Tohban Report 2017-10-18: Difference between revisions

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The Sun was very active produced a string X-flares this week!!
The Sun was very active produced a string X-flares this week!!


How many GOES flares occurred?
HSI_TOHBAN_FLARE_COUNTER: No RHESSI Flares for this time period
  Flares above B, C, M, X class were      0    55    27    4
And how many of these are listed in the RHESSI flare list?
  Flares above B, C, M, X class were      0    25    17    3
And how many had EXCELLENT coverage?
  Flares above B, C, M, X class were      0    13    8    1
There were RHESSI flares/GOES flares        214 /          86
over the time range 04-Sep-17 11-Sep-17


1) X2.2 around 20170906T09:00. GOES 15 data seems to be missing for part of that one, but we have good RHESSI coverage of the impulsive phase.
Below A5 the whole week, except today: a whopping B2 flare!
2) X9.3 around 20170906T12:00, three hours later. Missed all of the impulsive phase due to SAA.
3) X1.3 around 20170907T14:35 (missed most of it due to SAA)
4) M8.3 around 20170908T07:48 (missed the impulsive phase due to SAA)
5) ~X9 around 20170910T16:30, where we missed the first half of the impulsive phase.
 
Several other <M5.0 flares also.
 
With the AR responsible for most of the activity disappearing over the limb, solar ctivity has severely decreased in the past few days, and is currently below B-level.


   
   
== Memory Management ==
== Memory Management ==


The SSR reached a maximum of ~82% (!) and a minimum of ~65% during the  week.
Ending at ~25% at end of pass set.
 
We deleted the following time intervals (by moving the read pointer):
2017/09/04 07:00 - 2017/09/04 15:15 UTC
2017/09/05 05:31 - 2017/09/06 05:50 UTC


== Spacecraft Status ==


== Spacecraft Status ==
Detectors 1, 3, 6 and 8 are active and taking data.
Detectors 1, 3, 6 and 8 are active and taking data.
The cold plate 1 and 2  temperatures are XXX K and XXX K.
Currently the Cryocooler power is ~75.3 W and the acceleration is at ~11mg


== Data Gaps ==
== Data Gaps ==
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== Detector issues =
== Detector issues =


D6f has a very low livetime (<10%). Time to decrease HV again?


== Other notes ==
A spin up was done. 2017-251-18:48 to 2017-251-19:14 UTC.


== Spacecraft Management ==
== Spacecraft Management ==

Revision as of 17:17, 18 October 2017


Tohban Reports
Start Date: 11 Oct 2017
End Date: 18 Oct 2017
Tohban: Pascal Saint-Hilaire
Tohban email: pascal@ssl.berkeley.edu
Next Tohban: TBD
List all reports



Solar Activity

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!


Memory Management

Ending at ~25% at end of pass set.

Spacecraft Status

Detectors 1, 3, 6 and 8 are active and taking data.

Data Gaps

No apparent data gaps so far, but with the SSR full, we are lagging far behind.

= Detector issues

D6f has a very low livetime (<10%). Time to decrease HV again?


Spacecraft Management

Decimation Active/Vigorous
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.
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