Tohban Report 2013-02-27
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Revision as of 18:58, 27 February 2013
Tohban Reports | |
---|---|
Start Date: | 20 Feb 2013 |
End Date: | 27 Feb 2013 |
Tohban: | Hazel Bain |
Tohban email: | hbain@ssl.berkeley.edu |
Next Tohban: | |
List all reports |
Contents |
Solar Activity
Solar activity was low-moderate this week with only 10 C class flares. There are currently 7 active regions on the disk, although 4 of these will rotate over the limb within the next 36 hours. STEREO B shows a couple of active regions which will rotate onto the disk over the next few days.
How many GOES flares occurred?
Flares above B, C, M, X class were 20 10 0 0
And how many of these are listed in the RHESSI flare list?
Flares above B, C, M, X class were 14 5 0 0
And how many had EXCELLENT coverage?
Flares above B, C, M, X class were 5 3 0 0
There were RHESSI flares/GOES flares 206 / 30 over the time range 20-Feb-13 27-Feb-13
Memory Management
The SSR is emptying at the end of the daily pass set, with a maximum of about 25%.
Spacecraft Status
Data Gaps
There were no data gaps this week.
Detector issues
the front slow threshold on detector 2 was lowered on days 052 and 053 (21st and 22nd February). This morning we lowered the threshold another 16 steps to 0x34, front slow valid counts were rather high, around 1800, at this setting, so we raised it 4 steps to 0x38. Counts came down to a more reasonable 1200 or so and we decided to keep it there over the weekend.
Note we started at 0x50 on day 052.
2013-052-18:00:24 /IDPULOAD VALUE=0x4C 2013-052-18:02:13 /IDPULOAD VALUE=0x48 2013-052-18:06:15 /IDPULOAD VALUE=0x44
2013-053-16:10:30 /IDPULOAD VALUE=0x40 2013-053-16:11:20 /IDPULOAD VALUE=0x3C 2013-053-16:12:52 /IDPULOAD VALUE=0x38 2013-053-17:51:28 /IDPULOAD VALUE=0x34 2013-053-17:52:53 /IDPULOAD VALUE=0x36 2013-053-17:56:19 /IDPULOAD VALUE=0x38
The detector remains unsegmented.
Other notes
A spin up was carried out on the 26th February at
Decimation | Normal/vigorous |
HLAT Decimation | Rear decimation weight 6, no front decimation |
Night time data (fronts) | +/- 4 minutes |
Night time data (rears) | Taking data at nights |
Require extra passes? | No |
Requirement for moving pointer? | No |
Attenuator operation | Normal |
Detector problems? | No |