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Determination of Atmospheric Parameters of B-, A-, F- and G-Type Stars : Lectures from the School of Spectroscopic Data Analyses / / edited by Ewa Niemczura, Barry Smalley, Wojtek Pych
| Determination of Atmospheric Parameters of B-, A-, F- and G-Type Stars : Lectures from the School of Spectroscopic Data Analyses / / edited by Ewa Niemczura, Barry Smalley, Wojtek Pych |
| Edizione | [1st ed. 2014.] |
| Pubbl/distr/stampa | Cham : , : Springer International Publishing : , : Imprint : Springer, , 2014 |
| Descrizione fisica | 1 online resource (312 p.) |
| Disciplina | 523.86 |
| Collana | GeoPlanet: Earth and Planetary Sciences |
| Soggetto topico |
Planetology
Observations, Astronomical Astronomy—Observations Space sciences Astronomy, Observations and Techniques Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics) |
| ISBN | 3-319-06956-X |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Series Editors; Advisory Board; Preface; Contents; Contributors; 1 Spring School of Spectroscopic Data Analyses: Determination of Atmospheric Parameters of B, A, F and G-type Stars---Introduction; 1 The Need for Accurate Atmospheric Parameters and Abundances from an Astrophysical Point of View; 2 Spectra as a Powerful Tool; 2.1 How to Choose the Ideal Spectrograph?; 3 KASC and the Characterisation of Asteroseismic Kepler Targets; 4 Motivation of the Spectroscopic School; 4.1 Available Spectra of Kepler Main Sequence Pulsators; 4.2 Outlook; References
2 Stellar Atmospheres: Basic Processes and Equations1 Introduction; 2 Basic Definitions; 2.1 Specific Intensity; 2.2 Flux; 2.3 K-integral; 3 Absorption Coefficient and Optical Depth; 4 Emission Coefficient; 5 Source Function and Its Physical Meaning; 5.1 Two Simple Cases; 5.2 Pure Isotropic Scattering; 5.3 Pure Absorption; 6 The Transfer Equation; 6.1 Elementary Solutions; 6.2 No Absorption, No Emission; 6.3 No Absorption, Only Emission; 6.4 No Emission, Only Absorption; 6.5 General Case: Absorption and Emission; 6.6 Special Case: Linear Source Function; 7 The Flux Integral 8 Computing a Model Atmosphere8.1 Basic Equations of Stellar Atmospheres; 8.2 A Pedagogical Example: The Grey Atmosphere; 9 Conclusions; References; 3 How to Build a Model of the Atmosphere and Spectrum; 1 Introduction; 2 Observational and Computational Pipelines; 3 Rotation; 4 Circumstellar and Interstellar Absorption; 5 Telluric Spectra; 6 Comparison to Observed Spectra; 7 Equation of State; 8 Convection and Microturbulent Velocity; References; 4 Model Atmosphere Codes: ATLAS12 and ATLAS9; 1 Introduction; 2 SYNTHE; 3 High Resolution Atlases; 4 Validating Spectrum Calculations; 5 ATLAS12 6 DFSYNTHE and ODFs7 ODFs and ATLAS9; References; 5 Atomic Data: Where to Get Them, How to Use Them; 1 Introduction; 2 Spectral Line Formation; 3 Atomic Line Databases; 3.1 Robert Kurucz Database; 3.2 NIST Atomic Spectra Database; 3.3 VALD3---Vienna Atomic Line Database, Third Release; 3.4 D.E.S.I.R.E. and D.R.E.A.M. Databases at Mons University; 3.5 Stark-b Database; 4 VAMDC---Virtual Atomic and Molecular Data Centre; References; 6 Problems with Atomic and Molecular Data: Including All the Lines; 1 Introduction; 2 Problems; 3 Examples of New Calculations; 4 Molecules, TiO and H2O 5 Spectrum Analysis Using Stellar Atlases as the Laboratory Source6 Conclusion; References; 7 Spectral Classification: The First Step in Quantitative Spectral Analysis; 1 Introduction; 2 The Role of Classification in Spectral Analysis; 3 How are Spectral Types Determined?; 3.1 Standard Stars; 3.2 An Example of How to Classify a Star; 4 Conclusions; References; 8 Effective Temperature Determination; 1 Effective Temperature; 2 The Paschen Continuum; 3 Temperatures from Balmer Line Profiles; 3.1 Examples of Balmer Line Fitting; 4 Spectral Line Depth Ratios; 5 Equivalent Width 6 Metal Line Diagnostics |
| Record Nr. | UNINA-9910298370303321 |
| Cham : , : Springer International Publishing : , : Imprint : Springer, , 2014 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Introduction to stellar structure / / Walter J. Maciel
| Introduction to stellar structure / / Walter J. Maciel |
| Autore | Maciel W. J (Walter Junqueira) |
| Edizione | [1st ed. 2016.] |
| Pubbl/distr/stampa | Cham, Switzerland : , : Springer International Publishing AG, , [1999] |
| Descrizione fisica | 1 online resource (XV, 215 p. 49 illus.) |
| Disciplina | 523.86 |
| Collana | Astronomy and Planetary Sciences |
| Soggetto topico |
Stars - Evolution
Stars - Structure |
| ISBN | 3-319-16142-3 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Physical Properties of the Stars -- Physical Conditions in the Stellar Interior -- The Electron Gas -- The Photon Gas -- Adiabatic Processes in the Stellar Interior -- Polytropes -- Radiative Equilibrium -- Opacity -- Electron Conduction -- Convection -- Thermonuclear Reactions -- Energy Production -- Calculation of the Stellar Structure -- Appendix A: Constants and Units -- Solutions. |
| Record Nr. | UNINA-9910483471903321 |
Maciel W. J (Walter Junqueira)
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| Cham, Switzerland : , : Springer International Publishing AG, , [1999] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Stellar Interiors : Physical Principles, Structure, and Evolution / / by Carl J. Hansen, Steven D Kawaler
| Stellar Interiors : Physical Principles, Structure, and Evolution / / by Carl J. Hansen, Steven D Kawaler |
| Autore | Hansen Carl J |
| Edizione | [1st ed. 1994.] |
| Pubbl/distr/stampa | New York, NY : , : Springer New York : , : Imprint : Springer, , 1994 |
| Descrizione fisica | 1 online resource (XIV, 446 p.) |
| Disciplina |
520
523.86 |
| Collana | Astronomy and Astrophysics Library |
| Soggetto topico |
Observations, Astronomical
Astronomy—Observations Astrophysics Geophysics Astronomy, Observations and Techniques Astrophysics and Astroparticles Geophysics/Geodesy |
| ISBN | 1-4684-0214-5 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | 1 Preliminaries -- 1.1 Hydrostatic Equilibrium -- 1.2 An Energy Principle -- 1.3 The Virial Theorem and Its Applications -- 1.4 The Constant-Density Model -- 1.5 Energy Generation and Transport -- 1.6 Stellar Dimensional Analysis -- 1.7 Evolutionary Lifetimes on the Main Sequence -- 1.8 Exercises -- 1.9 References and Suggested Readings -- 2 An Overview of Stellar Evolution -- 2.1 Pre-Main Sequence Evolution -- 2.2 Single Stars On and Near the Main Sequence -- 2.3 Evolution of Single Stars Off the Main Sequence -- 2.4 Late Stages of Evolution -- 2.5 Evolution in Close Binary Systems -- 2.6 Special Kinds of Stars -- 2.7 Concluding Remarks -- 2.8 Exercises -- 2.9 References and Suggested Readings -- 3 Equations of State -- 3.1 Distribution Functions -- 3.2 Blackbody Radiation -- 3.3 Ideal Monatomic Gas -- 3.4 The Saha Equation -- 3.5 Fermi-Dirac Equations of State -- 3.6 “Almost Perfect” Equations of State -- 3.7 Adiabatic Exponents and Other Derivatives -- 3.8 Exercises -- 3.9 References and Suggested Readings -- 4 Radiative and Conductive Heat Transfer -- 4.1 Radiative Transfer -- 4.2 The Diffusion Equation -- 4.3 A Brief Diversion into “?’s” -- 4.4 Radiative Opacity Sources -- 4.5 Heat Transfer by Conduction -- 4.6 Tabulated Opacities -- 4.7 References and Suggested Readings -- 5 Heat Transfer by Convection -- 5.1 The Mixing Length Theory -- 5.2 Variations on the MLT -- 5.3 References and Suggested Readings -- 6 Stellar Energy Sources -- 6.1 Gravitational Energy Sources -- 6.2 Thermonuclear Energy Sources -- 6.3 The Proton-Proton Chains -- 6.4 The Carbon-Nitrogen-Oxygen Cycles -- 6.5 Helium-Burning Reactions -- 6.6 Carbon, Neon, and Oxygen Burning -- 6.7 Silicon “Burning” -- 6.8 Neutrino Emission Mechanisms -- 6.9 Exercises -- 6.10 References and Suggested Readings -- 7 Stellar Modeling -- 7.1 The Equations of Stellar Structure -- 7.2 Polytropic Equations of State and Polytropes -- 7.3 The Approach to Real Models -- 7.4 References and Suggested Readings -- 8 Structure and Evolution of the Sun -- 8.1 The Sun as the Prototype Star -- 8.2 From the ZAMS to the Present -- 8.3 The Solar Neutrino “Problem” -- 8.4 The Role of Rotation in Evolution -- 8.5 References and Suggested Readings -- 9 Structure and Evolution of White Dwarfs -- 9.1 Observed Properties of White Dwarfs -- 9.2 White Dwarf Evolution -- 9.3 The Magnetic White Dwarfs -- 9.4 References and Suggested Readings -- 10 Asteroseismology -- 10.1 Adiabatic Radial Pulsations -- 10.2 Nonadiabatic Radial Motions -- 10.3 An Introduction to Nonradial Oscillations -- 10.4 Helioseismology -- 10.5 Asteroseismology of White Dwarfs -- 10.6 References and Suggested Readings -- A Glossary -- B Physical and Astronomical Constants -- C Sample Computer Codes -- C.1 The ZAMS Model Builder -- C.2 Adiabatic Pulsation Code. |
| Record Nr. | UNINA-9910828278303321 |
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Hansen Carl J
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| New York, NY : , : Springer New York : , : Imprint : Springer, , 1994 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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