What’s happened to our Solar Minimum? H. Hudson

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Presentation transcript:

What’s happened to our Solar Minimum? H. Hudson

SSL March 11, /5

SSL March 11, /5 Leif Svalgaard’s view of “Now” Where do the minima in TSI come from? Is F10.7 now showing an increase; if so, what is the mechanism? Why doesn’t TSI correlate with the wee spots that do appear?

SSL March 11, /5 F10.7 comparisons of minima

SSL March 11, /5 Conclusions Viewed simplistically on just the basis of F10.7, we are many sigma overdue The behavior of the standard indices during the minimum does is not following the script very well For  -ray flare occurrence, it may not matter much - see ApJ 663, L45 (2007)