Tohban Report 2015-08-12

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Detector 9F livetime is currently at about 45%. The fast threshold could be in creased until a significant increase in livetime can be recorded.
Detector 9F livetime is currently at about 45%. The fast threshold could be in creased until a significant increase in livetime can be recorded.
-
Detector 4 and 6 shows elevated front slow and reset rates, but relatively low front fast rates.
+
Detector 4F and 6F shows elevated front slow and reset rates, but relatively low front fast rates.
We decided to raise 4F slow threshold from 0x70 to 0x80.
We decided to raise 4F slow threshold from 0x70 to 0x80.

Revision as of 18:37, 12 August 2015


Tohban Reports
Start Date: 5 Aug 2015
End Date: 12 Aug 2015
Tohban: Martin Fivian
Tohban email: mfivian@ssl.berkeley.edu
Next Tohban: Martin Fivian
List all reports



Contents

Solar Activity

Solar activity was very low this week with a GOES base level to be at about B3. There are currently 4 ARs on the disk. AR12396 shows some magnetic complexity but it will rotate off the disk in a couple of days.


How many GOES flares occurred?

 Flares above B, C, M, X class were     19     20     0     0

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

 Flares above B, C, M, X class were     12     13     0     0

And how many had EXCELLENT coverage?

 Flares above B, C, M, X class were      5     3     0     0

There were RHESSI flares/GOES flares 183 / 39 over the time range 05-Aug-15 12-Aug-15


Memory Management

The SSR fill levels where between about 0 and 30%.

Spacecraft Status

The cold plate 1 and 2 are at about 130 K and 129 K respectively.

Data Gaps

APP_ID =1

2015-08-10T04:15:00.000 -- 2015-08-10T04:30:00.000 900.00000

2015-08-07T05:25:00.000 -- 2015-08-07T05:35:00.000 600.00000

GAPP_ID =154 (PMTRAS)

2015-08-10T04:15:00.000 -- 2015-08-10T04:25:00.000 600.00000

2015-08-07T05:25:00.000 -- 2015-08-07T05:35:00.000 600.00000

APP_ID =102 (monitor rates)

2015-08-11T00:35:00.000 -- 2015-08-11T00:40:00.000 300.00000

2015-08-11T18:50:00.000 -- 2015-08-11T21:00:00.000 7800.0000

2015-08-11T23:30:00.000 -- 2015-08-12T00:00:00.000 1800.0000

Detector issues

No commanding has been performed this week. Detector performance appeared to be stable this week.

Three topics have been identified to possibly take action on:

Detector 9F livetime is currently at about 45%. The fast threshold could be in creased until a significant increase in livetime can be recorded.

Detector 4F and 6F shows elevated front slow and reset rates, but relatively low front fast rates.

We decided to raise 4F slow threshold from 0x70 to 0x80.

Other notes

- Spinrate anomaly

- Att.3 threshold change not adjusted yet.

Spacecraft Management

Decimation Normal/Vigorous
Night time data (fronts) +- 4 minutes
Night time data (rears) +- 4 minutes
Require extra passes? No
Requirement for moving pointer? No
Attenuator operation Normal
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