Stellar atmospheres (part IV)

23 Março 2020, 13:00 Israel Matute Troncoso

Spectral line profiles

  • Line depth, Equivalent width (EW) & FWHM.

Origin of spectral line broadening:

  • Natural broadening (Lorentz profile).

  • Doppler broadening (Gaussian profile).

  • Pressure broadening (Lorenz profile.

Curve of growth.

Abundances.