Critical height

Left - shows a PIL averaged decay index profile versus height above the photosphere in Mm at the time of CME eruption with critical height as 61.47 Mm. Right - shows critical height over time for AR11158 with red and black dotted lines indicating CME onset and C2 time.
Left - shows a PIL averaged decay index profile versus height above the photosphere in Mm at the time of CME eruption with critical height as 61.47 Mm. Right - shows critical height over time for AR11158 with red and black dotted lines indicating CME onset and C2 time.
Harshita Gandhi
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Attribution (CC BY 4.0)