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VISPA Workshop on the May 2, 1998 SEP event

VISPA Workshop on the May 2, 1998 SEP event. Solar event on May 2, 1998. Solar and interplanetary activity X-ray/optical flare: X1.1/3B NOAA AR8210 (S15, W15), 13:30 UT, May 2 Surface/near surface activity: EIT/Moreton wave, radio sources Halo CME 14:06 UT

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VISPA Workshop on the May 2, 1998 SEP event

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  1. VISPA Workshop on theMay 2, 1998 SEP event E. Valtonen

  2. Solar event on May 2, 1998 • Solar and interplanetary activity • X-ray/optical flare: X1.1/3B NOAA AR8210 (S15, W15), 13:30 UT, May 2 • Surface/near surface activity: EIT/Moreton wave, radio sources • Halo CME 14:06 UT • High-energy particles: injection 13:40-13:53 UT • Interplanetary shocks (@ 1 AU early on May 4) • ICME containing a magnetic cloud; trailed by a hot fast flow • (Geomagnetic activity + other near-Earth effects) E. Valtonen

  3. Widely studied event • Publications • Skoug et al., GRL 26, 161 (1999) • Wimmer-Schweingruber et al., GRL 26, 165 (1999) • Cohen et al., GRL 26, 2697 (1999) • Leske et al., GRL 26, 2993 (1999) • Warmuth et al., Sol. Phys. 194, 103 (2000) • Thompson et al., GRL 27, 1431 (2000) • Leblanc et al., JGR 105, 18215 (2000) • Pohjolainen et al., ApJ. 556, 421 (2001) • Burlaga et al., JGR 106, 20957 (2001) • Warmuth et al., ApJ. 560, L105 (2001) • Wang et al., ApJ. 572, 580 (2002) • Bamert et al., JGR 107, A7, 10029, SSH-6 (2002) • Farrugia et al., JGR 107, A9, 1240, SSH-3 (2002) • Torsti et al., ApJ. 600, L83 (2004) • Roussev et al., ApJ. 605, L73 (2004) • Kocharov et al., JGR 110, A12S03 (2005) • Kocharov et al., ApJ. 654, 1121 (2007) • Kocharov et al., ApJ. 659, 780 (2007) • Delanneé et al., A&A 465, 603 (2007) • Publications on the response of the Earth environment E. Valtonen

  4. Proton intensities May 2-6, 1998 E. Valtonen

  5. Helium intensities May 2-6, 1998 E. Valtonen

  6. EUV and soft X-rays May 2, 1998 E. Valtonen

  7. Coronal mass ejections May 2, 1998 Lasco C3 difference movie from May 2, 1998 with Wind/Waves radio data: http://cdaw.gsfc.nasa.gov/CME_list/daily_movies/1998/05/02/c3rdif_waves4laptop.html E. Valtonen

  8. May 2-3 Proton intensities mid-April – end of May 1998 E. Valtonen

  9. Today´s workshop topics • 10:30-11:15 Summary of SRL previous results (Leon) • 11:15-11:45 Electromagnetic emissions observed in the 2 May 1998 flare-CME event (Silja) • 12:45-13:30 SEP transport through proton-amplified waves (Timo) • 13:30-14:00 Instrumental issues (Oskari and Esa) • 14:00-15:00 Discussion and plans for future research of the 2 May 1998 and other SEP events (All) • 15:00-15:10 Conclusions and closing E. Valtonen

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