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SPHERE trending system: HISTORY report
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Last update: 2020-04-12T21:47:28 (UT)
same group: med_master ron NumHotPix persistence persist/temp   Background NormPersist
close window history: 2015 2016 2017 2018 2019   2020   2021   2022 2023 2024   HEALTH FULL
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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 none   ADU/sec VAL3,16 11 qc_backrate this | last_yr | all DIT=2, Nondest, INS4.OPI13.NAME=DIC_H (H-band in IRDIS)
2 QC1DB none   ADU/sec VAL3,16 11 qc_backrate this | last_yr | all DIT=8, Nondest, INS4.OPI13.NAME=DIC_H (H-band in IRDIS)
3 QC1DB none   ADU/sec VAL3,16 11 qc_backrate this | last_yr | all DIT=30, Nondest, INS4.OPI13.NAME=DIC_H (H-band in IRDIS)
4 QC1DB none   ADU/sec none  174 qc_backrate this | last_yr | all  
4 QC1DB none   ADU/sec none  264 qc_backrate this | last_yr | all  
5 QC1DB none   ADU/sec VAL3,16 12 qc_backrate this | last_yr | all DIT=2, Nondest, INS4.OPI13.NAME=DIC_K (H-band in IFS)
6 QC1DB none   ADU/sec VAL3,16 12 qc_backrate this | last_yr | all DIT=8, Nondest, INS4.OPI13.NAME=DIC_K (H-band in IFS)
7 QC1DB none   ADU/sec VAL3,16 12 qc_backrate this | last_yr | all DIT=30, Nondest, INS4.OPI13.NAME=DIC_K (H-band in IFS)
8 QC1DB none   ADU/sec none  174 qc_median this | last_yr | all DIT=any, Nondest, INS4.OPI13.NAME=DIC_H (H-band in IRDIS)
8 QC1DB none   ADU/sec none  264 qc_median this | last_yr | all DIT=any, Nondest, INS4.OPI13.NAME=DIC_K (H-band in IFS)
*Data sources: QC1DB: QC1 database; LOCAL: local data source
Plot 1
data source:sphere_ifs_background
(QC1 database)
dataset:qc_backrate
average:none
fixed thresholds:3...16ADU/sec
N_data plotted:11
[click plot for closeup]
Plot 2
data source:sphere_ifs_background
(QC1 database)
dataset:qc_backrate
average:none
fixed thresholds:3...16ADU/sec
N_data plotted:11
[click plot for closeup]
Plot 3
data source:sphere_ifs_background
(QC1 database)
dataset:qc_backrate
average:none
fixed thresholds:3...16ADU/sec
N_data plotted:11
[click plot for closeup]
Plot 4
data source:sphere_ifs_background
(QC1 database)
dataset:
(numbers below apply to this dataset)
qc_backrate
average:none
thresholds:none
N_data plotted:174
[click plot for closeup]
Plot 5
data source:sphere_ifs_background
(QC1 database)
dataset:qc_backrate
average:none
fixed thresholds:3...16ADU/sec
N_data plotted:12
[click plot for closeup]
Plot 6
data source:sphere_ifs_background
(QC1 database)
dataset:qc_backrate
average:none
fixed thresholds:3...16ADU/sec
N_data plotted:12
[click plot for closeup]
Plot 7
data source:sphere_ifs_background
(QC1 database)
dataset:qc_backrate
average:none
fixed thresholds:3...16ADU/sec
N_data plotted:12
[click plot for closeup]
Plot 8
data source:sphere_ifs_background
(QC1 database)
dataset:
(numbers below apply to this dataset)
qc_median
average:none
thresholds:none
N_data plotted:174
[click plot for closeup]
This plot

The background frames consist of the dominating detector dark current (monitored by the IFS dark level plot) and a small component originating from the instrument. The reported QC parameters cover the instrumental background radiation plus the dark level of the detector. The background has a minor dependenece on the CPI dichroic which can be INS4.OPTI13.NAME=DIC_H or DIC_K and a major dependence on the IFS bench temperature.  


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