Tohban Report 2017-10-18
From RHESSI Wiki
|Start Date:||11 Oct 2017|
|End Date:||18 Oct 2017|
|List all reports|
The Sun was very active produced a string X-flares this week!!
HSI_TOHBAN_FLARE_COUNTER: No RHESSI Flares for this time period
Below A5 the whole week, except today: a whopping B2 flare!
Ending at ~25% at end of pass set.
Detectors 1, 3, 6 and 8 are active and taking data.
On Oct 16th, the thin attenuator came out. Background flux threshold (D3) for attenuator actuation has been increase 5%, and the attenuator came out. Perhaps a little more is needed, for margin?
Shadow lengths have reached peak of 35 mins. Should stay there for a couple of weeks.
No data gaps of import between Oct 9 and Oct 16th included.
= Detector issues
D6f has a very low livetime (<10%). But it might be one of those temporary (few days) dip. Let's keep observing, to see if it gets back up.
|HLAT Decimation||Rear decimation|
|Night time data (fronts)||plus/minus 4 minutes from daylight|
|Night time data (rears)||plus/minus 4 minutes from daylight|
|Require extra passes?||No|
|Requirement for moving pointer?||No|
|Attenuator operation||logic enabled|
|Detector problems?||See notes above.|