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FORS1 trending system: HISTORY plot |
Last update: 2009-02-20T15:10:05 (UT)
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Plot ? |
Symb ? |
Source * |
Average ? |
Thresholds ? |
N_ data |
QC1 parameter |
Data downloads |
Remarks |
method |
value |
unit |
method |
value |
1 |
| QC1DB |
none |
|
mag |
none | |
20 |
zeropoint |
this |
last_yr |
all
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Night zeropoint from e-/sec (more than 1 star; Garching) |
1 |
◊ | QC1DB |
none |
|
mag |
none | |
0 |
zeropoint |
this |
last_yr |
all
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Night zeropoint from e-/sec (1 star only; Garching) |
1 |
| QC1DB |
MEDIAN |
28.176 |
mag |
OFF | ± 0.07 |
6 |
zeropoint |
this |
last_yr |
all
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Night zeropoint from e-/sec (photometric nights only; Garching) |
2 |
| QC1DB |
MEDIAN |
0.013 |
mag |
VAL | 0,0.07 |
20 |
sigma_zeropoint |
this |
last_yr |
all
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error of night zeropoint from e-/sec (Garching) |
3 |
| QC1DB |
none |
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mag |
none | |
21 |
zeropoint |
this |
last_yr |
all
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Night zeropoint from e-/sec (more than 1 star; Garching) |
3 |
◊ | QC1DB |
none |
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mag |
none | |
1 |
zeropoint |
this |
last_yr |
all
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Night zeropoint from e-/sec (1 star only; Garching) |
3 |
| QC1DB |
MEDIAN |
28.116 |
mag |
OFF | ± 0.07 |
4 |
zeropoint |
this |
last_yr |
all
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Night zeropoint from e-/sec (photometric nights only; Garching) |
4 |
| QC1DB |
MEDIAN |
0.009 |
mag |
VAL | 0,0.07 |
22 |
sigma_zeropoint |
this |
last_yr |
all
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error of night zeropoint from e-/sec (Garching) |
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*Data sources: QC1DB: QC1 database; LOCAL: local text file
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This plot
Trending is done only for the SR collimator. Photometric nights are
selected from the Absorption Monitor. Zeropoints are per night for
flux in e-/sec, not in ADU. Do not use
these zeropoints for science data. They are reduced
assuming a standard extinction value, which may not be correct for an
individual night!
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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