J. L. Sérsic

Extragalactic Astronomy (eBook, PDF)

Lecture notes from Córdoba

• Format: PDF

Produktbeschreibung

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Produktdetails

• Verlag: Springer Netherlands
• Seitenzahl: 247
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9789400977266
• Artikelnr.: 44059674

Inhaltsangabe

I: Forms and Structures.- 1.1. Normal and Peculiar Galaxies.- 1.2. Classification of Normal Galaxies.- 1.3. Apparent and True Flattening of Galaxies.- 1.4. Other Classifications Systems.- 1.5. Classification of Peculiar Galaxies.- II: Normal Galaxies.- II.1. Contents.- II.1.1. Photometric Properties.- II.1.2. Stellar Content.- II.1.3. The Interstellar Medium in Galaxies.- II.1.4. Subsystems.- II.2. Motions and Masses.- II.2.1. Kinematics.- II.2.2. Masses of Galaxies.- II.2.3. Mass-Luminosity Ratios.- II.3.2. Evolution of Galactic Content.- III: Active Galaxies.- III.1. Classification.- III.2. Intergalactic H II Regions (IG H II).- III.3. Galaxies with Nuclear Emission (neG).- III.4. Irr II Galaxies.- III.5. Seyfert Galaxies (SyG).- III.5.1. Spectrum of Emission.- III.5.2. Continuum Spectrum.- III.5.3. Variability.- III.5.4. Radioemission.- III.5.5. Correlations.- III.6. Strong Radio Galaxies (SRG).- III.6.1. Radio Structures.- III.6.2. Spectrum of Radio Frequencies.- III.6.3. Time Scale.- III.6.4. Compact Sources.- III.6.5. Optical Forms Associated with SRG's.- III.6.6. Optical Spectra.- III.6.7. Energetics of SRG's.- III.7. N Galaxies.- III.8. Quasi Stellar Objects (QSO).- III.8.1. Continuum Spectrum.- III.8.2. Line Spectrum.- III.8.3. BL Lacertae Objects.- III.8.4. Redshifts and Nature of the QSO's.- III.9. Activity in Compact Objects.- III.9.1. Excitation Mechanism.- III.9.2. The Source of Energy.- IV: Galaxies and their Environment.- IV.1. Tidal Interactions.- IV.1.2. Non-tidal Interactions.- IV.2. Agregates of Galaxies.- IV.2.1. Pairs and Multiplets.- IV.2.2. Groups of Galaxies.- IV.2.3. Clusters.- IV.2.4. Second Order Clustering.- IV.2.5. Clustering.- IV.3. Mean Mass Density of Matter in the Universe.- V: Measuring the Universe.- V.1. Distance Indicators.-V.1.1. Primary Distance Indicators.- V.1.2. Other Photometric Indicators.- V.1.3. Geometric Indicators.- V.1.4. Other Indicators.- V.2. The Scale of Distances.- V.2.1. The Hubble Flow.- V.2.2. The Quest for H0.- V.3. Far Away and Long Ago.- V.3.1. TheRedshift.- V.3.2. The Hubble Law.- VI: Cosmology.- VI.1. Basic Assumptions.- VI.2. Explosive Cosmologies.- VI.3. Thermal Evolution of the Universe.- VI.4. Primaeval Nucleosynthesis.- VI.5. The Background Radiation.- VI.6. Observational Cosmology.- VI.6.1. Observable Parameters.- VI.6.2. Fitting the Model to the Universe.- VI.6.3. Lifting the Restriction ? = 0.- VII: Gravitational Instability and Galaxy Formation.- VII.1. Theory of Jeans' Wavelength and Mass.- VII.1.1. The Jeans Mass.- VII.2. Gravitational Instability in an Expanding Universe.- VII.2.1. The Era of Gravitational Instability.- VII.3. Protogalaxies.- VII.3.1. Non-linear Growth of a Density Perturbation.- VII.4. Galaxy Formation Through Dissipative Collapse.- VII.4.1. Stationary State out of Equilibrium.- VII.4.2. Hierarchy of Fragmentations.- VII.4.3. The End of the Hierarchy.- VII.4.4. Global Dynamics.- VII.4.5. The Influence of Rotation.- VI.5. Dissipationless Collapse.- VIII: Notes and Comments.- VII.1. Catalogs and Atlas of Galaxies.- VIII.2. Composite Spectra.- VIII.3. The H I Spectrum.- VIII.4. Determination of Rotation Curves.- VIII.5. Rotation Period of Central Regions in Galaxies.- VIII.6. Note for Section V.1.3.

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I: Forms and Structures.
1.1. Normal and Peculiar Galaxies.
1.2. Classification of Normal Galaxies.
The Holmberg Classification.
Description of the Holmberg Types.
The Hubble Classification.
The de Vaucouleurs Classification.
1.3. Apparent and True Flattening of Galaxies.
1.4. Other Classifications Systems.
The Yerkes Classification.
Luminosity Classes.
1.5. Classification of Peculiar Galaxies.
II: Normal Galaxies.
II.1. Contents.
II.1.1. Photometric Properties.
Total Luminosities.
Brightness Distributions.
Other Luminosity Distributions.
Apparent Dimensions.
Colors.
II.1.2. Stellar Content.
Composite Spectra.
Luminosity Effects.
Composition Differences.
II.1.3. The Interstellar Medium in Galaxies.
Neutral Hydrogen Observations.
The Neutral Hydrogen Content along the Sequence.
Neutral Hydrogen Distribution.
The Ionized Medium in Galaxies.
II.1.4. Subsystems.
Spheroidal Subsystems.
Globular Clusters.
The Nuclear Subsystems.
Disk Subsystems.
Arm Subsystems.
The Bar and its Associated Subsystems.
II.2. Motions and Masses.
II.2.1. Kinematics.
Rotation Curves in Late
type Galaxies.
Observed Rotation Curves in Late
type Galaxies.
Departures from Circular Motion.
Rotation in Early
type Galaxies.
Velocity Dispersion in Early
type Galaxies.
II.2.2. Masses of Galaxies.
Masses from Curves of Rotation.
Indicative Masses.
Mass Distribution.
Angular Momentum from Rotation Curves.
Masses from the Velocity Dispersion of Stars.
Statistical Masses from Galaxy Pairs.
Statistical Masses from Systems of Galaxies.
II.2.3. Mass
Luminosity Ratios.
Integrated Values.
Variation of the Local Value of the M/LB Ratio.
Massive Halos.
II.3. Models for Normal Galaxies.
II.3.1. Dynamical Models.
Elliptical Galaxies.
Flattening of Elliptical Galaxies.
Triaxial Structures in Elliptical Galaxies.
II.3.2. Evolution of Galactic Content.
Basic Equations.
Chemical Evolution of the Interstellar Gas.
The Rate of Stellar Formation.
Integrated Colors as Age Indicators.
The Nature of Dwarf Galaxies.
III: Active Galaxies.
III.1. Classification.
III.2. Intergalactic H II Regions (IG H II).
III.3. Galaxies with Nuclear Emission (neG).
III.4. Irr II Galaxies.
Explosive Galaxies.
Post Eruptive Galaxies.
III.5. Seyfert Galaxies (SyG).
III.5.1. Spectrum of Emission.
III.5.2. Continuum Spectrum.
III.5.3. Variability.
III.5.4. Radioemission.
III.5.5. Correlations.
III.6. Strong Radio Galaxies (SRG).
III.6.1. Radio Structures.
III.6.2. Spectrum of Radio Frequencies.
III.6.3. Time Scale.
III.6.4. Compact Sources.
III.6.5. Optical Forms Associated with SRG's.
III.6.6. Optical Spectra.
III.6.7. Energetics of SRG's.
III.7. N Galaxies.
III.8. Quasi Stellar Objects (QSO).
III.8.1. Continuum Spectrum.
III.8.2. Line Spectrum.
III.8.3. BL Lacertae Objects.
III.8.4. Redshifts and Nature of the QSO's.
III.9. Activity in Compact Objects.
III.9.1. Excitation Mechanism.
III.9.2. The Source of Energy.
IV: Galaxies and their Environment.
IV.1. Tidal Interactions.
Interacting Galaxies (IG).
Ring
like Peculiar Galaxies.
Dynamical Friction.
Mergers.
IV.1.2. Non
tidal Interactions.
SRGs as Environmental Probes.
The Head
Tail Radio Sources.
Stripping Process.
Accretion.
IV.2. Agregates of Galaxies.
IV.2.1. Pairs and Multiplets.
IV.2.2. Groups of Galaxies.
IV.2.3. Clusters.
Classification.
Dynamics and Evolution.
Intracluster Medium (ICM).
Luminosity Function.
IV.2.4. Second Order Clustering.
The Local Super Cluster (SC).
IV.2.5. Clustering.
The Observed and Computed Correlations.
Saslaw's Interpretation.
IV.3. Mean Mass Density of Matter in the Universe.
A Hierarchical Universe?.
V: Measuring the Universe.
V.1. Distance Indicators.
V.1.1. Primary Distance Indicators.
Interstellar Absorption.
Novae.
Population I Cepheids.
RR Lyrae.
V.1.2. Other Photometric Indicators.
The Brightest Stars.
Blue Bright Stars.
The Hubble
Sandage Stars.
Red Giants.
Globular Clusters.
The Color
Magnitude (CM) Effect.
Luminosity Classes.
Absolute Magnitudes of Galaxies.
V.1.3. Geometric Indicators.
Diameters of H II Rings.
Diameters of the Largest H II Regions.
Diameters of Spiral Galaxies.
V.1.4. Other Indicators.
Surface Brightness of Galaxies.
Super Associations (SAS).
Supernovae.
The 21
cm Line Width.
Sypernovae Expansion.
Super Luminal Expansion.
V.2. The Scale of Distances.
V.2.1. The Hubble Flow.
V.2.2. The Quest for H0.
Seven Steps Toward the Hubble Constant.
Seven Other Steps Toward the Hubble Ratio.
Two Leaps to H0.
Epilog.
V.3. Far Away and Long Ago.
V.3.1. TheRedshift.
V.3.2. The Hubble Law.
The Redshift Magnitude Diagram.
The Deceleration Parameter.
VI: Cosmology.
VI.1. Basic Assumptions.
VI.2. Explosive Cosmologies.
VI.3. Thermal Evolution of the Universe.
VI.4. Primaeval Nucleosynthesis.
VI.5. The Background Radiation.
VI.6. Observational Cosmology.
VI.6.1. Observable Parameters.
VI.6.2. Fitting the Model to the Universe.
VI.6.3. Lifting the Restriction ? = 0.
VII: Gravitational Instability and Galaxy Formation.
VII.1. Theory of Jeans' Wavelength and Mass.
VII.1.1. The Jeans Mass.
VII.2. Gravitational Instability in an Expanding Universe.
VII.2.1. The Era of Gravitational Instability.
VII.3. Protogalaxies.
VII.3.1. Non
linear Growth of a Density Perturbation.
VII.4. Galaxy Formation Through Dissipative Collapse.
VII.4.1. Stationary State out of Equilibrium.
VII.4.2. Hierarchy of Fragmentations.
VII.4.3. The End of the Hierarchy.
VII.4.4. Global Dynamics.
VII.4.5. The Influence of Rotation.
VI.5. Dissipationless Collapse.
VIII: Notes and Comments.
VII.1. Catalogs and Atlas of Galaxies.
VIII.2. Composite Spectra.
Quantitative Analysis of Composite Spectra.
VIII.3. The H I Spectrum.
Line Formation.
Excitation of the 21
cm Line.
Optical Depth and Absorption.
VIII.4. Determination of Rotation Curves.
VIII.5. Rotation Period of Central Regions in Galaxies.
VIII.6. Note for Section V.1.3.