CIR Session Summary at Kennebunkport Marty Lee Durham, New Hampshire USA.

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Presentation transcript:

CIR Session Summary at Kennebunkport Marty Lee Durham, New Hampshire USA

CIR/SIR Survey (Lan Jian)

Stream Interfaces

GONG Plots

STEREO CIRs/SIRs Variations on Timescale of Days 25% of Events have Shock(s) Forward Shocks more Common than Reverse Shocks

CIR Geometry

Shocks at CIRs Shock Database (Kasper) Waves at Shocks (Blanco-Cano)

Waves at CIR Shocks (Blanco)

Corotating Ion Events Reames et al., 1997 Fisk and Lee, 1980

Energetic Particles Effect of Current Sheets (Bucik) Energetic Particle Variations (Dresing)

Energetic Particles (Dresing)

ratios wrt O for two cirs: left: CIR example showing spectral break, notice that the abundances not not change noticeably even though the intensities change by a factor of 10^8 over the range shown; right: CIR with just a steep spectrum, also see no significant changes over a smaller energy range. Compare with Cohen et al JGR SEP event energy ranges; offset factors of 10 for various elements are same as in figure with plot of X/O vs Fe/C. INSET BOX: average of all 41 events for Fe/O, shows same small systematic rise from low to higher energies Ratios of heavy ion abundances show that spectral forms are virtually identical for species with a wide range if Q/M values intensities change by a factor of ~10^8 over range shown Mason et al., ApJ., 678, 1458, 2008

Geomagnetic Effects (Ian R.)