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ESS 261 – Topics in Magnetospheric Plasma Physics M(W) 9:30am-12 noon; Geology 4677 Each lecture will consist of instruction and in-class computer training Instructor: Vassilis Angelopoulos (x 4-7090, office: Geology 2712, Office Hours Tue 1-3pm Date 3/30 4/6 Topic Organization, Introduction to Methods and Tools Overview Data formats (CDF, Ascii, Flatfiles) and tools Error analysis Probability distributions Binning and histograms Superposed Epoch, Medians, Quartiles Introduction to Fortran, IDL Time Series Analysis, Access to Datasets Reprocessing, Calculating Quantities o Time formats, Spike and Gap Removal o Resampling, Fitting, Detrending o Running average and decimation o Interpolation on common time format o Computing of higher order quantities Correlations and cross-correlations Access to datasets and models: o SPDF, NSSDC, PDS, Distributed datasets Time series analysis and correlations using IDL Homework #1, Due next class 4/13 Coordinate systems, Magnetospheric Models Geophysical coordinate systems o GSM, GSE, SM, MAG, GEO, ECI, GEI o GLAT/LON, MLT/MLAT, CGMLAT/LON Time formats o UT and Leap seconds, J2000, EME2000 Spinning and despun spacecraft coordinate systems o Local Instrument System, Spacecraft Geometric, Spacecraft Principal Axis, Spacecraft Despun Systems Magnetospheric models o Dipole, IGRF and Magnetic mapping o Tsyganenko T89, T91, T96 and mapping FORTRAN/IDL access/use of models and routines Homework #2, Due next class 4/20 Waves and Discontinuities Fourier Series and Wavelet Analysis Wave Polarization, Ellipticity Minimum Variance Analysis Rankine-Hygoniot Relations, Coplanarity Shock Normal, Shock Propagation Speed Homework #3, Due next class 4/28 Access and use of Magnetic Field Data Operation Principles Calibration and Remnant Noise Sources Despinning: Ground and On-Board Alias, Filtering Amplitude/Phase Frequency Response, Matching Access and Use of Data from Various Regions o Solar Wind, Magnetosphere (Earth, Jupiter), Ionosphere, Ground Homework #4, Due next class 5/4 Access and use of Electric Field Data Operation Principles Offsets and Noise Sources Despinning: Ground and On-Board Amplitude/Phase Frequency Response Data Products (Voltages, Spacecraft Potential, Efield) Access, Use and Pitfalls of Data Analysis in Various Regions o Solar Wind, Magnetosphere, Plasmasphere Homework #5, Due next class 5/11 Distribution Functions and Low Energy Particles Particle Distribution Functions and Moments From Counts/Second to Distribution Functions Geometric Factor, Response Function Decommutation, Level 0 Processing, Angle-Energy Maps and Instrument Modes Sources of Background Noise, Aliasing and Other Spurious Signals Viewing and Analysis of Distribution Functions Background Removal, Moment Computation Access, Use and Pitfalls of Analysis in: Solar Wind, Magnetosphere, Plasmasphere Homework #6, Due next class 5/18 Boundary Remote Sensing and Energetic Particles Energetic Particle Instruments: Operation and Data Products Geometric Factor, Response Function at Low and High Energies Contamination: Sunlight, Earth-glow, Neutrals, Electronic Noise, Background Radiation; Detector Capacitance and Leakage Current. Data Viewing, Removal of Noise and Analysis of Distribution Functions Access, Use and Pitfalls of Analysis in Various Regions: Solar Wind, Magnetosphere, Radiation Belts and Ring Current Remote Sensing of Particle Gradients: Magnetopause, Inner Magnetosphere and Low Frequency Waves Homework #7, Due next class 5/25 5/28 6/1 6/1 Memorial Day (no class, makeup below) Access and use of Auroral Imaging Data Auroral Optical Properties and Operations Principles of Optical Detectors Imaging from Space Platforms and from the Ground Tomographic Reconstruction Altitude Emission Profile and Precipitating Electron Energy Analysis Tools for Image Processing o Mosaics: Scaling, Overlapping and Movies o Time-Series Analysis of Spatially Integrated Light Intensity Examples of Auroral Image Processing from Space, Ground Multi-Instrument, Multi-Spacecraft Techniques MHD Electric Field from Particle Velocity, Particle Currents Total Density Computation from Various Sources Total Pressure and Comparison with Expected Magnetopause Pressure Time-delay Analysis for Boundary/Wave Propagation Inter-spacecraft Calibration of Particles and Fields Data Vorticity and Current from Multiple Spacecraft Take Home Exam due Monday 6/8