vispa workshop on the may 2, 1998 sep event
DESCRIPTION
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 - PowerPoint PPT PresentationTRANSCRIPT
August 14, 2007 E. Valtonen
VISPA Workshop on theMay 2, 1998 SEP event
August 14, 2007 E. Valtonen
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)
August 14, 2007 E. Valtonen
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
August 14, 2007 E. Valtonen
Proton intensities May 2-6, 1998
August 14, 2007 E. Valtonen
Helium intensities May 2-6, 1998
August 14, 2007 E. Valtonen
EUV and soft X-rays May 2, 1998
August 14, 2007 E. Valtonen
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
August 14, 2007 E. Valtonen
Proton intensities mid-April – end of May 1998
May 2-3
August 14, 2007 E. Valtonen
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