Monday 30^th July afternoon:

14h-14h45: Radiative transfer in stellar atmospheres (J. Kubat)

14h45-15h30: Solution of the radiative transfer equation (RTE) in NLTE stellar atmospheres (J. Kubat)

16h-17h30: Radiative transfer: methods and acuracy (L. Chevallier)

Tuesday 31^st July morning:

9h-9h45 : Stellar atmospheres (L. Mashonkina) and introductory talk on trace elements and codes

9h45-10h30: Statistical Equilibrium for trace elements in stellar atmospheres (J. Kubat)

11h-12h30: Atomic Data: Energy levels, quantum defects, Hydrogen wave function, Configuration Interaction, Close-coupling, Born, distorted wave, R-matrix, Photoionisation, Resonances, Dielectronic Recombination. (K. Butler)

Tuesday 31^st July afternoon:

14h-14h30: Collisional cross-sections (L. Mashonkina)

14h35-15h40: Oscillator strengths and their uncertainties (G. Wahlgren)

Wednesday 1st August: Practical exercises all day long (No talks)

Thursday August 2^nd morning:

9h-9h30: General considerations for model atom constructions. Availability of model atoms in the literature. (N. Przybilla)

9h35-10h30: Line profiles: line broadening, resonance broadening, Van der Waals broadening. (L. Mashonkina and K. Butler, talks linked to speaker names)

11h-12h: NLTE analysis of spectra I (I. Kamp)

Friday August 3^rd morning:

9h-9h30: Background opacities (I. Kamp)

9h35-10h30: Databases + discussions (G. Wahlgren)

11h00-12h10: NLTE analysis of spectra II (N. Przybilla)

• Stellar parameters determination: classical methods

• Stellar parameters determination: Non-LTE considerations

Saturday August 4^th morning:

9h-11h15: NLTE analysis of spectra III

• Mechanisms of departure from LTE (L. Mashonkina)

• Departures from LTE in hot stars (N. Przybilla)

• Departures from LTE in CP stars (L. Mashonkina)

• Departures from LTE in metal poor stars (L. Mashonkina)

• Non-LTE line formation in the infrared (N. Przybilla)

11h30-12h30: Conclusions of the Workshop. Future prospects.