Tohban Report 2017-05-24

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Tohban Reports
Start Date: 17 May 2017
End Date: 24 May 2017
Tohban: Juan Carlos Martinez Oliveros
Tohban email:
Next Tohban: Martin Fivian
List all reports


Solar Activity

Solar activity during was very low this week and currently is at low levels. Currently there are four active regions on disk. Solar activity is expected to be very low, with a slight chance for C-class flares, throughout the forecast period (24-26 May).

TIME RANGE:17-May-17 00:00:00.000 -- 24-May-17 00:00:00.000 Flares above B, C, M, X class were 4 0 0 0

How many GOES flares occurred?

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

RHESSI flare list contains 0 over the time range 17-May-17 24-May-17

No overlapping RHESSI flares to count, sorry

Memory Management

The SSR reached a maximum of ~53 percent during the week. Currently is about ~30 percent.

Spacecraft Status

Detectors 1, 3, 6 and 8 are active and taking data. The cold plate 1 and 2 temperatures are ~155.6K and 154.0K.

Decrease the attenuator threshold to 12.5% deadtime.

Currently the Cryocooler power is ~74.9 W and the acceleration is at ~11mg

Data Gaps

No VC3 data gaps this week.

Detector issues

Detector 6 show high fast front counts during the week, however in the last days it auto-correct itself.

Other notes

PMTRAS saturation due to the lost of WLP passes, leading to about 2 hours of data lost.

Spacecraft Management

A spin up was made on 23 May 2017 (2017/143 16:04 and 20:51 UTC)

Decimation Normal/Vigorous
HLAT Decimation Rear decimation
Night time data (fronts) plus/minus 4 minutes from daylight
Night time data (rears) plus/minus 4 minutes from daylight
Require extra passes? No
Requirement for moving pointer? No
Attenuator operation logic enabled
Detector problems? See notes above.
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