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ERIS trending system: HEALTH CHECK report
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Last update: 2026-04-17T12:35:14 (UT)
  | now: 2026-04-17T13:57:02 (UT) muc04 QC pipeline: eris-1.8.14 (installed 2025-11-14)
same group: SLOW_dit_1.9 5 60 300 FAST_dit_0.033 0.1 0.15 0.5 2 5   dark_vs_dit
General news: NOTE: The Health Check and calChecker services have been moved to qcFlow. These pages are only maintained for comparison and will be removed in 2026.
ERIS news:  
Report news:
DATE*: [?] 2026-04-10
report | NLT
2026-04-11
report | NLT
2026-04-12
report | NLT
2026-04-13
report | NLT
2026-04-14
report | NLT
2026-04-15
report | NLT
2026-04-16
report | NLT
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*Date on this monitor changes at 21:00 UT
png: Information and research:
- png file - advanced studies: QC1 browser | QC1 plotter
Plot
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Symb
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Source
*
Average ? Thresholds ? N_
data
QC1
parameter
Data
downloads
Remarks
method value unit method value
1 QC1DB MEDIAN 0.311 ADU VAL-2.22,3.34 26 qc_dark_mean this | last_yr | all Clean mean of master dark level
2 QC1DB MEDIAN 2.84 ADU VAL2.1,3.8 26 qc_dark_rms this | last_yr | all Clean standard deviation of master dark
3 QC1DB MEDIAN 1.35e+05 number VAL126000,141200 26 qc_dark_nhotpix this | last_yr | all number of bad pixels
4 QC1DB MEDIAN 0.0323 number VAL0.03003,0.03367 26 qc_dark_bpixfrac this | last_yr | all fration of bad pixels
5 QC1DB MEDIAN 3.35 ADU VAL2.862,3.851 26 qc_dark_readnoise_adu this | last_yr | all detector read out noise (ADU)
*Data sources: QC1DB: QC1 database; LOCAL: local data source
Plot 1
scores: 6|
data source:eris_nix_dark
(QC1 database)
dataset:qc_dark_mean
median:0.311ADU
fixed thresholds:-2.22...3.34ADU
N_data plotted:26
[click plot for closeup]
Plot 2
scores: 6|
data source:eris_nix_dark
(QC1 database)
dataset:qc_dark_rms
median:2.84ADU
fixed thresholds:2.1...3.8ADU
N_data plotted:26
[click plot for closeup]
Plot 3
scores: 6|
data source:eris_nix_dark
(QC1 database)
dataset:qc_dark_nhotpix
median:1.35e+05number
fixed thresholds:126000...141200number
N_data plotted:26
[click plot for closeup]
Plot 4
scores: 6|
data source:eris_nix_dark
(QC1 database)
dataset:qc_dark_bpixfrac
median:0.0323number
fixed thresholds:0.03003...0.03367number
N_data plotted:26
[click plot for closeup]
Plot 5
scores: 6|
data source:eris_nix_dark
(QC1 database)
dataset:qc_dark_readnoise_adu
median:3.35ADU
fixed thresholds:2.862...3.851ADU
N_data plotted:26
[click plot for closeup]
This plot

The main qc parameters are plotted for the mostly used DITs  


General information

Click on any of the plots to see a close-up version.

The latest date is indicated on top of the plot.

If configured,

  • data points belonging to the latest date are specially marked
  • statistical averages are indicated by a solid line, and thresholds by broken lines
  • outliers are marked by a red asterisk. They are defined as data points outside the threshold lines
  • "aliens" (= data points outside the plot Y limits) are marked by a red arrow ( or )
  • you can download the data for each parameter set if the 'Data downloads' link shows up