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SPHERE trending system: HISTORY report |
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Last update: 2019-05-29T15:42:33 (UT)
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*Date on this monitor changes at 21:00 UT |
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Plot ? |
Symb ? |
Source * |
Average ? |
Thresholds ? |
N_ data |
QC1 parameter |
Data downloads |
Remarks |
method |
value |
unit |
method |
value |
1 |
| QC1DB |
MEDIAN |
995.175 |
ADU |
OFF | ± 20 |
26 |
qc_bias |
this |
last_yr |
all
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bias level, read mode = SlowPolarimetry, camera1& |
2 |
| QC1DB |
MEDIAN |
987 |
ADU |
OFF | ± 20 |
27 |
qc_bias |
this |
last_yr |
all
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bias level, read mode = SlowPolarimetry, camera2 |
3 |
| QC1DB |
MEDIAN |
992 |
ADU |
OFF | ± 20 |
36 |
qc_bias |
this |
last_yr |
all
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bias level, read mode = FastPolarimetry, camera1 |
4 |
| QC1DB |
MEDIAN |
999 |
ADU |
OFF | ± 20 |
37 |
qc_bias |
this |
last_yr |
all
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bias level, read mode = FastPolarimetry, camera2 |
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*Data sources: QC1DB: QC1 database; LOCAL: local data source
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Plot 1 | data source: | sphere_zimpol_bias_pol (QC1 database) |
dataset: | qc_bias | |
median: | 995.175 | ADU |
rel. thresholds: | 975.175...1015.175 | ADU |
N_data plotted: | 26 |
[click plot for closeup] |
Plot 2 | data source: | sphere_zimpol_bias_pol (QC1 database) |
dataset: | qc_bias | |
median: | 987 | ADU |
rel. thresholds: | 967.0...1007.0 | ADU |
N_data plotted: | 27 |
[click plot for closeup] |
Plot 3 | data source: | sphere_zimpol_bias_pol (QC1 database) |
dataset: | qc_bias | |
median: | 992 | ADU |
rel. thresholds: | 972.0...1012.0 | ADU |
N_data plotted: | 36 |
[click plot for closeup] |
Plot 4 | data source: | sphere_zimpol_bias_pol (QC1 database) |
dataset: | qc_bias | |
median: | 999 | ADU |
rel. thresholds: | 979.0...1019.0 | ADU |
N_data plotted: | 37 |
[click plot for closeup] |
This plot
This plot shows the ZIMPOL raw frame bias level for readmode
FastPolarimetry and SlowPolarimetry and for both cameras CAM1 and CAM2. The values are retrieved by using
a script. The median of the first plane of the raw frame cube is used.
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
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