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vk3pa
Deceased
   
Australia
1714 Posts |
Posted - 10 Mar 2006 : 04:53:55 AM
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The total Interplanetary magnetic field at the L1 point (ACE) increased this morning to 8nT. B_z stayed positive. As a consequence, there were no geomagnetic disturbances. If B_z becomes negative, active conditions are possible. This feature seen in the ACE-data is possibly the signature of the interaction region that comes before the actual fast coronal hole wind stream. This coronal hole is recurrent. Flaring activity is small.
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