University of Hawaii Instutute for Astronomy
 

Astronomy 623: Stellar Interiors and Evolution

  • Stellar properties: parallax, magnitude systems, colors, bolometric corrections, two-color plots, spectral analysis, H-R diagram, stellar populations, binary systems, stellar pulsations, sunspots
  • Thermal physics:  ideal gas law, basic thermodynamics, equation of state for ionized and partially ionized gas, particle velocity distribution, radiation pressure, degenerate matter
  • Hydrostatic equilibrium: central pressure and temperature, virial theorem, isothermal atmospheres, scale heights, polytropes
  • Radiative transport: Radiation flux and temperature gradient, opacity, Rosseland mean, Kramer's law, the new opacities
  • Introduction to convective instability: convective cell motion, heat transfer by convection, mixing length theory, overshoot, convective mixing
 
  • Fusion reactions: p-p chain, CNO cycle, triple alpha process, carbon burning
  • Numerical methods: shooting method, relaxation method, linearization, Lagrangian variables
  • Star formation: Jeans instability, fragmentation, core formation,  hydrostatic contraction
  • Main sequence: metallicity effects, evolutionary timescales
  • Post-main-sequence evolution, globular clusters, evolution of solar, high mass and low mass stars, population I and II
  • Testing evolution models, star cluster color-magnitude diagrams. Isochrones
  • High mass stars: heavy element creation, supernova events
  • Compact objects: white dwarfs, neutron stars, black holes.

This outline is representative only, and is likely to change from instructor to instructor and from year to year.

Recent instructors


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