Detector 2
From RHESSI Wiki
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* 2014-Aug-21 Due to noise in D2, the HV was lowered by 20 counts to 4117V at 2014-233-20:41:14 UT. This was successfully in quieting the noise. | * 2014-Aug-21 Due to noise in D2, the HV was lowered by 20 counts to 4117V at 2014-233-20:41:14 UT. This was successfully in quieting the noise. | ||
- | * | + | * 2014-Aug-26: D2 is suffering a lot from the known light leak problem. This does not affect the quality of the data but greatly reduces livetime at times when light leaks in through the cryostat port. To alleviate this problem, the G2 front fast threshold was raised from 0x30 to 0x38 at 2014-238-19:22:56 UTC. |
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+ | G3 rear fast was rasied from 0x45 to 0x50 | ||
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+ | * Late August / early September. | ||
===D2 front slow LLD threshold history=== | ===D2 front slow LLD threshold history=== |
Revision as of 22:52, 4 September 2014
UPDATE IN PROGRESS
This page contains information about changes/issues for RHESSI detector 2 after the 2014 anneal. Detector updates from 2012-mid 2014 can be found here: Detector 2 anneal 2012
Contents |
Notes
Detector 2 is UNSEGMENTED (no surprise there) following the 2014 anneal.
- 2014-Aug-21 Due to noise in D2, the HV was lowered by 20 counts to 4117V at 2014-233-20:41:14 UT. This was successfully in quieting the noise.
- 2014-Aug-26: D2 is suffering a lot from the known light leak problem. This does not affect the quality of the data but greatly reduces livetime at times when light leaks in through the cryostat port. To alleviate this problem, the G2 front fast threshold was raised from 0x30 to 0x38 at 2014-238-19:22:56 UTC.
G3 rear fast was rasied from 0x45 to 0x50
- Late August / early September.
D2 front slow LLD threshold history
post 2014 anneal | 0x |
D2 front fast LLD threshold history
post 2014 anneal | 0x |
GAP IN THRESHOLD VALUES - ADD IN LATER | |
2014-08-29 18:33:28 UTC | 0x40 |
D2 rear slow LLD threshold history
post 2014 anneal | 0x |
D2 rear fast LLD threshold history
post 2014 anneal | 0x |
D2 HV history
post 2014 anneal | 4510 V |