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Major conjunction Feb 22 4:37 substorm 4:37 onset, 5:20 intensification 6:00- 7:30 substorm(s)

Major conjunction Feb 22 4:37 substorm 4:37 onset, 5:20 intensification 6:00- 7:30 substorm(s) 6:15 onset, 6:28, 6:42, 6:52, 7:12 intensifications 8:00-9:40 substorm(s) 8:18 onset, 8:28, 8:38 intensifications 9:02 onset, 9:30 intensification Vassilis, 2/25/2008. Ground Mags.

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Major conjunction Feb 22 4:37 substorm 4:37 onset, 5:20 intensification 6:00- 7:30 substorm(s)

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  1. Major conjunction Feb 22 • 4:37 substorm • 4:37 onset, 5:20 intensification • 6:00- 7:30 substorm(s) • 6:15 onset, 6:28, 6:42, 6:52, 7:12 intensifications • 8:00-9:40 substorm(s) • 8:18 onset, 8:28, 8:38 intensifications • 9:02 onset, 9:30 intensification Vassilis, 2/25/2008

  2. GroundMags

  3. Substorms 04:30-05:30UT

  4. P1 (TH-C) (key at back)

  5. P2 (TH-C) (key at back)

  6. P3 (TH-D) (key at back)

  7. P4 (TH-E) (key at back)

  8. P5 (TH-A) (key at back)

  9. Tailward beams/fluxropes P1 (TH-B) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  10. P2 (TH-C) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  11. P3 (TH-D) Ewd beams/flows ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  12. P4 (TH-E) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  13. P5 (TH-A) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  14. Tailward flows P1 (TH-B) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  15. Tailward flows P2 (TH-C) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  16. P3 (TH-D) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  17. P4 (TH-E) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  18. P5 (TH-A) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  19. Substorms 06:15-07:15 & 08:18-09:30

  20. P1 (TH-B) Tailward beams ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  21. P2 (TH-C) Ewd beams ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  22. P3 (TH-D) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  23. P4 (TH-E) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  24. P5 (TH-A) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  25. P1 (TH-B) Tailward beams ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  26. P2 (TH-C) Ewd beams ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  27. P3 (TH-D) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  28. P4 (TH-E) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  29. P5 (TH-A) ESA ion velocity, DSL coords Note: Y= dawnward, Z = south SST ions phi spec Note: -90deg = duskward Note: ne= northward-equatorial SST ions energy spec ESA ions energy spec SST electrons phi spec SST electrons energy spec ESA electrons energy spec ESA full dist. e- phi spec ESA reduced dist e- phi spec

  30. Backup slides

  31. Key

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