Tohban Report 2014-12-24

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Tohban Reports
Start Date: 17 Dec 2014
End Date: 24 Dec 2014
Tohban: Jim McTiernan
Tohban email:
Next Tohban: Mitsuo Oka
List all reports


Solar Activity

Plenty of activity, 10 Ar's on the disk, but 5 are rotating off. Good observations for M-class flares, but the SXR peak of the X-class flare early on December 20 was missed.

How many GOES flares occurred?

 Flares above B, C, M, X class were      0    48     9     1

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

 Flares above B, C, M, X class were      0    41     8     1

And how many had EXCELLENT coverage?

 Flares above B, C, M, X class were      0    23     5     0

There were RHESSI flares/GOES flares 481 / 58 over the time range 16-Dec-14 23-Dec-14

Memory Management

Decimation was set to active/vigorous on 18-Dec-2014. Both front and rear detectors are off during SC night, except for 4 minutes on either side. Extra WHM passes (2 per day for 4 days) are being used. The SSR level is at 20% with one BGS pass to go.

Spacecraft Status

The cold plates, 1 and 2 were at 124.1 and 122.7 K, on 22-Dec-2014.

Data Gaps

VC1 Gap 21-Dec-2014 14:50 to 15:00 VC3 Gap for 23-Dec-2014 1:30 to 4:00.

Detector issues

Detectors are stable, 2, 4, and 5 are unsegmented.

Other notes


Spacecraft Management

Decimation Active/Vigorous
HLAT Decimation Rear decimation weight 6, no front decimation
Night time data (fronts) +/- 4 minutes
Night time data (rears) +/- 4 minutes
Require extra passes? Yes, for Flare data
Requirement for moving pointer? No
Attenuator operation Normal
Detector problems? See motes above.
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