PhD Thesis, Groningen Univ., (1978).
P R 0 E F S C H R I F T ter verkrijging van het doctoraat in de Wiskunde- en Natuurwetenschappen aan de Rijksuniversiteit to Groningen op gezag van de Rector Magnificus Dr. M.J. Janssen in het openbaar to verdedigen op vrijdag 17 maart 1978 des namiddags te 4 uurdoor
Albert Bosma geboren to Smilde
Table of Contents
CHAPTER 1. INTRODUCTION
References
CHAPTER 2. OBSERVATIONAL MATERIAL
References
CHAPTER 3. REDUCTION METHODS
1. Observing procedure
2. Problems associated with the
telescope configuration
3. Profile handling
4. Spatial resolution effects
References
CHAPTER 4. STUDIES OF INDIVIDUAL GALAXIES
1. A Neutral Hydrogen Study of the Spiral Galaxy
NGC 4736
2. A 21-cm Study of the Seyfert Galaxy
NGC 4151
3. A 21-cm Study of the Galaxy NGC 5033
4. A 21-cm Study of the Galaxy NGC 3198
5. A 21-cm Study of the Galaxy NGC 5055
6. A 21-cm Study of the Galaxy NGC 2841
7. A 21-cm Study of the Galaxy NGC 7331
Chapter 5. DESCRIPTION OF TWO-DIMENSIONAL MAPS OF SPIRAL
GALAXIES
l. Introduction
2. The main types of non-circular motions
3. Motions associated with individual spiral arms
4. Large scale symmetric deviations: oval
distortions
5. Large scale symmetric deviations: kinematical
warps
6. Large scale asymmetries
7. Small scale asymmetries
8. Concluding remarks
References
Chapter 6. ROTATION CURVES AND MASS MODELS
1. Introduction
2. Rotation curves
3. Mass models
4. Results: V(R),
M(R),
M(R)
5. Discussion
References
Chapter 7. DISCUSSION
1. Introduction
2. The mass and size of galaxies
3. The mass-to-luminosity ratio
4. The total mass to HI gas mass ratio
5. The extent of the HI distribution
6. The relationship with morphological types
References
Chapter 8. SYNOPSIS, SUGGESTIONS FOR FUTURE WORK