ASTROPHYSICS LABORATORY II
Academic Year 2017/2018 - 2° Year - Curriculum ASTROFISICACredit Value: 6
Scientific field: FIS/01 - Experimental physics
Taught classes: 28 hours
Laboratories: 30 hours
Term / Semester: 1°
Detailed Course Content
Determination of Stellar Parameters:
Radiation and matter interaction. Radiative Transfer Equation.
Stellar Atmospheres. Computations with Kurucz’s code ATLAS.
Continuum emission and spectral lines. Numerical solution of the RTE. Approximated RTE solution with IDL. Solution for stellar atmosphere with Kurucz’s code SYNTHE.
Determination of stellar parameters by comparison between observed spectra and numerical simulations: radial velocity, rotational velocity, Effective temperature, surface gravity, micro and macro turbulence, and chimica abundances.
Analisys of temporal variability:
Analisys of periodic signals.
Application to variable stars.
Textbook Information
Gray D.F., The observation and analysis of stellar spectra – Cambridge Astrophysics Series
Kitchin C.R., Astrophysical Techniques - Publisher Institute of Physics Publishing
Mihalas D., - Stellar Atmospheres. -San Francisco: W. H. Freeman & Company