Chapters 4, 5 and 6 up to equation (6-4).  You must also know things in
chapters 1 thru 3.

Problems: # 70, 72, 74, 76, 80, 88, 90, 92, 94, 101, 103, 105, 106, 110, 121, 123,
                      126, 128, 144, 146, 151, & 156.

Topics (Some overlap with test 1):

Laws of radiation: Stefan-Boltzmann Law, Wien's Law, and Planck's Law. Planckian or
Black Body radiation curves.
Kirchhoff' Laws of spectroscopy (Three kinds of spectra).
Determining Stellar Temperatures.
Color magnitudes.
Color indices and relation to temperature.
Bohr Atom and energy levels
Bohr' Equation: E_n= 2(pi)²mZ²e⁴/n²h².=-13.6/n² for hydrogen.
Balmer Formula (for wavelengths of lines in a series)
The different spectral line series for hydrogen.  Grotrian Diagram.
Modes of excitation and ionization.
Kinetic Theory: 0.5mv² =3kT/2, concept of kinetic temperature.
Maxwell-Boltzmann velocity distribution function for temperature T.
The 3 different speed statistics.
Thermal Excitation Equilibrium and the Boltzmann Equation.
Partition Function
Thermal Ionization; Saha Equation
Combined Boltzmann and Saha equations.
Stellar spectra and the production of absorption lines.
Principle of spectrochemical analysis.  Chemical composition of stars
Doppler Effect, Doppler relation, and use.
Effect of Stellar rotation on spectral lines.
Factors contributing to the width, depth and strength of spectral lines.
Equivalent Width.
Radiation Transfer Equation, optical depth, absorption coefficient.
Theory of line formation; line broadening
Hydrostatic equilibrium
Molecular weights and mass fractions.
Curve of growth
Energy transport
pp-chain
Principles of stellar evolution.
Kumar limit and brown dwards
Russell Vogt theorem
ZAMS
Virial theorem
Anything else that sounds awesome.

Equations to memorize:

4-1, 4-3, 4-8, 4-21, 4-57,  4-76, 4-80, 5-1, 5-5, 5-6, 5-9, 5-13, 5-21, 5-22,  5-65.

Remarks:

Last Edited: 04/10/2009 at 17:40.

End of File