular Clusters.- 6. Chemical Composition and Mass-Luminosity Relation.- References.- White Dwarfs: Composition, Mass Budget and Galactic Evolution.- 1. Introduction.- 2. The Atmospheres of White Dwarfs.- 3. Composition of Interiors and Envelopes. White-Dwarf Formation.- 4. Interpretation of Atmospheric Composition Differences DA vs. Non-DA Stars.- 5. White Dwarfs: Mass Budget and Galactic Evolution.- References.- Herbig-Haro Objects and T Tauri Nebulae.- 1. Introduction.- 2. Observation of Herbig-Haro Obj ects.- 3. Theory and Theoretical Deductions from the Observations.- 4. The T Tauri Emission Nebula.- References.- Circumstellar Envelopes and Mass Loss of Red Giant Stars.- 1. Introduction.- 2. Circumstellar Absorption Lines.- 3. Dust and Molecules in the Circumstellar Envelopes of Red Giants.- 4. The Dependence of Mass Loss on Basic Stellar Parameters.- 5. Consequences for Stellar Evolution.- References.- Cosmic Masers.- 1. Introduction.- 2. Observational Characteristics.- 3. Radiative Transfer.- 4. Polarization.- 5. Pumping Mechanisms.- 6. Models.- 7. Discussion and Conclusion.- References.- Radio Emission from Stellar and Circumstellar Atmospheres.- 1. Introduction.- 2. Stellar Chromospheres and Coronas.- 3. Solar-Type Activity on Stars.- 4. Flare Stars: UV Cet et al.- 5. Radio Emission from Close Binaries.- 6. Radio Emission from Objects with Circumstellar Envelopes.- 7. X-Ray Stars as Radio Emitters.- 8. The Remaining Stellar Observations.- References.- Line Formation in Turbulent Media.- 1. Introduction.- 2. General Structure of the Problem.- 3. Line Formation in Discontinuous Velocity Fields.- 4. Line Formation in Media with Continuous Velocity Fields.- 5. Solution of the Generalized Transfer Equation.- 6. An Approach to NLTE Line Formation in Turbulent Media.- 7. Concluding Remarks.- References.- Index of Astronomical Objects.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 400 pp. Englisch.…

Condition: New. Print on Demand pp. 400 75 Figures, 67:B&W 6.69 x 9.61 in or 244 x 170 mm (Pinched Crown) Perfect Bound on White w/Gloss Lam.

Condition: New. PRINT ON DEMAND pp. 400.