Tohban Report 2012-01-04

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Tohban Reports
Start Date: 28 Dec 2011
End Date: 4 Jan 2012
Tohban: Pascal Saint-Hilaire
Tohban email:
Next Tohban: Lyndsay Glesener
List all reports


Solar Activity

There were quite a bit of C-flares (54, according to GOES) and a few M-flares this week. The flaring activity appears to have quieted down in the past couple of days (GOES baseline: ~B4 level), but there are still six active regions on the disk.

How many GOES flares occurred?

 Flares above B, C, M, X class were     12    54     5     0

And how many of these are listed in the RHESSI flare list?

 Flares above B, C, M, X class were      4    32     2     0

And how many had EXCELLENT coverage?

 Flares above B, C, M, X class were      4    21     1     0

There were RHESSI flares/GOES flares 229 / 71 over the time range 27-Dec-11 03-Jan-12


The SSR fill level indicated 0% at the end of the daily pass sets during this week. (Current decimation scheme: Norm/Vig. No rear data taken during eclipse.)

Data Gaps

No data gaps of note this week either, at least until yesterday.

Detector issues

This has probably been mentioned before, but I will point out that G5 (front) has a lot less counts than the other detectors during flares (according to slow monitor rates plots). Ex: No spike of note that I could find.

Other stuff: (CP2 temperature, etc.) appears nominal. CPC down to 40C.


There seem to be no State-of_Health plots generated since Dec. 20th.

There seem to have been a hiccup in the generation of Observing Summary fits files and plots since Dec 29th. Jim has been warned, and they are currently being generated.

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