Tohban Report 2016-12-07

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Tohban Reports
Start Date: 30 November 2016
End Date: 7 December 2016
Tohban: Juan C. Martinez Oliveros
Tohban email:
Next Tohban: Mitsuo Oka
List all reports


Solar Activity

Solar activity during the week continued at low levels. Currently, there are only two active regions on disk. There is a large coronal hole on disk. Solar activity is expected to continue at very low levels, with a chance for C-class flares all three days (07-09 Dec).

How many GOES flares occurred?

 Flares above B, C, M, X class were     30     8     0     0

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

 Flares above B, C, M, X class were     20     3     0     0

And how many had EXCELLENT coverage?

 Flares above B, C, M, X class were     17     3     0     0

There were RHESSI flares/GOES flares 62 / 38 over the time range 30-Nov-16 07-Dec-16

Memory Management

The SSR reached a maximum of ~34 percent during the week.

Spacecraft Status

Detectors 3 and 9 are active and taking data. The cold plate 1 and 2 temperatures are 144.7 and 143.1.

Currently the Cryocooler power is ~87.2 W and the acceleration is at ~14mg

Data Gaps

No gaps this week.

Detector issues

On November 30, detector 9 the front fast threshold was changed from 0x30 to 0x40.

2016-335-20:51:41 /IDPUTABLE9 OFFSET=FRONTFASTDAC 2016-335-20:51:49 /IDPULOAD VALUE=0x40 ; was 0x30

Other notes

Spacecraft Management

The decimation table was changed from Normal/Vigorous to VeryQuiet/Vigorous on November 30.

2016-335-20:49:23 start idpu_dec_50_normal_vigorous

Decimation Normal/Vigorous
HLAT Decimation Decimating
Night time data (fronts) full-time
Night time data (rears) full-time
Require extra passes? No
Requirement for moving pointer? No
Attenuator operation Working as expected
Detector problems? See notes above.
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