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This book has a dual purpose. Its first part reviews the basic theoretical knowledge necessary to understand the flow of interstellar gas that leads to the formation of stars, including ample intuitive discussion of the physical implications, the limitations of standard assumptions, and the necessary extensions for more realistic descriptions. The second part presents a self-consistent view of the process of cloud formation and evolution that ultimately leads to the formation of stars, starting from the mechanisms responsible for the formation of clouds in the diffuse interstellar medium, passing through their growth, the onset of gravitational contraction, the onset of star formation, and culminating on the dispersal of the star-forming regions and the properties of the star clusters formed by this process. Throughout the book, special emphasis is made on the fluid nature of the interstellar medium.
Enrique Vázquez-Semadeni earned his BSc in Physics from UNAM and his PhD in Astronomy from the University of Texas at Austin. He is a Professor and former Director of the Institute for Radioastronomy and Astrophysics at UNAM's Morelia Campus. He has served on UNAM's Computing Advisory Council and Supercomputing Committee, and received the Mexican Physical Society Research Award in 2019, and the National University Award in Exact Sciences in 2021.
Part I Theoretical Background
Chapter 1: The ISM and Star Formation
Chapter 2: The Hydrodynamic Equations
Chapter 3: Turbulence
Chapter 4: ISM Thermodynamics and Compressibility
Chapter 5: The Scalar Virial Theorem
Chapter 6: Self-Gravity I: Equilibrium and Stability
Chapter 7: Self-Gravity II: Gravitationally Driven Collapse Flow and Gravitational Fragmentation
Part II Cloud Evolution and Star Formation
Chapter 8: Molecular Clouds and Their Star-forming Properties
Chapter 9: Historical Perspective of Molecular Cloud and Star Formation Models
Chapter 10: Molecular Cloud Formation and Growth
Chapter 11: Onset of Gravitational Collapse, Fragmentation and Filamentation
Chapter 12: Star-Forming Regions and the Star Formation Rate
Chapter 13: Evolution of the Energy Balance and Scaling Relations in Molecular Clouds
Chapter 14: Formation of Stellar Clusters and Associations, and Cloud Dispersal
Chapter 15: Conclusions: The Galactic Flow
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