SDO/HMI Products From Vector Magnetograms

1. SDO/HMI Products From Vector Magnetograms Yang Liu – Stanford University yliu@solar.stanford.edu

2. Global Helioseismology Processing HMI Data Processing Data Product Science Objective Tachocline Internal rotation Ω(r,Θ) (0<r<R) Meridional Circulation Local Helioseismology Processing Filtergrams Internal sound speed, cs(r,Θ) (0<r<R) Differential Rotation Near-Surface Shear Layer Full-disk velocity, v(r,Θ,Φ), And sound speed, cs(r,Θ,Φ), Maps (0-30Mm) Activity Complexes Active Regions Carrington synoptic v and cs maps (0-30Mm) Sunspots Doppler Velocity Irradiance Variations High-resolution v and cs maps (0-30Mm) Observables Deep-focus v and cs maps (0-200Mm) Flare Magnetic Configuration Line-of-sight Magnetograms Flux Emergence Far-side activity index Magnetic Carpet Line-of-Sight Magnetic Field Maps Vector Magnetograms Coronal energetics Large-scale Coronal Fields Vector Magnetic Field Maps Solar Wind Continuum Brightness Coronal magnetic Field Extrapolations Far-side Activity Evolution Predicting A-R Emergence Coronal and Solar wind models IMF Bs Events Version 1.0w Brightness Images HMI Science Analysis Plan Magnetic Shear

3. “structure minimization” method (Georgoulis et al, 2004). “minimum” energy method (Metcalf, 1994). 1. Optimization approach (Wheatland et al, 2000); 2. Boundary element method (Yan & Sakurai, 2000). 1. ILCT (Welsch et al, 2004), 2. “The minimum energy fit” (Longcope, 2004), 3. “induction equation” (Kusano et al, 2002). Coronal magnetic fields. (NLFFF, MHD) Plasma flow. Synoptic maps. PFSS & HCCSSS models Connectivity & separatrix Heliospheric magnetic field. Energy flux through the photosphere. Helicity flux through the photosphere. MHD simulation Topology structure Dynamical evolution. Surface flow effect Emerging flux effect Solar transients Prediction of IMF & solar wind speed. Empirical estimate; MHD simulation. MHD simulation