Solar and interplanetary activity since launch the secchi and impact view
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Solar and Interplanetary Activity since Launch – The SECCHI and IMPACT View. Volker Bothmer. Institut für Astrophysik der Universität Göttingen (IAG) 5th SECCHI Consortium Meeting, 5-9 March 2007. Currently nearing Solar Activity Minimum. Recurrent geomagnetic storms.

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Solar and Interplanetary Activity since Launch – The SECCHI and IMPACT View

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Solar and interplanetary activity since launch the secchi and impact view

Solar and Interplanetary Activity since Launch – The SECCHI and IMPACT View

Volker Bothmer

Institut für Astrophysik der Universität Göttingen (IAG)

5th SECCHI Consortium Meeting, 5-9 March 2007


Solar and interplanetary activity since launch the secchi and impact view

Currently nearing Solar Activity Minimum


Solar and interplanetary activity since launch the secchi and impact view

Recurrent geomagnetic storms


Solar and interplanetary activity since launch the secchi and impact view

Geomagnetic Activity shows a secondary enhancement in the declining phases of the sunspot cycle


Solar and interplanetary activity since launch the secchi and impact view

Geomagnetic Activity in 2006

as measured by the „Göttingen Solar Wind Monitor“ at L1-1.5 Mkm

(in operation since 1932)


Solar and interplanetary activity since launch the secchi and impact view

Solar Wind Stream Sources


Solar and interplanetary activity since launch the secchi and impact view

Geomagnetic Activity in 2006

showing a 4 sector structure and a seasonal pattern

1

2

3

4

Launch


Solar and interplanetary activity since launch the secchi and impact view

ACE Solar Wind Data in September/October 2006

2

3

4

1


Solar and interplanetary activity since launch the secchi and impact view

Solar Wind Stream Sources

2

3

4

1


Secchi first light observations euvi a and b

SECCHI First Light Observations EUVI A and B

December 4 December 12


Solar and interplanetary activity since launch the secchi and impact view

No major proton events in 2006 until December


Solar and interplanetary activity since launch the secchi and impact view

Geomagnetic Activity in 2006

One major (Kp ge. 8-) storm in December 2006


Solar and interplanetary activity since launch the secchi and impact view

December 2006 Event


Solar and interplanetary activity since launch the secchi and impact view

December 2006 Event


Solar and interplanetary activity since launch the secchi and impact view

December 2006 Event – IMPACT Observations


Solar and interplanetary activity since launch the secchi and impact view

ACE Solar Wind data for the December 2006 event


Solar and interplanetary activity since launch the secchi and impact view

Geomagnetic Storms / year g.e. 8-


Solar and interplanetary activity since launch the secchi and impact view

Geomagnetic Activity in 2007


Solar and interplanetary activity since launch the secchi and impact view

Minimum Expected Mid to End of this Year

STEREO Launch


Solar activity and major geomagnetic storms

Solar Activity and major geomagnetic storms

The most intense storms since 1940


Solar and interplanetary activity since launch the secchi and impact view

Since Individual Major Storms can occur at any given time – Stay tuned


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