Tohban Report 2011-12-21
From RHESSI Wiki
| Tohban Reports | |
|---|---|
| Start Date: | 14 Dec 2011 |
| End Date: | 21 Dec 2011 |
| Tohban: | Jim McTiernan |
| Tohban email: | jimm@ssl.berkeley.edu |
| Next Tohban: | TBD |
| List all reports | |
Contents |
Solar Activity
Some activity, many c flares, and a relatively high (close to C) GOES background, so things may be picking up.
How many GOES flares occurred?
Flares above B, C, M, X class were 12 24 0 0
And how many of these are listed in the RHESSI flare list?
Flares above B, C, M, X class were 7 16 0 0
And how many had EXCELLENT coverage?
Flares above B, C, M, X class were 6 13 0 0
There were RHESSI flares/GOES flares 163 / 36 over the time range 13-Dec-11 20-Dec-11
RHESSI Operations
Decimation was normal/vigorous for the full week.
Data Gaps
Noisy vc1 data from ~1840 to ~1910 on 2011-12-20, two short vc3 gaps also on the 20th: 2011-12-20T14:10:00.000 -- 2011-12-20T16:45:00.000 2011-12-20T19:00:00.000 -- 2011-12-20T19:25:00.000
NOISE
Some D8 noise on 2011-12-15 09:30 to 13:00, also 2011-12-16 08:00 to 09:00, 2011-12-20 05:00 to 06:00. Some smaller spikes for D5 and 6.
Anomaly
Unusual activity in cryocooler on 2011-12-15, 2011-12-16.
It is not clear what happened; speculation is centering on a possible failed capacitor. A slight rise in cooler efficiency has been noted, returning it back to pre-2011 level.
