Tohban Report 2015-01-28

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Tohban Reports
Start Date: 21 Jan 2015
End Date: 28 Jan 2015
Tohban: Lindsay Glesener
Tohban email:
Next Tohban: Nicole Duncan
List all reports


Solar Activity

Solar activity is moderate to high and is picking up. There are 9 active regions on the disk, with 2-3 of them flaring. Many of these are coming from AR 12268 at disk center, including an M class flare. There is also a prolific AR rotating onto the disk; this AR produced many flares on its last turn on the merry-go-round and is already showing activity this time around.

How many GOES flares occurred?

 Flares above B, C, M, X class were     11    37     2     0

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

 Flares above B, C, M, X class were      5    25     1     0

And how many had EXCELLENT coverage?

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

There were RHESSI flares/GOES flares 277 / 50 over the time range 21-Jan-15 28-Jan-15

Memory Management

We've recently switched to Active / Vigorous decimation, at 2015-028-18:06 UT this morning. Due to increased activity in the past ~day, the SSR is no longer emptying, and was at 35% this morning (before the pass set).

Spacecraft Status

Data Gaps

No gaps this week as of Jan 27 (Tuesday).


Detector issues

 15-021-23:33:58 /idpudumptabl table=dibtbl9
 15-021-23:34:03 /idputable9 offset=rearfastdac
 15-021-23:34:34 /idpuload value=0x58
 15-021-23:36:47 /idputable9 offset=rearfastdac
 15-021-23:36:55 /idpuload value=0x60
 15-026-21:57:13 UTC / D6 front slow threshold to 0x30 (was 0x0C).
 15-027-21:36:37 UTC /  D6 front slow threshold to 0x0C (was 0x30).

Other notes

Spacecraft Management

A spin-up was performed on Monday, Jan 26 from about 14.5 RPM to 14.97 between 20:29 and 22:06 UTC. There were no anomalies.

Decimation Active / Vigorous
Night time data (fronts) On
Night time data (rears) On
Require extra passes? No
Requirement for moving pointer? No
Attenuator operation Normal
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