Tohban Report 2014-11-12

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Tohban Reports
Start Date: 05 Nov 2014
End Date: 12 Nov 2014
Tohban: Juan Carlos Martínez Oliveros
Tohban email:
Next Tohban: Hazel Bain
List all reports


Solar Activity

Solar activity was moderate this week with 9 M class flares and 1 X class flare. Currently there are 5 active regions on disk. Active region 12205, which hosted the X and M class flares is still on disk, but showing signs of decay. Farside monitors and high loops observations show that the active region 12192 is close to rotate onto the disk in the next days.

How many GOES flares occurred?

 Flares above B, C, M, X class were      0    46     9     1

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

 Flares above B, C, M, X class were      0    23     1     0

And how many had EXCELLENT coverage?

 Flares above B, C, M, X class were      0     9     1     0

There were RHESSI flares/GOES flares 234 / 56 over the time range 05-Nov-14 12-Nov-14

Memory Management

The SSR was emptying by the end of the daily pass set during most of the week.


As the last pass the colt tip temperatures are 106.6 K and 104.2 K. The cold plate temperatures are 127.1 and 125.6 K.

Spacecraft Operations

The spacecraft is operating nominally. The attenuators are working correctly.

On 2014/310 12:24 UTC RHESSI started taking rear segment event data during eclipse.

On November 10 between 16:45 and 20:30 UTC, RHESSI was spun up to 15 RPM. There were no anomalies during the spin up.

Data Gaps

No significant data gaps this week.

Detector issues

Detector 2 continue showing light leek issues.

There were no threshold changes this week.

Other notes

Decimation Active/Vigorous
HLAT Decimation Rear decimation weight 6, no front decimation
Night time data (fronts) +/-4 minutes
Night time data (rears) full nighttime events
Require extra passes? No
Requirement for moving pointer? No
Attenuator operation Nominal
Detector problems? Detector 2 light leak.
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