Helioseismology in Space Weather - National Solar Observatory
Helioseismology in Space Weather - National Solar Observatory
Helioseismology in Space Weather - National Solar Observatory
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Emerg<strong>in</strong>g Active RegionsDeep focus<strong>in</strong>g travel time maps ofthe Active Region 10488 The focusdepth for these measurements covers40-70 Mm. The color scale <strong>in</strong> thetravel time maps covers theperturbation range 0 (blue) to -15(red) seconds.The maximum time shiftmagnitude is observed at around1:30 UT, October 26.The magnetic fields before and afterthe emergence time and thecont<strong>in</strong>uum image for a later time arepresented <strong>in</strong> the last three panels ofthe bottom row.Courtesy of Shukur Kholikov (<strong>Solar</strong> Physics accepted)
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