Saas-Fee Advanced Course 12, "Morphology and Dynamics of Galaxies", given at the Swiss Society for Astronomy and Astrophysics (SSAA), in Les Diablerets, Switzerland. Edited by L. Martinet and M. Mayor. Publisher: Observatoire de Genève, Chemin des Maillettes, CH-1290 Sauverny, Switzerland, 1982.


OBSERVATIONS OF GALAXY STRUCTURE AND DYNAMICS

John Kormendy 1, 2, 3
Dominion Astrophysical Observatory
Herzberg Institute of Astrophysics


Table of Contents

INTRODUCTION

GALAXY MORPHOLOGY
Introduction
Classical Galaxy Morphology
Integral Properties of Galaxies: The Physical Meaning of the Hubble Sequence
Toward a Physical Morphology of Galaxies
Some Applications of Physical Morphology
Oval Disks
Nuclear Activity: Feeding the Monster
Varieties of Spiral Structure
Conclusion

SURFACE PHOTOMETRY OF ORDINARY GALAXIES
Introduction
Searches for Massive Halos
Elliptical and cD Galaxies
Three-Dimensional Shapes
Digression on Profile Fitting Functions
Characteristic Parameters of Elliptical Galaxies
cD Galaxies. I. Central Structure
Tidal Effects
cD Galaxies. II. The Extended Envelope
Mergers
Core Profiles
Disk Galaxies
Bulges
Disk Properties. I. Freeman's (1970) Study
Decomposition of Observed Profiles into Bulge and Disk Components
Disk Properties. II. The Shape of the Radial Profile
Disk Properties. III. Characteristic Parameters
Disk Properties. IV. Vertical Structure

KINEMATICS OF ORDINARY GALAXIES
Gas Velocity Fields
Stellar Velocity Fields
The Fourier Quotient Method
Central Velocity Dispersions. I. The Faber-Jackson Relation
Central Velocity Dispersions. II. Mass-to-Light Ratios
Central Velocity Dispersions
Velocity Dispersion Gradients
The Dynamical Importance of Rotation in Bulges and Ellipticals
Velocity Fields in Bulges and Ellipticals

BARRED GALAXIES
Bars
Morphology and Photometry
Stellar Kinematics and Dynamics of Bars. I. Introduction to Observing Program
Dynamics of Bars. II. Basic Kinematics of NGC 936
Dynamics of Bars. III. N-Body Models
Dynamics of Bars. The Importance of Rotation Versus Random Motions: Comparison with N-Body Models
Dynamics of Bars. V. Summary
Bulge Components
Lenses
Inner and Outer Rings
Conclusion: Secular Evolution Processes in Barred Galaxies

CONCLUSION

REFERENCES



1 Visiting Astronomer at the Kitt Peak National Observatory and the Cerro Tololo Interamerican Observatory, which are operated by the Association of Universities for Research in Astronomy, Inc., under contract with the National Science Foundation. Back.

2 Guest Investigator at Palomar Observatory, which is operated by the California Institute of Technology. Back.

3 Guest Investigator at the Mt. Wilson and Las Campanas Observatories of the Carnegie Institution of Washington. Back.

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