Download - CIR Session Summary at Kennebunkport
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CIR Session Summary at Kennebunkport
Marty Lee
Durham, New Hampshire
USA
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CIR/SIR Survey (Lan Jian)
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Stream Interfaces
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GONG Plots
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STEREO CIRs/SIRs
•Variations on Timescale of Days
•25% of Events have Shock(s)
•Forward Shocks more Common than Reverse Shocks
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CIR Geometry
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Shocks at CIRs
•Shock Database (Kasper)
•Waves at Shocks (Blanco-Cano)
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Waves at CIR Shocks (Blanco)
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Corotating Ion Events
€
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
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Energetic Particles
•Effect of Current Sheets (Bucik)
•Energetic Particle Variations (Dresing)
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Energetic Particles (Dresing)
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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
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Geomagnetic Effects (Ian R.)