Tohban Report 2018-04-11

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Tohban Reports
Start Date: 4 Apr 2018
End Date: 11 Apr 2018
Tohban: Mitsuo Oka
Tohban email:
Next Tohban: Jim McTiernan
List all reports


Solar Activity

Solar activity this week was very low. There are not visible active regions on disk. STEREO-A images also indicate that there is no region expected to rotate onto the visible disk.

TIME RANGE:04-Apr-18 00:00:00.000 -- 11-Apr-18 00:00:00.000
% RD_WEEK_FILE: No input file for week 18_14 found in: $DIR_GEN_GEV
% RD_WEEK_FILE: No input file for week 18_15 found in: $DIR_GEN_GEV
No GOES flares for Time Range
% Compiled module: CHECK_EXT_TIME.
% HSI_QLOOK::GETDATA: No filenames found for this time range
% HSI_QLOOK::GETDATA: Maybe you should update your SSW
% HSI_TOHBAN_FLARE_COUNTER: No RHESSI Flare list for this time period
% HSI_TOHBAN_FLARE_COUNTER: No RHESSI Flares for this time period

Memory Management

The SSR reached a maximum of ~94 percent during this week.

Spacecraft Status

Detectors 3 and 8 are active and taking data.

The cold plate 1 and 2 temperatures are ~158K and 157K.

Currently the Cryocooler power is ~55 W and the acceleration is at ~11mg

Data Gaps

Detector issues

Other notes

Data was deleted on April 9 as the SSR fill level was very high. This move brought the SSR fill level down from 94% to around 56% full. We skipped over data recorded from 2018-03-30 to 2018-04-01 ~11:30 UTC.

Spacecraft Management

Regarding the lock less experiment, it was concluded that a spin-down would not make the situation dramatically better. After getting temperature readings, the spin rate should be brought back to 15 RPM. Then, another anneal will be performed.

Decimation Active/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? Yes
Attenuator operation logic enabled
Detector problems? See notes above.
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