Tohban Report 2018-02-14

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(Tohban Report 2018-02-14)
(Solar Activity)
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== Solar Activity ==
== Solar Activity ==
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The Sun was very active produced a string X-flares this week!!
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After a quiescent during the last couple of weeks, the Sun was very active produced a string C-flares this week!!
How many GOES flares occurred?
How many GOES flares occurred?
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over the time range 06-Feb-18 13-Feb-18
over the time range 06-Feb-18 13-Feb-18
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1) C8.1 around 20180207T1347. Really good coverage of the impulsive phase by RHESSI.
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) C4.6 around 20180210T0135.  
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2) C4.6 around 20180210T1321. Missed all of the impulsive phase due to night time.
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) C1.5 around 20180212T0135. RHESSI has good coverage of the impulsive phase.
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3) C1.5 around 20180212T0135. RHESSI has good coverage of the impulsive phase.
   
   
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A handful of other GOES B-class flares took place during last week. The AR responsible for most of the activity of past week is disappearing over the West limb, solar activity has moderately decreased in the past few hours, and is currently below B-level. Solarham shows a 10% of probability of having an M-class flare.
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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.
 
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2) X9.3 around 20170906T12:00, three hours later. Missed all of the impulsive phase due to SAA.
 
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3) X1.3 around 20170907T14:35 (missed most of it due to SAA)
 
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4) M8.3 around 20170908T07:48 (missed the impulsive phase due to SAA)
 
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5) ~X9 around 20170910T16:30, where we missed the first half of the impulsive phase.
 
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Several other <M5.0 flares also.
 
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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.
 
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== Memory Management ==
== Memory Management ==

Revision as of 18:19, 14 February 2018


Tohban Reports
Start Date: 7 Feb 2018
End Date: 14 Feb 2018
Tohban: Milo Buitrago-Casas
Tohban email: milo@ssl.berkeley.edu
Next Tohban: Juan Carlos Martínez-Oliveros
List all reports



Contents

Solar Activity

After a quiescent during the last couple of weeks, the Sun was very active produced a string C-flares this week!!

How many GOES flares occurred?

 Flares above B, C, M, X class were     51     5     0     0

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

 Flares above B, C, M, X class were      7     2     0     0

And how many had EXCELLENT coverage?

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

There were RHESSI flares/GOES flares 13 / 56 over the time range 06-Feb-18 13-Feb-18

1) C8.1 around 20180207T1347. Really good coverage of the impulsive phase by RHESSI.
2) C4.6 around 20180210T1321. Missed all of the impulsive phase due to night time.
3) C1.5 around 20180212T0135. RHESSI has good coverage of the impulsive phase.

A handful of other GOES B-class flares took place during last week. The AR responsible for most of the activity of past week is disappearing over the West limb, solar activity has moderately decreased in the past few hours, and is currently below B-level. Solarham shows a 10% of probability of having an M-class flare.

Memory Management

The SSR reached a maximum of ~82% (!) and a minimum of ~65% during the week.

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

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

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

= Detector issues

Other notes

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

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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