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NACO trending system: HISTORY plot |
Last update: 2010-04-15T00:05:42 (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 |
[7] | QC1DB |
none |
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VAL | 22.5,23.6 |
39 |
zpoint |
this |
last_yr |
all
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Ks zeropoints for all cameras/dichroics |
1 |
| QC1DB |
MEAN |
23.1453 |
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VAL | 22.5,23.6 |
19 |
zpoint |
this |
last_yr |
all
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Ks zeropoints for S27 camera and VIS dichroic |
2 |
[7] | QC1DB |
none |
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VAL | 23.8,24.5 |
33 |
zpoint |
this |
last_yr |
all
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H zeropoints for all cameras/dichroics |
2 |
| QC1DB |
MEAN |
24.0712 |
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VAL | 23.8,24.5 |
15 |
zpoint |
this |
last_yr |
all
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H zeropoints for S27 camera and VIS dichroic |
3 |
[7] | QC1DB |
none |
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VAL | 23.9,24.7 |
32 |
zpoint |
this |
last_yr |
all
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J zeropoints for all cameras/dichroics |
3 |
| QC1DB |
MEAN |
24.23205 |
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VAL | 23.9,24.7 |
15 |
zpoint |
this |
last_yr |
all
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J zeropoints for S27 camera and VIS dichroic |
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*Data sources: QC1DB: QC1 database; LOCAL: local text file
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This plot
Photometric Zeropoints (not corrected for extinction) are shown for
three broad band filters Ks, H and J. They were estimated from the
standard star observations taken in all cameras and dichroics.
General information
Click on any of the plots to see a close-up version.
The latest date is indicated on top of the plot, data points belonging to that date are specially marked.
If configured,
- 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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