Stellar Formation

PART 1: Data

Chapter 1. Introduction

Chapter 2. Locations of Star Formation


2.01 The Distribution of Young Stars


2.02 The Distribution of Interstellar Gas, Clouds and Globules


2.03 Spatial Relationships between Young Stars and Interstellar Matter

2.04 Summary

Chapter 3. The Frequency Distribution of Stellar Masses


3.01 The Luminosity Function ϕ(Mv)


3.02 The Initial Luminosity Function ψ (Mv)


3.03 The Initial Mass-Luminosity Relation


3.04 The Initial Mass Function

3.05 The Largest and Smallest Stellar Masses

3.06 Summary

Chapter 4. The Frequency Distribution of The Masses of Aggregates of Stars

Chapter 5. The Frequency Distribution of Cloud Masses


5.01 Interstellar Call Absorption Lines


5.02 21 cm Hydrogen Line Emission


5.03 Dust Clouds

Chapter 6. The Rate of Star Formation


6.01 Some Analytical Relationships


6.02 The Rate of Star Formation in Galaxies as a Function of Gas Content, from Bright Star Counts and 21 cm Hydrogen Line Measurements


6.03 Dependence of the Rate of Star Formation on Gas Density

Chapter 7. The Environment of Star Formation


7.01 Molecular Hydrogen in the Galaxy


7.02 Interstellar and Circumstellar Obscuration


7.03 Temperatures in Pre-stellar Clouds


7.04 Densities in Pre-stellar Clouds


7.05 Interstellar Magnetic Fields


7.06 Motions of the Interstellar Gas


7.07 Element Abundances in the Interstellar Gas


7.08 Element Abundances in the Stars

PART 2: Theory

Chapter 8. Cloud Structure in the Interstellar Gas


8.01 The Maintenance of a Cloud Structure


8.02 The Generation of a Cloud Structure

Chapter 9. The Ordering of Clouds Into Spiral Arms


9.01 The Maintenance of Spiral Density Waves


9.02 The Origin of Spiral Density Waves


9.03 Ejection from Galactic Nuclei


9.04 Mass Arms


9.05 Spiral Arms in Relation to Star Formation

Chapter 10. Conditions for Contraction of Clouds

Chapter 11. The Fragmentation of Clouds Into Protostars and the Frequency Distribution of Protostar Masses


11.01 Introduction


11.02 Random Fragmentation


11,03 Hierarchicha1 Fragmentation


11.04 Fragmentation Induced by Molecule Formation


11.05 Other Theories


11.06 Summary

Chapter 12. The Rate of Formation of Stars


12.01 Gravitational Turbulence


12.02 Molecule Formation

Chapter 13. The Evolution of Galaxies


13.01 Star Formation in the Proto-galaxy; Controlling Influences of Grains and Molecules


13.02 Model Calculations


13.03 Calculations with K = 1.3 x 10 -17 s-1


13.040 Overshoot in the Rate of Star Formation


13.05 Other Models and Analyses


13.06 Conclusion

References

Subject Index