Stellar Astronomy and Astrophysics

  1. Star Formation
    1. The Interstellar Medium
      1. Composition and Properties
        1. Gas Component
          1. Hydrogen
            1. Helium
              1. Heavy Elements
              2. Dust Component
                1. Grain Composition
                  1. Size Distribution
                    1. Extinction Properties
                  2. Physical Conditions
                    1. Temperature Structure
                      1. Density Distribution
                        1. Ionization State
                        2. Phases of the ISM
                          1. Cold Neutral Medium
                            1. Warm Neutral Medium
                              1. Warm Ionized Medium
                                1. Hot Ionized Medium
                                  1. Coronal Gas
                                  2. Giant Molecular Clouds
                                    1. Structure and Properties
                                      1. Molecular Hydrogen
                                        1. CO as a Tracer
                                          1. Virial Equilibrium
                                            1. Turbulence
                                          2. Gravitational Collapse and Fragmentation
                                            1. Jeans Instability
                                              1. Jeans Mass
                                                1. Jeans Length
                                                  1. Critical Conditions
                                                  2. Cloud Dynamics
                                                    1. Gravitational Collapse
                                                      1. Free-Fall Time
                                                        1. Fragmentation Process
                                                          1. Hierarchical Structure
                                                          2. Supporting Mechanisms
                                                            1. Thermal Pressure
                                                              1. Magnetic Fields
                                                                1. Turbulent Pressure
                                                                  1. Rotation
                                                                  2. Triggered Star Formation
                                                                    1. Shock Waves
                                                                      1. Stellar Feedback
                                                                        1. Cloud Collisions
                                                                      2. Protostellar Evolution
                                                                        1. Initial Collapse Phase
                                                                          1. Isothermal Collapse
                                                                            1. First Hydrostatic Core
                                                                              1. Second Collapse Phase
                                                                              2. Protostar Formation
                                                                                1. Central Object Formation
                                                                                  1. Accretion Process
                                                                                    1. Luminosity Evolution
                                                                                    2. Accretion Disks
                                                                                      1. Disk Formation
                                                                                        1. Viscous Evolution
                                                                                          1. Magnetorotational Instability
                                                                                            1. Disk Winds
                                                                                            2. Outflows and Jets
                                                                                              1. Bipolar Outflows
                                                                                                1. Herbig-Haro Objects
                                                                                                  1. Jet Collimation
                                                                                                    1. Momentum and Energy Injection
                                                                                                  2. Pre-Main-Sequence Evolution
                                                                                                    1. Evolutionary Tracks
                                                                                                      1. Hayashi Track
                                                                                                        1. Henyey Track
                                                                                                          1. Convective vs Radiative Phases
                                                                                                          2. T Tauri Stars
                                                                                                            1. Classical T Tauri Stars
                                                                                                              1. Weak-Line T Tauri Stars
                                                                                                                1. Variability
                                                                                                                  1. Stellar Winds
                                                                                                                  2. Herbig Ae/Be Stars
                                                                                                                    1. Intermediate-Mass Pre-Main-Sequence
                                                                                                                      1. Spectral Characteristics
                                                                                                                        1. Circumstellar Disks
                                                                                                                        2. Brown Dwarfs
                                                                                                                          1. Substellar Objects
                                                                                                                            1. Deuterium Burning
                                                                                                                              1. Cooling Evolution
                                                                                                                            2. Initial Conditions and Statistics
                                                                                                                              1. Initial Mass Function
                                                                                                                                1. Salpeter IMF
                                                                                                                                  1. Kroupa IMF
                                                                                                                                    1. Observational Determination
                                                                                                                                      1. Theoretical Predictions
                                                                                                                                      2. Star Formation Efficiency
                                                                                                                                        1. Global Efficiency
                                                                                                                                          1. Local Efficiency
                                                                                                                                            1. Feedback Effects
                                                                                                                                            2. Binary and Multiple Systems
                                                                                                                                              1. Binary Fraction
                                                                                                                                                1. Formation Mechanisms
                                                                                                                                                  1. Orbital Properties

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                                                                                                                                              3. Stellar Structure and Atmospheres

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                                                                                                                                              5. Stellar Evolution: Main Sequence Phase