• Produktbild: Radiation Transport in Spectral Lines
  • Produktbild: Radiation Transport in Spectral Lines
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Radiation Transport in Spectral Lines

Fr. 143.00

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Beschreibung

Produktdetails

Einband

Taschenbuch

Erscheinungsdatum

31.12.1972

Verlag

Springer Netherland

Seitenzahl

264

Maße (L/B/H)

23.5/15.5/1.6 cm

Gewicht

435 g

Auflage

Softcover reprint of the original 1st ed. 1972

Sprache

Englisch

ISBN

978-90-277-0241-8

Beschreibung

Produktdetails

Einband

Taschenbuch

Erscheinungsdatum

31.12.1972

Verlag

Springer Netherland

Seitenzahl

264

Maße (L/B/H)

23.5/15.5/1.6 cm

Gewicht

435 g

Auflage

Softcover reprint of the original 1st ed. 1972

Sprache

Englisch

ISBN

978-90-277-0241-8

Herstelleradresse

Libri GmbH
Europaallee 1
36244 Bad Hersfeld
DE

Email: gpsr@libri.de

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  • Produktbild: Radiation Transport in Spectral Lines
  • Produktbild: Radiation Transport in Spectral Lines
  • I. Introduction.- 1. Historical Summary.- 2. Radiative Transfer Equations.- 3. Local Thermodynamic Equilibrium.- 4. Pure Scattering.- II. The Line Source Function.- 1. The General Form of SL.- 2. Steady State Equations.- 3. Specific Form of SL.- 4. An Integral Form for SL.- 5. The Form of ?
    ? and the Escape Probability.- 6. The Destruction Probability.- 7. Photon Random Walk, Degradation Length and Thermalization Length.- 8. Effectively Thick and Effectively Thin.- 9. The Escape Coefficient.- 10. Rate Coefficients.- 11. Free-Bound Continua.- III. The Two-Level Case: One Spectral Line.- 1. ?, r0, ?
    ?, and B Constant.- 2. The Influence of a Temperature Gradient.- 3. The Influence of a Gradient in ?.- 4. The Influence of a Gradient in r0.- 5. The Influence of a Gradient in ?
    ?.- 6. The Influence of a Moving Atmosphere.- 7. The Influence of Frequency Redistribution.- 8. The Influence of Anisotropic Scattering.- 9. The Influence of a Finite Atmosphere.- 10. The Influence of Horizontal Structure.- a. Periodic Structure.- b. The Isolated Cylinder.- c. The Imbedded Cylinder.- IV. The Multilevel Case: Two or More Lines.- 1. General Comments.- 2. Consistency Checks.- 3. Two Levels Plus Continuum.- 4. Upper Level Multiplets.- 5. Lower Level Multiplets.- 6. Metastable Levels.- 7. Two Lines in Series.- 8. Three Line Loops.- 9. Four-Line Metastable Loops.- 10. Four-Line Closed Loop.- 11. Interlocking Effects on a Strong Line of Fixed ?, r0 and ?.- 12. Discussion.- V. Line profiles.- 1. The Eddington-Barbier Relation.- 2. Depth Dependence of S
    ? Near Line Center.- 3. Frequency Dependence of S
    ?.- 4. Mapping of S? into I?.- 5. Microturbulence, Macroturbulence, and Differential Motion.- 6. Line Cores.- 7. Line Wings.- 8. Center-Limb Effects.- 9. Profile Synthesis.- 10. A Standard Set of Data.- 11. Evaluation of ??D from Cores of Strong Lines — One ? Position.- 12. Evaluation of ??D from Cores of Strong Lines — Center-Limb Data.- 13. Analysis of Line Wings.- 14. Analysis of Line Shoulders.- 15. Comments on Weak and Moderately Strong (Photospheric) Lines.- 16. A Test for LTE Using Equivalent Widths.- 17. Comparisons of Empirically Derived Line Source Functions to the Continuum Source Function.- 18. Analysis and Restoration of Line Profile Data.- VI. Total Intensities of Lines.- 1. Introduction.- 2. Curve-of-Growth for Absorption Lines.- 3. Emission Line Fluxes.- 4. The Two Level Atom.- 5. Upper Level Doublets.- 6. Lower Level Doublet and Metastable Level.- 7. Three Line Loop.- 8. Added Comments.- VII. The Line Blanketing Effect.- 1. Definition of Terms.- 2. Historical Summary.- 3. Mathematical Derivation of Blanketing Terms.- 4. The c Term.- 5. The t Term.- 6. Integrated Quantities.- 7. Influence on Temperature Structure.- 8. Multilevel Effects.- 9. Early Stellar Types.- 10. The Solar Case.- 11. The Cayrel Mechanism.- VIII. Numerical Methods.- 1. Introduction.- 2. The Integral Flux-Divergence Equations.- 3. Required Frequency Bandwidth.- 4. Frequency Mapping.- 5. Free-Bound Continua.- 6. Simultaneous Solution of the Integral Flux-Divergence Equations.- 7. A Differential Equation Method.- 8. Extension to the Multilevel Case and Linearization.- 9. Core Saturation Method.- Index of Subjects.