Tohban Report 2015-01-21

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Tohban Reports
Start Date: 14 Jan 2015
End Date: 21 Jan 2015
Tohban: Hazel Bain
Tohban email: hbain@ssl.berkeley.edu
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Contents

Solar Activity

Solar activity this week was moderate to low. The week began in the midst of a Major Flare Watch as NOAA 12257 produced a number of C class flares and an M class flare before rotating over the disk. The remainder of the week was pretty quiet with only a few low C class flares. There are currently 7 active regions on disk and solar activity is low.


How many GOES flares occurred?

 Flares above B, C, M, X class were      2    19     1     0

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

 Flares above B, C, M, X class were      2    15     1     0

And how many had EXCELLENT coverage?

 Flares above B, C, M, X class were      2     5     0     0

There were RHESSI flares/GOES flares 157 / 22 over the time range 14-Jan-15 21-Jan-15


Memory Management

At the start of the week the SSR was high with a max of XXX due to the increase in solar activity. When solar activity dropped and the SSR began to empty at the end of the daily pass set, the decimation state was returned to normal/vigorous (2015-020-20:43:36). Front nighttime events are scheduled to be turned on tomorrow.

Spacecraft Status

Data Gaps

There were a number of 300 to 600 second gaps throughout the week.

Temperatures

The cold plate temperatures have remained steady with no sudden increases. Cold plate 1 currently reads 131.2K and cold plate 2 reads 130.0K


Detector issues

The rear fast counts on detector 9 are elevated and the threshold should be increased. This will be explored by the new tohban during a pass later today.

Other notes

Spacecraft Management

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