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Solar Physics

, Volume 273, Issue 2, pp 413–419 | Cite as

Electron Spikes, Type III Radio Bursts and EUV Jets on 22 February 2010

  • A. KlassenEmail author
  • R. Gómez-Herrero
  • B. Heber
Energy Storage and Release – Models Meet Radio Observations

Abstract

The Solar Electron Proton Telescope on board the twin STEREO spacecraft measures electrons and ions in the energy range from 30 to above 400 keV with an energy resolution better than 10%. On 22 February 2010 during a short interval of 100 minutes, a sequence of impulsive energetic electron events in the range below 120 keV was observed with the STEREO-A/SEPT instrument. Each of the four events was associated with a type III radio burst and a narrow EUV jet. All the events show nearly symmetric “spike”-like time profiles with very short durations ≃ 5 min. The estimated electron injection time for each individual event shows a small time delay between the electron spike and the corresponding type III radio emission and a close coincidence with an EUV jet. These observations reveal the existence of spike-like electron events showing nearly “scatter-free” propagation from the Sun to STEREO-A. From the time coincidence we infer that the mildly relativistic electrons are accelerated at the same time and at the same location as the accompanying type III emitting electrons and coronal EUV jets. The characteristics of the spikes reflect the injection and acceleration profiles in the corona rather than interplanetary propagation effects.

Keywords

Flares, dynamics Energetic particles, electrons Radio bursts, type III Jets 

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References

  1. Aurass, H., Klein, K.-L., Martens, P.C.H.: 1994, First detection of correlated electron beams and plasma jets in radio and soft X-ray data 1994. Solar Phys. 155, 203. doi: 10.1007/BF00670741. ADSCrossRefGoogle Scholar
  2. Bougeret, J.L., Goetz, K., Kaiser, M.L., Bale, S.D., Kellogg, P.J., Maksimovic, M., et al.: 2008, S/WAVES: The radio and plasma wave investigation on the STEREO mission. Space Sci. Rev. 136, 487. doi: 10.1007/s11214-007-9298-8. ADSCrossRefGoogle Scholar
  3. Chifor, C., Isobe, H., Mason, H.E., Hannah, I.G., Young, P.R., Del Zanna, G., et al.: 2008, Magnetic flux cancellation associated with a recurring solar jet observed with Hinode, RHESSI, and STEREO/EUVI. Astron. Astrophys. 491, 279. doi: 10.1051/0004-6361:200810265. ADSCrossRefGoogle Scholar
  4. Galvin, A.B., Kistler, L.M., Popecki, M.A., Farrugia, C.J., Simunac, K.D.C., Ellis, L., et al.: 2008, The plasma and suprathermal ion composition (PLASTIC) investigation on the STEREO observatories. Space Sci. Rev. 136, 437. doi: 10.1007/s11214-007-9296-x. ADSCrossRefGoogle Scholar
  5. Haggerty, D.K., Roelof, E.: 2009, Probing SEP acceleration processes with near-relativistic electrons. In: Ao, X., Burrow, R.H., Zank, G.P. (eds.) Shock Waves in Space and Astrophysical Environments, AIP, New York, 3 – 10. doi: 978-0-7354-0724-4. Google Scholar
  6. Howard, R.A., Moses, J.D., Vourlidas, A., Newmark, J.S., Socker, D.G., Plunkett, S.P., et al.: 2008, Sun Earth Connection Coronal and Heliospheric Investigation (SECCHI). Space Sci. Rev. 136, 67. doi: 10.1007/s11214-008-9341-4. ADSCrossRefGoogle Scholar
  7. Lin, R.P.: 1974, Non-relativistic solar electrons. Space Sci. Rev. 16, 189. ADSCrossRefGoogle Scholar
  8. Lin, R.P.: 1985, Energetic solar electrons in the interplanetary medium. Solar Phys. 100, 537. doi: 10.1007/BF00158444. ADSCrossRefGoogle Scholar
  9. Kahler, S., Aurass, H., Mann, G., Klassen, A.: 2007, Solar radio bursts and solar wind associations with inferred near-relativistic electron injections. Astrophys. J. 656, 567. doi: 10.1086/510230. ADSCrossRefGoogle Scholar
  10. Krucker, S., Larson, D.E., Lin, R.P., Thompson, B.J.: 1999, On the origin of impulsive electron events observed at 1 AU. Astrophys. J. 519, 864. doi: 10.1086/307415. ADSCrossRefGoogle Scholar
  11. Miteva, R., Mann, G., Vocks, C., Aurass, H.: 2007, Excitation of electrostatic fluctuations by jets in a flaring plasma. Astron. Astrophys. 461, 1127. doi: 10.1051/0004-6361:20053736. ADSzbMATHCrossRefGoogle Scholar
  12. Müller-Mellin, R., Böttcher, S., Falenski, J., Rode, E., Duvet, L., Sanderson, T., et al.: 2008, The Solar Electron and Proton Telescope for the STEREO mission. Space Sci. Rev. 136, 363. doi: 10.1007/s11214-007-9204-4. ADSCrossRefGoogle Scholar
  13. Nitta, N., Reames, V., DeRosa, M.L., Liu, Y., Yashiro, S., Gopalswamy, N.: 2006, Solar sources of impulsive solar energetic particle events and their magnetic field connection to the Earth. Astrophys. J. 650, 438. doi: 10.1086/507442. ADSCrossRefGoogle Scholar
  14. Rust, D.M., Haggerty, D.K., Georgoulis, M.K., Sheeley, N.R., Wang, Y., De Rosa, M.L., Schrijver, C.J.: 2008, On the solar origin of open magnetic fields in the heliosphere. Astrophys. J. 687, 635. doi: 10.1086/592017. ADSCrossRefGoogle Scholar
  15. Raulin, J.P., Kundu, M.R., Hudson, H.S., Nitta, N., Raoult, A.: 1996, Metric type III bursts associated with soft X-ray jets. Astron. Astrophys. 306, 299. ADSGoogle Scholar
  16. Suzuki, S., Dulk, G.A.: 1985, Bursts of type III and type V. In: McLean, D.J., Labrum, N.R. (eds.) Solar Radiophysics, Cambridge University Press, Cambridge, 289 – 332. Google Scholar
  17. Wang, Y.-M., Pick, M., Mason, G.M.: 2006, Coronal holes, jets, and the origin of He-rich particle events. Astrophys. J. 639, 495. doi: 10.1086/499355. ADSCrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  1. 1.Institut für Experimentelle und Angewandte PhysikUniversität KielKielGermany

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