Tohban Report 2013-09-04

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Tohban Reports
Start Date: 28 Aug 2013
End Date: 04 Sep 2013
Tohban: Juan Carlos Martinez Oliveros
Tohban email:
Next Tohban: Nicole Duncan
List all reports


Solar Activity

Solar activity this week was low. There are currently 4 active regions on the disk, which will rotate over the limb within 2-3 days. STEREO-B shows some of active regions close to the limb.

How many GOES flares occurred?

 Flares above B, C, M, X class were     15     5     0     0

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

 Flares above B, C, M, X class were      9     4     0     0

And how many had EXCELLENT coverage?

 Flares above B, C, M, X class were      3     1     0     0

There were RHESSI flares/GOES flares 114 / 20 over the time range 28-Aug-13 04-Sep-13

Memory Management

The SSR is emptying by the end of the daily pass set reaching a maximum of ~32 percent.

Spacecraft Status

Spacecraft status is nominal. The cold plate 1 and 2 are at 117.2 K and 115.8 K respectively.

Data Gaps

No data gaps this week.

Detector issues

Detector 2 has a spike on 1 September at about 10:26UT. On September 2 at ~07:16 UT, detector 1 spiked. An attenuator change occurred at the same time and was likely to be trigger by the spike.

Other notes

Spacecraft Management

A spin up was perform on August 28. The spin up started at 2013-240-20:25 and we transitioned back to normal mode at 241-01:03 UT.RHESSI was spun up from 14.6 to 15.0 RPM.

Decimation Normal/Vigorous
HLAT Decimation Rear decimation weight 6, no front decimation
Night time data (fronts) Enabled, during entire eclipse
Night time data (rears) Enabled, during entire eclipse
Require extra passes? No?
Requirement for moving pointer? No
Attenuator operation Normal
Detector problems? Increased noise in Detector 7 continues.
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