Mode identification using Corot exo-planetary colours Rafael Garrido IAA, Granada (Spain) Rafael Garrido IAA, Granada (Spain) Juan Carlos Suárez IAA, Granada (Spain) Caroline Barban KU, Leuven (Belgium) Andy Moya, Marc Antoine Dupret & Marie-Jo Goupil UMR, 8109 Paris-Meudon (France) Ahmed Grigahcene Algiers Observatory (Algeria)

Toulouse May 2005 Corot Week 8 Non-adiabatic computations Surface distortion Local effective temperature variation Local effective gravity variation New equilibrium atmospheric models (Heiter et al. A&A 392, ) (Barban et al. A&A 405, ) Watson, R.D ApSS 140, 255

One layer approximation One layer approximation Temperature distribution: Monochromatic Flux: Limb darkening: Radiative equilibrium in the local atmosphere Radiative equilibrium in the local atmosphere Dupret et al A&A 398, 677 Moya et al A&A 414, 1081 Non-adiabatic models:

Toulouse May 2005 Corot Week 8 Hydrodynamic equations Mean equations Convective fluctuations equations Equations of linear non-radial non-adiabatic oscillations Correlation terms Perturbation Convection – pulsation interaction: Gabriel´s theory Convective flux Reynolds stress Turbulent kinetic energy dissipation Perturbation of

Toulouse May 2005 Corot Week 8 δ Scuti Stars Amplitudes Grigahcene et al A&A 434, 1055 Dupret et al A&A 414, L17 Dupret et al A&A 435, 927 M=1.8 Mo

Toulouse May 2005 Corot Week 8 δ Scuti Stars Phases M=1.8 Mo Grigahcene et al A&A 434, 1055 Dupret et al A&A 414, L17 Dupret et al A&A 435, 927

Toulouse May 2005 Corot Week 8 δ Scuti Stars Strömgren photometry Grigahcene et al A&A 434, 1055 Dupret et al A&A 414, L17 Dupret et al A&A 435, 927

Toulouse May 2005 Corot Week 8 γ Doradus Stars Amplitudes Grigahcene et al A&A 434, 1055 Dupret et al A&A 414, L17 Dupret et al A&A 435, 927

Toulouse May 2005 Corot Week 8 γ Doradus Stars Amplitudes Grigahcene et al A&A 434, 1055 Dupret et al A&A 414, L17 Dupret et al A&A 435, 927

Toulouse May 2005 Corot Week 8 Moya, Garrido and Dupret, 2004 A&A 414, 1081

Toulouse May 2005 Corot Week 8

Toulouse May 2005 Corot Week 8

Toulouse May 2005 Corot Week 8 Daszynska-Daszkiewicz et al A&A 392, 151

Toulouse May 2005 Corot Week 8 Palle et al. 2002, ASP. Conf., Porto

Toulouse May 2005 Corot Week 8 CONCLUSIONS EXOPLANET COLOURS CAN SUPPLY A KEY FOR MODE IDENTIFICATION A KEY FOR MODE IDENTIFICATION RELEVANT INFORMATION ON: RELEVANT INFORMATION ON: MODEL ATMOSPHERES LIMB DARKENING NON-ADIABATIC PHENOMENA CONVECTION ROTATION