Dr. Olgica Kuzmanovska, Professor
Course content:
• Basic characteristics of the radiation field.
• Interaction of radiation and matter. Absorption and emission coefficients.
• Approximation of local thermodynamic atmosphere (LTR). Radiative transfer equation. Border conditions. Formal solution of the radiative transfer equation.
• Continuum spectrum. Gray atmosphere approximation. Milne's integral equation. Hoff’s solution. Approximate solutions of the gray problem.
• Absorption coefficient in continuum spectrum. Chemical and physical conditions in stars atmospheres.
• Formation of spectral lines. Characteristics and profiles of spectral lines
• Absorption coefficient in spectral lines. Natural, Doppler and collisional broadening.
• Other mechanisms of spectral line broadening. Basic models of spectral line formation