Stellar Astronomy and Astrophysics

  1. Measurable Properties of Stars
    1. Stellar Brightness and Luminosity
      1. Apparent Magnitude
        1. Magnitude Scale Definition
          1. Pogson's Equation
            1. Effects of Distance
              1. Interstellar Extinction
                1. Atmospheric Extinction
                2. Absolute Magnitude
                  1. Definition and Calculation
                    1. Standard Distance
                      1. Distance Modulus
                      2. Luminosity
                        1. Definition and Units
                          1. Bolometric Luminosity
                            1. Bolometric Correction
                              1. Luminosity Function
                                1. Mass-Luminosity Relation
                              2. Stellar Distance Determination
                                1. Trigonometric Parallax
                                  1. Parallax Angle Measurement
                                    1. Annual Parallax
                                      1. Limitations and Accuracy
                                        1. Space-based Parallax Missions
                                        2. Spectroscopic Parallax
                                          1. Spectral Type Classification
                                            1. Luminosity Class Determination
                                              1. Main Sequence Fitting
                                                1. Distance Estimation Process
                                                2. Standard Candles
                                                  1. Cepheid Variables
                                                    1. Period-Luminosity Relation
                                                      1. Instability Strip
                                                      2. RR Lyrae Stars
                                                        1. Horizontal Branch Stars
                                                          1. Distance to Globular Clusters
                                                          2. Type Ia Supernovae
                                                            1. Thermonuclear Explosions
                                                              1. Cosmological Applications
                                                            2. Statistical Methods
                                                              1. Moving Cluster Method
                                                                1. Secular Parallax
                                                                  1. Kinematic Parallax
                                                                2. Stellar Temperature
                                                                  1. Blackbody Radiation Theory
                                                                    1. Planck Function
                                                                      1. Energy Distribution Curves
                                                                        1. Rayleigh-Jeans Approximation
                                                                          1. Wien Approximation
                                                                          2. Wien's Displacement Law
                                                                            1. Peak Wavelength Determination
                                                                              1. Temperature Calibration
                                                                              2. Stefan-Boltzmann Law
                                                                                1. Total Energy Output
                                                                                  1. Luminosity-Temperature Relation
                                                                                  2. Color Temperature
                                                                                    1. Color Index
                                                                                      1. Photometric Color Indices
                                                                                        1. Temperature Calibration
                                                                                          1. Reddening Effects
                                                                                          2. Effective Temperature
                                                                                            1. Measurement Methods
                                                                                              1. Relationship to Surface Temperature
                                                                                            2. Stellar Spectra and Classification
                                                                                              1. Spectral Formation
                                                                                                1. Continuous Spectra
                                                                                                  1. Emission Spectra
                                                                                                    1. Absorption Spectra
                                                                                                      1. Formation Mechanisms
                                                                                                      2. Spectral Classification Systems
                                                                                                        1. Harvard Spectral Classification
                                                                                                          1. O-type Stars
                                                                                                            1. B-type Stars
                                                                                                              1. A-type Stars
                                                                                                                1. F-type Stars
                                                                                                                  1. G-type Stars
                                                                                                                    1. K-type Stars
                                                                                                                      1. M-type Stars
                                                                                                                      2. Temperature Ranges
                                                                                                                        1. Key Spectral Features
                                                                                                                          1. Spectral Subtypes
                                                                                                                          2. Luminosity Classes
                                                                                                                            1. Yerkes Classification System
                                                                                                                              1. Supergiants
                                                                                                                                1. Bright Giants
                                                                                                                                  1. Giants
                                                                                                                                    1. Subgiants
                                                                                                                                      1. Main Sequence Stars
                                                                                                                                        1. White Dwarfs
                                                                                                                                        2. Chemical Composition Analysis
                                                                                                                                          1. Spectral Line Identification
                                                                                                                                            1. Abundance Determination
                                                                                                                                              1. Curve of Growth Analysis
                                                                                                                                                1. Model Atmosphere Fitting
                                                                                                                                                2. Stellar Atmospheres and Line Formation
                                                                                                                                                  1. Atmospheric Structure
                                                                                                                                                    1. Local Thermodynamic Equilibrium
                                                                                                                                                      1. Non-LTE Effects
                                                                                                                                                        1. Line Broadening Mechanisms
                                                                                                                                                          1. Natural Broadening
                                                                                                                                                            1. Doppler Broadening
                                                                                                                                                              1. Pressure Broadening
                                                                                                                                                                1. Stark Broadening
                                                                                                                                                                  1. Zeeman Effect
                                                                                                                                                              2. Stellar Mass Determination
                                                                                                                                                                1. Binary Star Systems
                                                                                                                                                                  1. Visual Binaries
                                                                                                                                                                    1. Spectroscopic Binaries
                                                                                                                                                                      1. Eclipsing Binaries
                                                                                                                                                                        1. Astrometric Binaries
                                                                                                                                                                        2. Orbital Mechanics
                                                                                                                                                                          1. Kepler's Laws
                                                                                                                                                                            1. Center of Mass
                                                                                                                                                                              1. Mass Function
                                                                                                                                                                                1. Orbital Elements
                                                                                                                                                                                2. Mass-Luminosity Relation
                                                                                                                                                                                  1. Empirical Relations
                                                                                                                                                                                    1. Theoretical Basis
                                                                                                                                                                                      1. Mass Limits
                                                                                                                                                                                    2. Stellar Radius and Size
                                                                                                                                                                                      1. Direct Measurement Methods
                                                                                                                                                                                        1. Interferometry
                                                                                                                                                                                          1. Angular Diameter Measurement
                                                                                                                                                                                            1. Limb Darkening
                                                                                                                                                                                            2. Eclipsing Binary Analysis
                                                                                                                                                                                              1. Light Curve Modeling
                                                                                                                                                                                                1. Contact Times
                                                                                                                                                                                                  1. Stellar Radii Determination
                                                                                                                                                                                                  2. Indirect Methods
                                                                                                                                                                                                    1. Stefan-Boltzmann Law Application
                                                                                                                                                                                                      1. Surface Brightness Relations
                                                                                                                                                                                                        1. Asteroseismology
                                                                                                                                                                                                      2. The Hertzsprung-Russell Diagram
                                                                                                                                                                                                        1. Construction and Axes
                                                                                                                                                                                                          1. Luminosity vs Temperature
                                                                                                                                                                                                            1. Color-Magnitude Diagrams
                                                                                                                                                                                                              1. Logarithmic Scales
                                                                                                                                                                                                              2. Main Stellar Populations
                                                                                                                                                                                                                1. Main Sequence
                                                                                                                                                                                                                  1. Red Giant Branch
                                                                                                                                                                                                                    1. Horizontal Branch
                                                                                                                                                                                                                      1. Asymptotic Giant Branch
                                                                                                                                                                                                                        1. White Dwarf Sequence
                                                                                                                                                                                                                        2. Evolutionary Tracks
                                                                                                                                                                                                                          1. Zero-Age Main Sequence
                                                                                                                                                                                                                            1. Post-Main-Sequence Evolution
                                                                                                                                                                                                                              1. Isochrones
                                                                                                                                                                                                                              2. Applications
                                                                                                                                                                                                                                1. Stellar Age Determination
                                                                                                                                                                                                                                  1. Distance Estimation
                                                                                                                                                                                                                                    1. Cluster Analysis
                                                                                                                                                                                                                                      1. Population Synthesis