Solar and Stellar Granulation

Abstract

Workshop Introduction.- 1: Observational Techniques.- Observations of the Solar Granulation at the Pic Du Midi Observatory and with THEMIS.- The Gregory-Coude-Telescope at the Observatorio Del Teide, Tenerife.- The Status of the Latest German Solar Facility on Tenerife.- Ground-Based Tunable Filter Observations.- An Overview of the Orbiting Solar Laboratory.- Solar Image Restoration by Adaptive Optics.- Improving Solar Image Quality by Image Selection.- Reconstruction from Focal Volume Information.- Granulation in the Photospheres of Stars.- Solar Granulation Speckle Interferometry Using Cross-Spectrum Techniques.- Active Optics, Anisoplanatism, and the Correction of Astronomical Images.- On Pressure Shifts of Fel Lines in Stellar Atmospheres.- Pressure Broadening and Solar Spectral Line Bisectors.- 2: Observations.- Solar Granulation: Overview.- Line Shifts in the Infrared Spectra of Late-Type Stars.- Asymmetry of Absorption Lines in the Solar and Procyon Spectra.- Line Asymmetries in Late-Type Dwarf Photospheres.- Challenges and Opportunities in Stellar Granulation Observations.- High Resolution Granulation Observations from La Palma: Techniques and First Results.- Spatially Resolved Spectra of Solar Granules.- Granulation Line Asymmetries.- Granulation and Waves?.- High Resolution Diagnostic of the Mesocells in the Solar Temperature Minimum Region.- Pole-Equator Difference of the Size of the Chromospheric Ca II-K Network in Quiet and Active Solar Regions.- Temperature Waves and Solar Granulation.- Flows, Random Motions and Oscillations in Solar Granulation Derived 225 the SOUP Instrument on Spacelab 2.- Granulation In and Out of Magnetic Regions.- Observation and Interpretation of Photospheric Line Asymmetry Changes near Active Regions.- Line Bisectors In and Out Magnetic Regions.- RMS Velocities in Solar Active Regions.- Report on the Session: Position and Discussion - Solar Data.- The Limb Effect of the KI 769.9 nm Line in Quiet Regions.- Vortex Motion of the Solar Granulation.- The Granulation Sensitivity of Neutral Metal Lines.- Granule Lifetimes and Dimensions as Function of Distance from a Solar Pore Region.- Spatio-Temporal Analysis of Waves in the Solar Atmosphere.- On the Granule Lifetime Near and Far Away from Sunspots.- Observations of High Frequency Waves in the Solar Atmosphere.- Photoelectric Analysis of the Solar Granulation in the Infrared.- Constraints Imposed by Very High Resolution Spectra and Images on Theoretical Simulations of Granular Convection.- The Variation of the Mean Size of the Photospheric Granules Near and Far from a Sunspot.- Abnormal Granulation.- Supergranular Pattern Formed by the Large Granules.- Details of Large Scale Solar Motions Revealed by Granulation Test Particles.- 3: Modelling.- Convection and Waves.- How Much Can Theoretical Models of Compressible Convection Tell Us about Solar Granulation?.- Two and Three-Dimensional Simulations of Compressible Convection.- Spectroscopic Properties of Solar Granulation obtained from 2-D Numerical Simulations.- On the Influence of Opacity Fluctuations on the Energy Transfer by Radiation.- Simulating Magnetoconvection.- Time Dependent Compressible Magnetoconvection.- Models of Magnetic Flux Sheets.- Stellar Granulation: Modeling of Stellar Surfaces and Photospheric Line Asymmetries.- Three-Dimensional Simulation of Convective Motions in the Procyon Envelope.- Numerical Simulations of Gas Flows in an A-Type Stellar Atmosphere.- Inhomogeneous Chromospheric Structures in the Atmosphere of Arcturus Generated by Acoustic Wave Propagation.- Interaction of Solar Granulation with Weak and Strong Magnetic Fields.- Granulation and the NLTE Formation of K I 769.9.- The Effects of Inhomogeneities in 3-D Models on Abundance Determinations.- 2-D Flux Tube in Radiative Equilibrium.- Isolated Magnetohydrodynamic Thermal Eddies in a Thermally Stratified Fluid.- What Do the Mg II Lines Tell Us About Waves and Magnetic Fields?.- A Simple Model of Mesogranular and Supergranular Flows.- Probing of Sunspot Umbral Structure by Oscillations.- Workshop Impressions.- Granulation Bibliography (compiled by K.L. Harvey).