Kopal Advances in Astronomy and Astrophysics

1. Auflage 2013
ISBN: 978-1-4832-2424-4
Verlag: Elsevier Science & Techn.
Format: PDF
Kopierschutz: 1 - PDF Watermark

E-Book, Englisch, Band Volume 3, 402 Seiten, Web PDF

Reihe: Advances in Astronomy and Astrophysics

Advances in Astronomy and Astrophysics, Volume 3 is a collection of papers that describes the elements found in the solar atmosphere, Fourier transforms, internal structure of the stars, and apsidal motions. Two papers discuss the spectral analysis of solar flares and a survey of modern cosmology. One paper discusses the solar abundance of particular elements such as iron, sodium, potassium, zinc, gallium, strontium. The loss of heavier elements from the upper layers of the solar atmosphere depends on the atomic number: the heavier the atom the greater the amount of depletion. Another paper describes a method to determine the elements of an eclipsing binary system by defining the characteristic functions of the eclipse derived from some integral transforms of the ascending and descending parts in minima of the light curve. One paper compares the general physical theory of self-gravitating gas spheres and of thermonuclear processes with certain phenomena present in close binary systems. One paper notes that the estimates of electron density made by various methods at different flares (solar) and the resulting optical thickness of flares yield values within a wide range. The differences observed in optical thickness are due to various presuppositions on the broadening mechanism of the Balmer lines. The collection is suitable for astronomers, geochemists, astro-physicists, and scientists whose works involve cosmology.

Autoren/Hrsg.

Kopal, Zdenek

Kopal, Zden?k

Inhaltsverzeichnis

1;Front Cover
;1
2;Advances in Astronomy and Astrophysics
;4
3;Copyright Page
;5
4;Table of Contents
;8
5;CONTRIBUTORS TO VOLUME 3;6
6;CONTENTS OF VOLUME 1;10
7;CONTENTS OF VOLUME 2;11
8;Chapter 1. The Abundance of Elements in the Solar Atmosphere
;12
8.1;I INTRODUCTION
;12
8.2;II THEORY
;13
8.3;Ill FACTORS INFLUENCING THE DETERMINATION OF ELEMENTAL ABUNDANCES IN THE SOLAR ATMOSPHERE
;14
8.4;IV THE ROLE OF TRANSITION PROBABILITIES IN ABUNDANCE DETERMINATION
;15
8.5;ACKNOWLEDGMENTS;35
8.6;REFERENCES;35
9;Chapter 2. Determination of the Elements of Eclipsing Variables from Fourier Transforms of Their Light Curves
;38
9.1;I INTRODUCTION
;38
9.2;II INCOMPLETE FOURIER TRANSFORMS OF THE LIGHT CURVE
;40
9.3;III CHARACTERISTIC FUNCTIONS OF THE ECLIPSE
;46
9.4;IV RELATIONS BETWEEN OCCULTATION AN DTRANSIT FOR FUNCTIONS E AND Fn
;51
9.5;V DETERMINATION OF LIMB-DARKENING COEFFICIENTS OF THE COMPONENTS
;60
9.6;VI PRACTICAL METHOD OF SOLUTION
;63
9.7;VII INCOMPLETE FOURIER TRANSFORMS Sn AND Cn EVALUATED NUMERICALLY BY THE TRAPEZOIDAL RULE FROM THE OBSERVED LIGHT
VARIATION;68
9.8;VIII METHOD OF DIFFERENTIAL CORRECTIONS FOR IMPROVING VALUES OF THE ELEMENTS
;72
9.9;IX EXAMPLES OF PRACTICAL ANALYSIS
;75
9.10;ACKNOWLEDGMENT;97
9.11;REFERENCES;98
10;Chapter 3. Internal Structure of the Stars and Apsidal Motions
;100
10.1;I INTRODUCTION
;100
10.2;II APSIDAL MOTION IN CLOSE BINARY SYSTEMS
;102
10.3;Ill APSIDAL MOTION: OBSERVABLE CONSEQUENCES
;109
10.4;IV APSIDAL MOTIONS: OBSERVATIONS
;114
10.5;V COMPARISON WITH THE THEORY
;117
10.6;VI REMARKS
;123
10.7;LIST OF SYMBOLS;126
10.8;REFERENCES;127
11;Chapter 4. Spectral Analysis of Solar Flares
;130
11.1;I BASIC FORMULAS
;131
11.2;II REVIEW OF THE METHODS APPLIED
;134
11.3;Ill CRITICAL SUMMARY OF THE PRESENT RESULTS
;162
11.4;IV EVIDENCES OF STARK BROADENING OF BALMER LINES IN FLARES
;171
11.5;V ELECTRON DENSITY
;183
11.6;VI OPTICAL THICKNESS
;193
11.7;VII ELECTRON TEMPERATURE AND DEVIATIONS FROM THERMODYNAMIC EQUILIBRIUM
;202
11.8;VIII BALMER CONTINUUM
;211
11.9;IX FILAMENTARY STRUCTURE OF FLARES
;215
11.10;X CONSEQUENCES OF THE FILAMENTARY STRUCTURE
;234
11.11;REFERENCES;248
12;Chapter 5. Survey of Modern Cosmology
;252
12.1;INTRODUCTION;253
12.2;I LOCAL PROPERTIES OF AN EXPANDING UNIVERSE
;257
12.3;II PROPERTIES OF THE WORLD AS A WHOLE
;273
12.4;Ill OBSERVATIONAL PREDICTIONS FROM THEORY
;289
12.5;IV INITIAL STAGE OF EVOLUTION NUCLEAR REACTIONS AND THERMODYNAMICS
;324
12.6;V HETEROGENEITIES AND THEIR EVOLUTION IN THE EXPANDING UNIVERSE
;346
12.7;VI GENERAL THEORETICAL FOUNDATIONS OF COSMOLOGY
;375
12.8;ACKNOWLEDGMENTS;386
12.9;REFERENCES;386
13;Author Index;392
14;Subject Index;397