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

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f ~ (r / rs)(2 /(R−1))+V /(κ 0v)

×v−3R /(R−1) exp[−6κ 0vR /(V (R −1)2)]

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 bya 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. 2005 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 smallsystematic rise from low to higher energies

Ratios of heavy ion abundances show that spectralforms are virtually identical for species with a wide

range if Q/M values

intensities change by a factor of ~10^8 over range shownMason et al., ApJ., 678, 1458, 2008

Geomagnetic Effects (Ian R.)