Tohban Report 2012-09-05

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Tohban Reports
Start Date: 29 Aug 2012
End Date: 5 Sep 2012
Tohban: Hugh Hudson
Tohban email:
Next Tohban: Claire Raftery <>
List all reports


Solar Activity

Some activity, even one rather spectacular filament-eruption event ([ C-class event), namely SOL2012-08-31T20:43. RHESSI had early-phase observations.

The full report is limited:

TIME RANGE:28-Aug-12 00:00:00.000 -- 04-Sep-12 00:00:00.000
Flares above B, C, M, X class were     14    42     1     0

Reason for this being that the QL pipeline has been interrupted since Aug. 28, and so there is no current report possible on RHESSI coverage. It is rapidly catching up, so next week's tohban (Claire) will have double duty...

Memory Management

Decimation was Active/Vigorous for the full week, with events turned off at night, except for 4 minutes at the start and end of spacecraft night.

Spacecraft Status

The spacecraft parameters are nominal. No HV commanding this week.

Data Gaps

Detector issues

Hazel has updated the detector pages e.g. G8. G8 rear-segment livetimes are occasionally very low, but the behavior is irregular.

Other notes

Decimation Active/vigorous
HLAT Decimation Rear decimation weight 6, no front decimation
Night time data (fronts) +/- 4 minutes
Night time data (rears) +/- 4 minutes
Require extra passes? No
Requirement for moving pointer? No
Attenuator operation Normal
Detector problems? See above
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