Lesson 1: Stellar Atmospheres 1

• Basic Radiation quantities
• Distribution function, Saha, Boltzmann
• Radiative Transfer equation

  Lesson 2: Stellar Atmospheres 2

• Statistical Equilibrium
• Ionization Balance
• Radiative and cooling rates
• Einstien Coefficients

  Lesson 3: Stellar Atmospheres 3

• Line Profiles
• Doppler Broadening
• Lorentz and Voigt Profiles
• Stellar Spectra

  Lesson 4: Stellar Atmospheres 4

• Hydrostatic equilibrium
• Hydromagnetic Effects
• Numerical Models.

  Lesson 5: Gas Dynamics 1

• Conservation Principles
• Mass, momentum, and energy equations

  Lesson 6: Gas Dynamics 2

• Shocks
• Ex. Adiabatic Shocks
• Ex. Isothermal Shocks

  Lesson 7: Winds 1

• Introduction to Stellar Winds
• Model of stellar winds
• P Cygn profiles
• Sobolev approximation

  Lesson 8: Winds 2

• Radiation pressure
• Winds from hot stars
• Winds from cool stars
• Model of Supernovae

  Lesson 9: ISM 1

• Molecules and their spectra: vib-rot, FIR, mm and radio emission
• Derivation of the Strömgren ionization equation

  Lesson 10: ISM 2

• Ionized Nebulae: line emission (recombination and coll. exc. lines)
• Hot thin gases

  Lesson 11: ISM 3

• Effects of cold gas and dust
• Atoms and the 21 cm line
• Cooling curve

  Lesson 12: ISM 4

• General Picture of the ISM
• Masers
• Coronae
• AGN
• Repetition

  RÖ1: Stellar Atmospheres

Download Problem Set 1.

  RÖ2: Gas Dynamics

Download Problem Set 2.

  RÖ3: ISM

Download Problem Set 3.

  Laboration: Analysing Spectra

Download Lab instruction.